WISECO
Shop Wiseco Pistons & Engine Rebuild Kits: Forged Performance Pistons for Motorcycle, ATV & Dirt Bike at JJ Motorsports
Discover premium Wiseco performance pistons and engine components, a legendary USA-based brand founded in the 1940s and recognized worldwide as the leader in forged piston technology for motorcycles, ATVs, dirt bikes, snowmobiles, and powersports. Wiseco's advanced forging process creates ultra-strong, lightweight pistons with Pro-Lite, ArmorGlide coatings, and complete rebuild kits that deliver maximum horsepower, heat resistance, and durability for racing or street use. Trusted by top racers and builders for decades, Wiseco offers piston kits, crankshafts, top-end bearings, and full engine rebuilds engineered for precise fitment and extreme performance in Honda, Kawasaki, KTM, Yamaha, and more.
At JJ Motorsports, we stock the full line of Wiseco forged pistons and engine parts at competitive prices with fast shipping. Rebuild your 2-stroke or 4-stroke engine with the strongest pistons on the market for unbeatable reliability and power. Explore related categories such as motorcycle engines and components for full rebuilds or ATV/UTV engines and components for off-road upgrades.
Top Wiseco Products
- Wiseco Engine Rebuild Kit 52.50 mm Kawasaki KX100 1995-2013 PWR173-100 – Complete top and bottom-end rebuild kit with forged piston, crankshaft assembly, bearings, seals, gaskets, and hour meter for Kawasaki KX100 models.
- Wiseco 94mm Piston Kit with Gaskets Honda TRX450R 2004-2005 PK1068 – Complete 94.00 mm forged piston kit including rings, wrist pins, circlips, and top-end gasket set for Honda TRX450R performance rebuilds.
- Wiseco Top End Bearing 15x19x20 KTM 125 SX 1998-2021 B1013 – High-strength top-end wrist pin bearing with case-hardened construction and high-silicon aluminum alloy for extreme durability in KTM 2-stroke engines.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Wiseco Yamaha YZ125 2001 54mm Piston Kit PK1348
WISECO
$225.95If you're running a 2001 YZ125 and want to maximize power output without sacrificing reliability, a quality piston kit is non-negotiable. The Wiseco PK1348 delivers the precision engineering and...09030288- SKU:
- 09030288
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- DISPLACEMENT:
- 124 CC
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 53.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$225.95 -
Wiseco Piston Kit for Honda CR250R 1992-1996 PK1128
WISECO
$259.95If you're running a CR250R from the early '90s, piston wear directly impacts your engine's ability to hold compression and deliver peak power. The Wiseco PK1128 restores that lost performance through...09030292- SKU:
- 09030292
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 66.40 MM
- PISTON DIAMETER METRIC:
- 66.36 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 72.00 MM
$259.95Qty in Cart: 0Quantity:Price:$259.95Subtotal: -
Wiseco Piston Kit Kawasaki KLF220 Bayou 1988-2002 68mm PK1049
WISECO
$239.95When your Kawasaki Bayou's engine starts losing compression and power, a worn piston kit becomes the critical rebuild component. Wiseco's forged-aluminum construction delivers the strength and...09030325- SKU:
- 09030325
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 215 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 67.95 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.3:1
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 68.00 MM
- STROKE LENGTH METRIC:
- 61.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$239.95 -
Wiseco Piston Yamaha YZF-R1 1998-1999 4312M07000
WISECO
$199.95When you're pushing your YZF-R1 to its limits, stock pistons become a liability. The Wiseco 4312M07000 replaces them with a high-silicon alloy forging that withstands the thermal and mechanical...4312M07000- SKU:
- 4312M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 70.00 MM
- DISPLACEMENT:
- 223.6 CC
- PISTON DIAMETER METRIC:
- 69.95 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 58.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
$199.95 -
Wiseco Piston Yamaha YZ80 1988-1992 50mm 569M05000
WISECO
$174.95Your YZ80's piston is the foundation of reliable power delivery—when it wears, compression drops and performance suffers. Wiseco's high-silicon alloy construction withstands the thermal stress of...4312M07050- SKU:
- 4312M07050
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 70.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 70.45 MM
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- DISPLACEMENT:
- 223.6 CC
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 58.00 MM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Honda CRF450R 2002 431M07000
WISECO
$199.95If you're rebuilding a Honda CRF450R engine or refreshing a high-mileage top end, a quality OEM-equivalent piston is non-negotiable—it's the foundation of reliable horsepower and longevity. The...431M07000- SKU:
- 431M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PISTON DIAMETER METRIC:
- 69.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 248 CC
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 64.40 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston Honda CRF450R 2002-2008 431M07050
WISECO
$221.95If you're running a Honda CRF450R from the 2002-2008 generation, a worn or damaged piston directly impacts combustion efficiency, throttle response, and overall engine reliability. The Wiseco...431M07050- SKU:
- 431M07050
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 64.40 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 248 CC
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 70.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 70.45 MM
- UNITS:
- KIT
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
Wiseco Piston Kit 71mm Oversize for Honda CR250R 1978-1980 431M07100
WISECO
$221.95If you're running a Honda CR250R with high mileage or planning a performance build, a quality piston kit is essential to restore compression and unlock the engine's full potential. Wiseco's forged...431M07100- SKU:
- 431M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- DISPLACEMENT:
- 248 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 70.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 64.40 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 71.00 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$221.95 -
Wiseco Piston Kit 72mm Oversize for Honda CR250R 1978-1980 431M07200
WISECO
$232.95If you're rebuilding a CR250R or ATC250R engine, piston quality directly impacts reliability and power delivery. Wiseco's high-silicon aluminum construction handles the extreme combustion pressures...431M07200- SKU:
- 431M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- DISPLACEMENT:
- 248 CC
- PISTON DIAMETER METRIC:
- 71.95 MM
- SKIRT COATING:
- NON-COATED
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 72.00 MM
- STROKE LENGTH METRIC:
- 64.40 MM
- BORE - OVERSIZE:
- +2,00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
$232.95Qty in Cart: 0Quantity:Price:$232.95Subtotal: -
Wiseco 72.00mm Piston Kit for Kawasaki 750 H2 1972-1975 423M07200
WISECO
$184.95Factory pistons can't handle the demands of high-performance 2-cycle racing—they expand unpredictably under heat and fatigue quickly under sustained load. The Wiseco 423M07200 solves this with...423M07200- SKU:
- 423M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 770 CC
- RIDING STYLE:
- STREET
$184.95 -
Wiseco 85mm Piston Kit for 1983-1984 Honda XR350R 4286M08500
WISECO
$184.95If you're running a 1983-1984 Honda XR350R, piston wear directly impacts power delivery, fuel efficiency, and engine reliability. The Wiseco 85mm Piston Kit restores lost performance and allows you...4286M08500- SKU:
- 4286M08500
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- DISPLACEMENT:
- 339 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 61.30 MM
- BORE SIZE METRIC:
- 85.00 MM
- ENGINE TYPE:
- 4-STROKE
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON DIAMETER METRIC:
- 84.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
$184.95 -
Wiseco Piston Honda CB500F 2013-2025 4289M06500
WISECO
$188.95Stock pistons wear out—especially in higher-performance builds or extended riding seasons. The Wiseco 4289M06500 replaces worn or damaged pistons with a forged, high-silicon alloy design that handles...4289M06500- SKU:
- 4289M06500
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- DISPLACEMENT:
- 191.8 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 65.00 MM
- PISTON DIAMETER METRIC:
- 64.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 57.80 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
$188.95Qty in Cart: 0Quantity:Price:$188.95Subtotal: -
Wiseco Piston Kit Yamaha YFM200 Moto-4 1987-1988 4292M06700
WISECO
$174.95If you're running a Yamaha YFM200 Moto-4 and want reliable power delivery without sacrificing durability, this Wiseco piston kit is engineered to handle both trail riding and competitive racing. The...4292M06700- SKU:
- 4292M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- DISPLACEMENT:
- 196.3 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 67.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- PISTON DIAMETER METRIC:
- 66.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 55.70 MM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Yamaha YZF-R1 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 0.50mm 4292M06750
WISECO
$174.95The stock piston in your YZF-R1 is designed for everyday riding—not sustained high-RPM performance or racing demands. A Wiseco replacement restores lost compression, reduces detonation risk, and...4292M06750- SKU:
- 4292M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON DIAMETER METRIC:
- 67.45 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 55.70 MM
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 196.3 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Standard Honda FL350R Odyssey 1985 533M08000
WISECO
$255.95If you're running a Honda FL350R Odyssey and demanding reliable power delivery across the entire RPM range, a quality piston is non-negotiable. The Wiseco Standard Piston replaces worn or damaged...533M08000- SKU:
- 533M08000
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 329 CC
- UNITS:
- EACH
- BORE SIZE METRIC:
- 80.00 MM
- DISPLACEMENT:
- 342 CC
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH:
- 72,00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 72.00 MM
$255.95Qty in Cart: 0Quantity:Price:$255.95Subtotal: -
Wiseco Piston Kit 68.50 mm Oversize for Suzuki LT250R QuadRacer 1988-1992 571M06850
WISECO
$223.95If you're running a Suzuki LT250R QuadRacer in competitive or high-demand trail conditions, factory pistons won't cut it—especially at higher RPMs or with tuned builds. The Wiseco 68.50mm oversize...571M06850- SKU:
- 571M06850
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 68.50 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- DISPLACEMENT:
- 246,8 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 70,00 MM
$223.95Qty in Cart: 0Quantity:Price:$223.95Subtotal: -
Wiseco Piston Kit 69.00 mm Oversize for Suzuki LT250R QuadRacer 1988-1992 571M06900
WISECO
$223.95If you're running a Suzuki LT250R QuadRacer and want to unlock real gains in compression ratio and sustained power, a quality piston kit is non-negotiable. The Wiseco 69.00 mm oversize piston...571M06900- SKU:
- 571M06900
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 246,8 CC
- STROKE LENGTH:
- 70,00 MM
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE SIZE METRIC:
- 69.00 MM
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$223.95 -
Wiseco Piston Standard Yamaha Blaster 200 1988-2006 573M06600
WISECO
$155.95Stock pistons won't cut it if you're pushing your Blaster 200 harder than factory specs intended. The Wiseco 573M06600 delivers the durability and compression stability you need to run aggressive...573M06600- SKU:
- 573M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 195 CC
- STROKE LENGTH:
- 57,00 MM
- STROKE LENGTH METRIC:
- 57.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON
$155.95 -
Wiseco Piston +1.00 mm Yamaha Blaster 200 4x2 1988-2006 573M06700
WISECO
$155.95If you're pushing your Blaster 200 to its limits on the track or trail, factory pistons won't cut it. The Wiseco +1.00 mm piston delivers measurable gains in horsepower and compression while...573M06700- SKU:
- 573M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- DISPLACEMENT:
- 195 CC
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 57,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 57.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON
$155.95 -
Wiseco Piston Kit 1.50 mm Oversize for Yamaha Blaster 200 1988-2006 573M06750
WISECO
$166.95If you're serious about extracting maximum performance from your Yamaha Blaster 200, a properly engineered piston kit is non-negotiable. The Wiseco +1.50 mm oversize piston delivers the compression...573M06750- SKU:
- 573M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 195 CC
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 57,00 MM
- STROKE LENGTH METRIC:
- 57.00 MM
$166.95 -
Wiseco Piston Kit Standard 86mm Kawasaki KX 500 1988-2004 575M08600
WISECO
$243.95The Wiseco 86mm piston kit is engineered for the KX500 to deliver measurable gains in throttle response and combustion efficiency. If you're running stock pistons, you're leaving horsepower on the...575M08600- SKU:
- 575M08600
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 86.00 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 86.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 86,00 MM
- DISPLACEMENT:
- 499 CC
$243.95Qty in Cart: 0Quantity:Price:$243.95Subtotal: -
Wiseco Piston Kit 1988-2004 Kawasaki KX 500 575M08650
WISECO
$234.95If you're running a KX500 at the limit—whether on the track or the trail—piston wear and loss of compression will eventually compromise your power. The Wiseco Piston Kit restores full performance...575M08650- SKU:
- 575M08650
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE SIZE METRIC:
- 86.50 MM
- DISPLACEMENT:
- 499 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 86,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 86.00 MM
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
$234.95Qty in Cart: 0Quantity:Price:$234.95Subtotal: -
Wiseco Piston Kit 1988-2004 Kawasaki KX 500 575M08700
WISECO
$234.95If you're rebuilding a KX500 or pushing your machine harder on the track, piston quality directly impacts power delivery, reliability, and how long your engine lasts between rebuilds. The Wiseco...575M08700- SKU:
- 575M08700
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 499 CC
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 86.00 MM
- UNITS:
- EACH
- STROKE LENGTH:
- 86,00 MM
- BORE SIZE METRIC:
- 87.00 MM
- RIDING STYLE:
- OFF-ROAD
$234.95Qty in Cart: 0Quantity:Price:$234.95Subtotal: -
Wiseco Piston Standard Yamaha YTZ250 Tri-Z 1985 515M06800
WISECO
$204.95A worn or damaged piston compromises engine efficiency, throttle response, and overall reliability—especially critical for serious riders pushing their YTZ 250 Tri-Z to its limits. The Wiseco piston...515M06800- SKU:
- 515M06800
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- DISPLACEMENT:
- 246,8 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 68.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 68,00 MM
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 68.00 MM
- PISTON MATERIAL:
- FORGED
$204.95 -
Wiseco Piston Kit Yamaha IT 250 1983 515M06900
WISECO
$223.95A worn or damaged piston directly compromises engine compression, throttle response, and overall reliability—especially critical in a two-stroke where the piston cycles thousands of times per minute...515M06900- SKU:
- 515M06900
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 68.00 MM
- DISPLACEMENT:
- 246,8 CC
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 69.00 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH:
- 68,00 MM
- UNITS:
- EACH
$223.95Qty in Cart: 0Quantity:Price:$223.95Subtotal: -
Wiseco Piston +2.25 mm Yamaha Banshee 350 1987-2006 513M06625
WISECO
$188.95If you're running a Banshee 350 competitively or pushing it hard on the trail, stock pistons won't cut it—they'll limit your power potential and wear out under sustained high RPM. The Wiseco +2.25mm...513M06625- SKU:
- 513M06625
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 66.25 MM
- DISPLACEMENT:
- 372 CC
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE:
- +2,25 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +2.25 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$188.95 -
Wiseco Piston Standard Kawasaki KX 80 1984-1985 514M04800
WISECO
$141.95A piston is the engine's hardest-working component—when it fails, your bike is done. The Wiseco Piston for Kawasaki KX80 (1984-1985) delivers the durability and power output you need to push your...514M04800- SKU:
- 514M04800
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE METRIC:
- 48.00 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH:
- 45,80 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 45.80 MM
$141.95Qty in Cart: 0Quantity:Price:$141.95Subtotal: -
Wiseco Piston Kit for 2003-2006 Kawasaki KFX80 PK1105
WISECO
$197.95A stock piston kit won't cut it if you're pushing your KFX80 toward high-performance riding or competition duty. The Wiseco Piston Kit delivers the durability and thermal stability needed for...09030336- SKU:
- 09030336
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 52.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +2,00 MM
- PISTON DIAMETER METRIC:
- 51.92 MM
- UNITS:
- KIT
- DISPLACEMENT:
- 82 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 42.00 MM
$197.95 -
Wiseco Piston Kit Yamaha Raptor 660R 2001-2005 PK1062
WISECO
$352.02If you're rebuilding the top end of your Raptor 660 or pushing it into racing territory, OEM pistons won't cut it. Wiseco's forged piston kit delivers the strength and thermal stability needed to...09030339- SKU:
- 09030339
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 101.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON DIAMETER METRIC:
- 100.92 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 660 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- STROKE LENGTH METRIC:
- 84.00 MM
- TYPE:
- TOP END
$352.02 -
Wiseco Piston Kit Yamaha YFM600FW Grizzly 4x4 1998-2001 PK1058
WISECO
$315.95A top-end rebuild demands precision-engineered components that can handle sustained high RPM loads without failure. Wiseco's forged piston technology delivers the strength and thermal stability...09030356- SKU:
- 09030356
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- PISTON DIAMETER METRIC:
- 95.92 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 598 CC
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
$315.95 -
Wiseco Piston Kit Yamaha Raptor 660R 2001-2005 PK1060
WISECO
$359.95If you're pushing your Raptor 660 hard—whether on the track or in demanding terrain—a worn or compromised piston kit will limit your power output and risk catastrophic engine failure. The Wiseco...09030357- SKU:
- 09030357
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- DISPLACEMENT:
- 660 CC
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE SIZE METRIC:
- 100.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- BORE - OVERSIZE:
- STANDARD
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 99.92 MM
- STROKE LENGTH METRIC:
- 84.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- SKIRT COATING:
- ARMORGLIDE®
$359.95 -
Wiseco Piston Kit 83mm for 1995-2002 Polaris Xplorer 400 PK1106
WISECO
$258.95When your Polaris Xplorer 400 demands more power and reliability, a quality piston kit isn't optional—it's essential for maintaining engine integrity under high-load conditions. The Wiseco PK1106...09030359- SKU:
- 09030359
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 83.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 400 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON DIAMETER METRIC:
- 82.92 MM
- STROKE LENGTH METRIC:
- 70.00 MM
- TYPE:
- TOP END
$258.95 -
Wiseco Piston Kit 83mm 10.25:1 Compression Yamaha YFM350R Raptor 2004 PK1018
WISECO
$264.95If you're running your YFM350R Raptor hard—whether on the track or in demanding trail conditions—factory pistons won't cut it. Wiseco's forged-aluminum construction delivers the strength and thermal...09030360- SKU:
- 09030360
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- STROKE LENGTH METRIC:
- 64.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 83.00 MM
- DISPLACEMENT:
- 349 CC
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 82.95 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- SKIRT COATING:
- ARMORGLIDE®
$264.95 -
Wiseco Piston Kit for 1994-1999 Polaris Trail Boss 250 PK1084
WISECO
$218.95The Wiseco Piston Kit for your 1994-1999 Polaris Trail Boss 250 is engineered for riders who demand reliability during demanding rides and high-temperature operation. This complete top-end rebuild...09030362- SKU:
- 09030362
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 244 CC
- PISTON DIAMETER METRIC:
- 71.92 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE SIZE METRIC:
- 72.00 MM
- TYPE:
- TOP END
$218.95 -
Wiseco Piston Kit 66.25mm for 1988-2006 Yamaha YFS200 Blaster PK1090
WISECO
$204.95The Wiseco Piston Kit PK1090 is engineered specifically for the Yamaha YFS200 Blaster, delivering the durability and thermal stability required for sustained high-RPM performance. High-silicone...09030363- SKU:
- 09030363
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE METRIC:
- +0.25 MM
- BORE SIZE METRIC:
- 66.25 MM
- PISTON DIAMETER METRIC:
- 66.20 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +0,25 MM
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- DISPLACEMENT:
- 195 CC
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 57.00 MM
- TYPE:
- TOP END
$204.95 -
Wiseco Yamaha YFM660R Raptor 2001-2005 Piston Kit PK1061
WISECO
$352.02When you push your Raptor 660 to its limits, OEM pistons become a liability. The Wiseco PK1061 kit delivers forged-piston durability and thermal stability engineered specifically for high-RPM...09030367- SKU:
- 09030367
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 100.50 MM
- ENGINE TYPE:
- 4-STROKE
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON DIAMETER METRIC:
- 100.42 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 660 CC
- MODEL:
- FORGED SERIES
$352.02 -
Wiseco Piston Kit with Gaskets for Kawasaki KX250 2007-2008 PK1598
WISECO
$307.95If you're rebuilding a KX250F or pushing your engine to its limits, piston quality directly impacts reliability and power output. The Wiseco PK1598 delivers forged aluminum construction that handles...09030932- SKU:
- 09030932
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 76.96 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 53.60 MM
$307.95 -
Wiseco Piston Kit 47mm 10.5:1 Compression for Honda CRF70F 2004-2012 PK1729
WISECO
$182.95If you're running a CRF70F and want measurable gains in power and throttle response, the Wiseco PK1729 piston kit delivers the compression ratio and engineering precision needed to unlock your bike's...09030933- SKU:
- 09030933
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 72 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON DIAMETER METRIC:
- 46.97 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 41.40 MM
- BORE SIZE METRIC:
- 47.00 MM
- MODEL:
- FORGED SERIES
$182.95 -
Wiseco Piston Kit for Kawasaki KX450F 2009-2012 13.5:1 Compression PK1840
WISECO
$339.95If you're running a 2009-2012 Kawasaki KX450F at the edge of its limits, piston failure isn't a question of if—it's when. The Wiseco PK1840 raises your compression ratio to 13.5:1, unlocking...09030935- SKU:
- 09030935
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- TYPE:
- TOP END
- UNITS:
- KIT
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- 95.95 MM
- SKIRT COATING:
- ARMORGLIDE®
$339.95Qty in Cart: 0Quantity:Price:$339.95Subtotal: -
Wiseco Piston Kit Yamaha YZ250F 2008-2011 PK1844
WISECO
$309.95A worn or failing piston directly compromises engine performance, reliability, and your race results. The Wiseco PK1844 restores—and exceeds—OEM specifications with aerospace-grade forged aluminum...09030937- SKU:
- 09030937
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PISTON DIAMETER METRIC:
- 76.95 MM
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
- BORE SIZE METRIC:
- 77.00 MM
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- TOP END
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 53.60 MM
- UNITS:
- KIT
$309.95Qty in Cart: 0Quantity:Price:$309.95Subtotal:
