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 Piston Kit with Gaskets for KTM 105 SX 2010-2011 PK1644
WISECO
$236.95When your 2-stroke top-end is worn, you're losing power, throttle response, and reliability. The Wiseco PK1644 restores your KTM 105 SX to factory performance specs with aerospace-grade components...09030925- SKU:
- 09030925
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 52.00 MM
- UNITS:
- KIT
- DISPLACEMENT:
- 104 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 48.95 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 51.95 MM
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$236.95Qty in Cart: 0Quantity:Price:$236.95Subtotal: -
Wiseco 47mm Piston Kit for KTM 85 SX 2003-2012 PK1639
WISECO
$174.95When your 2-stroke engine demands a fresh top-end, settling for OEM parts leaves performance on the table. The Wiseco PK1639 delivers a complete piston kit engineered from aerospace-grade 4032...09030924- SKU:
- 09030924
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 47.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 85 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 48.95 MM
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 46.95 MM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco KX125 1999-2000 Piston Kit with Gaskets PK1608
WISECO
$230.95If you're running a KX125 two-stroke and want to restore lost compression or build toward more aggressive power outputs, a quality piston kit is non-negotiable. The Wiseco PK1608 gives you everything...09030923- SKU:
- 09030923
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 53.95 MM
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 54.00 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 54.50 MM
$230.95Qty in Cart: 0Quantity:Price:$230.95Subtotal: -
Wiseco Piston Kit for Yamaha YZ250 1999-2001 PK1573
WISECO
$277.95When your YZ250's piston and ring package shows wear, power delivery suffers—and so does your lap times. The Wiseco PK1573 rebuilds your top end with aerospace-grade 4032 aluminum that handles...09030921- SKU:
- 09030921
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- PISTON DIAMETER METRIC:
- 66.36 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
$277.95 -
Wiseco Piston Kit 43mm for Kawasaki KX60 1985-2003 PK1506
WISECO
$172.95A worn or damaged piston directly kills engine performance, response, and reliability—especially in high-revving 2-stroke competition engines. The Wiseco PK1506 is a complete top-end solution...09030920- SKU:
- 09030920
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 60 CC
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- STROKE LENGTH METRIC:
- 41.60 MM
- BORE SIZE METRIC:
- 43.00 MM
- PISTON DIAMETER METRIC:
- 42.94 MM
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$172.95Qty in Cart: 0Quantity:Price:$172.95Subtotal: -
Wiseco 125 SX 2002-2006 Piston Kit with Gaskets PK1512
WISECO
$225.95When you're rebuilding a 125 SX top end or looking to restore your engine to factory specifications, you need a piston kit that combines precision engineering with comprehensive components. Wiseco's...09030699- SKU:
- 09030699
- Availability:
- Ships Same Business Day
- Weight:
- 1.48 LBS
- BORE SIZE METRIC:
- 54.00 MM
- PRODUCT NAME:
- REBUILD KIT
- PISTON DIAMETER METRIC:
- 53.95 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$225.95 -
Wiseco YZ125 2005-2020 Piston Kit with Gaskets PK1392
WISECO
$249.95The YZ125 demands a piston kit engineered for reliability under intense 2-stroke conditions. Wiseco's PK1392 delivers high-silicon forged aluminum construction that withstands extreme combustion...09030682- SKU:
- 09030682
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 58.00 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- +4.00 MM
- COOLING SYSTEM:
- AIR COOLED
- DISPLACEMENT:
- 144 CC
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +4,00 MM
- MODEL:
- RACER'S CHOICE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- EACH
$249.95Qty in Cart: 0Quantity:Price:$249.95Subtotal: -
Wiseco Piston Kit 56mm for Yamaha YZ125X 2020-2022 PK1391
WISECO
$239.95When your YZ125X's top-end reaches the end of its service life, a quality piston kit is the difference between a reliable rebuild and premature failure. The Wiseco PK1391 delivers OEM-equivalent...09030681- SKU:
- 09030681
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- COOLING SYSTEM:
- AIR COOLED
- STROKE LENGTH METRIC:
- 54.50 MM
- DISPLACEMENT:
- 134 CC
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- RACER'S CHOICE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- EACH
$239.95 -
Wiseco Honda TRX350 Rancher 2000-2006 Piston Kit with Gasket PK1443
WISECO
$274.95When your Honda TRX350 Rancher needs a top-end refresh, the Wiseco PK1443 Piston Kit delivers the durability and precision required for reliable, high-performance operation. This complete rebuild...09030634- SKU:
- 09030634
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- BORE SIZE METRIC:
- 79.00 MM
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON DIAMETER METRIC:
- 78.95 MM
- PRODUCT NAME:
- REBUILD KIT
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 325 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- KIT
$274.95Qty in Cart: 0Quantity:Price:$274.95Subtotal: -
Wiseco Piston Kit with Gasket for Yamaha YFM660 Grizzly 2002-2008 PK1435
WISECO
$365.95A top-end rebuild demands precision components that can handle sustained high-RPM operation and temperature extremes. The Wiseco PK1435 piston kit delivers the complete package for Yamaha YFM660...09030625- SKU:
- 09030625
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 99.92 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- DISPLACEMENT:
- 660 CC
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 100.00 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
$365.95 -
Wiseco Piston Kit for Yamaha YFM660R Raptor 2001-2005 100.50mm PK1432
WISECO
$334.95A quality piston kit is the foundation of any reliable engine rebuild—and the Wiseco PK1432 delivers the precision engineering that separates a proper top-end refresh from a costly failure. Built...09030622- SKU:
- 09030622
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- PISTON DIAMETER METRIC:
- 100.42 MM
- SKIRT COATING:
- ARMORGLIDE®
- BORE SIZE METRIC:
- 100.50 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 660 CC
- TYPE:
- TOP END
- UNITS:
- KIT
$334.95 -
Wiseco piston kit 3.508 in. bore 10:1 compression ratio Buell S1 Lightning 1996-1998 K1701
WISECO
$409.95A top-end rebuild demands precision components that won't compromise reliability or performance—and the Wiseco K1701 piston kit delivers exactly that. Built from high-silicon aluminum alloy and...09030149- SKU:
- 09030149
- Availability:
- Ships Same Business Day
- Weight:
- 2.36 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- BORE - OVERSIZE:
- +0,010'
- BORE SIZE IMPERIAL:
- 3.498'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- UNITS:
- EACH
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
$409.95Qty in Cart: 0Quantity:Price:$409.95Subtotal: -
Wiseco Piston Kit Standard Ski-Doo MXZ 440 1999-2003 SK1336
WISECO
$380.95If you're running a Ski-Doo MXZ 440 in serious conditions, a degraded top-end will kill your power and reliability fast. Wiseco's forged piston kit is engineered to handle extreme temperatures and...09030085- SKU:
- 09030085
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- DISPLACEMENT:
- 437 CC
- PISTON DIAMETER METRIC:
- 64.86 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 65.00 MM
- COOLING SYSTEM:
- LIQUID COOLED
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 65.80 MM
- RIDING STYLE:
- SNOW
$380.95Qty in Cart: 0Quantity:Price:$380.95Subtotal: -
Wiseco Piston Kit Standard 77mm 13.5:1 Kawasaki KX250F 2011-2014 40019M07700
WISECO
$224.95When your KX250F's stock piston reaches its limit, a quality replacement isn't optional—it's essential for maintaining power delivery and engine longevity. The Wiseco 40019M07700 delivers the...09102895- SKU:
- 09102895
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 53.60 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 250 CC
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Yamaha IT250 1978-1980 71mm Bore 234M07100
WISECO
$210.95The Wiseco 234M07100 piston kit restores or upgrades your Yamaha IT250's top-end with OEM-quality precision and proven durability. Wiseco's forged aluminum construction handles sustained high-RPM...234M07100- SKU:
- 234M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 71.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 70.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$210.95 -
Wiseco Piston Kit 88.00mm 12.3:1 Compression 2012-2016 KTM 350 EXC-F 40056M08800
WISECO
$255.95If you're running a 2012-2016 KTM 350 EXC-F and want measurable gains in throttle response and peak power, a high-compression piston upgrade is one of the most effective bolt-on modifications...09102897- SKU:
- 09102897
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- STROKE LENGTH METRIC:
- 57.50 MM
- BORE SIZE METRIC:
- 88.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.3:1
- DISPLACEMENT:
- 350 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$255.95 -
Wiseco Piston Kit Yamaha DT100 1974-1983 52mm 235M05200
WISECO
$148.95A worn or damaged piston directly undermines engine compression, throttle response, and reliability—especially critical in 2-stroke engines where combustion efficiency is everything. The Wiseco...235M05200- SKU:
- 235M05200
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- DISPLACEMENT:
- 98 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 51.95 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.60 MM
- BORE SIZE METRIC:
- 52.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$148.95Qty in Cart: 0Quantity:Price:$148.95Subtotal: -
Wiseco Piston Kit Yamaha XT500 1976-1981 4045M08700
WISECO
$239.95If you're running an XT500 and want measurable gains in power delivery and engine reliability, the Wiseco 4045M08700 piston kit is the upgrade that separates committed builders from casual riders. A...09102899- SKU:
- 09102899
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 84.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 499 CC
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 87.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$239.95 -
Wiseco Piston Kit with Gasket for Yamaha YFM660F Grizzly 4x4 2002-2008 PK1437
WISECO
$349.95If you're running a Yamaha YFM660F Grizzly and pushing hard on the track or trail, your stock pistons won't cut it. Wiseco's forged piston kit delivers the strength and thermal stability your engine...09030627- SKU:
- 09030627
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 101.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
- DISPLACEMENT:
- 660 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- UTV
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- PISTON DIAMETER METRIC:
- 100.92 MM
- SKIRT COATING:
- ARMORGLIDE®
$349.95Qty in Cart: 0Quantity:Price:$349.95Subtotal: -
Wiseco Piston Kit Standard Bore 66.40mm for Suzuki RM250 1998 723M06640
WISECO
$199.95The Wiseco 723M06640 Pro-Lite Piston Kit delivers the precision and durability your RM250 needs to handle sustained high-RPM operation without compromise. Built from aerospace-grade aluminum and...723M06640- SKU:
- 723M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston 2.00 mm Oversize Yamaha Banshee 350 1987-2006 795M06600
WISECO
$188.95When you're pushing your Banshee 350 to the limit, stock pistons become your weakness. The Wiseco 2.00 mm oversize piston delivers the strength and precision needed to handle increased boost, higher...795M06600- SKU:
- 795M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 66.35 MM
- DISPLACEMENT:
- 370 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 54,00 MM
$188.95 -
Wiseco Yamaha YZ125 2002-2004 54mm Piston Kit 797M05400
WISECO
$160.95Stock pistons can't handle the demands of aggressive riding—they wear quickly and cost you power when you need it most. The Wiseco 797M05400 Pro-Lite Piston Kit delivers the precision engineering and...797M05400- SKU:
- 797M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
$160.95 -
Wiseco Piston Kit 56mm Oversize for Yamaha YZ 125 2005-2020 797M05600
WISECO
$174.95When you're pushing a YZ125 to the limit, your piston kit needs to match your commitment. The Wiseco 797M05600 Pro-Lite delivers the precision fit and lightweight strength that separates consistent...797M05600- SKU:
- 797M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco 1996-2003 Kawasaki Jet Ski 1100 ZXi 809M08000
WISECO
$149.95The stock piston in your 1996-2003 Kawasaki Jet Ski 1100 ZXi is likely your biggest bottleneck for consistent power delivery and engine longevity. Wiseco's aerospace-grade forged aluminum...809M08000- SKU:
- 809M08000
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- WATERCRAFT
- DISPLACEMENT:
- 743 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 80.00 MM
- DISPLACEMENT:
- 1071 CC
- PRODUCT NAME:
- PISTON
$149.95 -
Wiseco Kawasaki KX250 2002-2004 Crankshaft Kit WPC128A
WISECO
$479.95Your KX250's bottom end is the foundation of reliable power delivery—factory cranks wear out, and a compromised crankshaft kills both performance and engine longevity. The Wiseco WPC128A is a...09210108- SKU:
- 09210108
- Availability:
- Ships Same Business Day
- Weight:
- 12.96 LBS
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$479.95Qty in Cart: 0Quantity:Price:$479.95Subtotal: -
Wiseco Suzuki RM125 2004-2008 Crankshaft Kit WPC135
WISECO
$399.95A worn or compromised crankshaft directly limits your RM125's power delivery and reliability—especially under the demands of competitive riding. The Wiseco WPC135 restores your engine to factory...09210110- SKU:
- 09210110
- Availability:
- Ships Same Business Day
- Weight:
- 9.43 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- KIT
- TYPE:
- BOTTOM END
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$399.95Qty in Cart: 0Quantity:Price:$399.95Subtotal: -
Wiseco Crankshaft Kit for Yamaha WR250F 2003-2013 WPC141
WISECO
$621.95A worn or failing crankshaft compromises engine reliability and performance across the board—power delivery suffers, bearing wear accelerates, and catastrophic failure becomes a real risk. The Wiseco...09210111- SKU:
- 09210111
- Availability:
- Ships Same Business Day
- Weight:
- 10.11 LBS
- STROKE LENGTH METRIC:
- 53.60 MM
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$621.95 -
Wiseco Crankshaft Kit for 2003-2005 Yamaha YZ 450 F WPC139
WISECO
$624.95A crankshaft is the backbone of any high-performance engine rebuild, and the Wiseco WPC139 is engineered for the demands of serious YZ450F riders. This complete bottom-end kit arrives...09210112- SKU:
- 09210112
- Availability:
- Ships Same Business Day
- Weight:
- 11.78 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BOTTOM END
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- MATERIAL:
- STEEL
- STROKE LENGTH METRIC:
- 63.40 MM
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$624.95Qty in Cart: 0Quantity:Price:$624.95Subtotal: -
Wiseco Ring Set 50.50mm Suzuki LT80 1987-2006 Kawasaki KX85 2001-2015 1988CD
WISECO
$52.95Piston ring sets are critical to engine longevity—they seal combustion pressure, manage blowby, and control oil consumption. The Wiseco 1988CD delivers OEM-grade precision at a fraction of...1988CD- SKU:
- 1988CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 50.50 MM
- UNITS:
- SET
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 79,7 CC
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$52.95Qty in Cart: 0Quantity:Price:$52.95Subtotal: -
Wiseco KX100 1995-2013 Ring Set 53mm 2087CD
WISECO
$52.95Piston ring degradation is one of the fastest ways to lose compression, increase blow-by, and watch your engine's power output decline. The Wiseco KX100 Ring Set 2087CD delivers precision-engineered...2087CD- SKU:
- 2087CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- DISPLACEMENT:
- 99 CC
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 53.00 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$52.95 -
Wiseco Ring Set 52mm Kawasaki KFX80 2004-2006 Suzuki LT80 QuadSport 1987-2006 Yamaha RD200 1974-1976 Yamaha RT100 1990-2000 2047CD
WISECO
$52.95Piston rings are critical to engine sealing and compression—worn or improper rings will tank your power output and fuel efficiency. The Wiseco 2047CD ring set delivers precision-engineered...2047CD- SKU:
- 2047CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 52.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- DISPLACEMENT:
- 97 CC
- DISPLACEMENT:
- 98 CC
- RIDING STYLE:
- STREET
- UNITS:
- SET
$52.95 -
Wiseco Piston Ring Set 57.5mm for Yamaha YZ125 1976-1988 2264CS
WISECO
$24.95Your YZ125's combustion chamber relies on precise ring sealing to deliver consistent power and maintain oil control—worn or incorrect rings compromise both. The Wiseco 2264CS ring set is engineered...2264CS- SKU:
- 2264CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 57.50 MM
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
Wiseco Piston Kit for Yamaha YFZ350 Banshee 1987-2006 65.25mm PK145
WISECO
$404.95A worn or damaged top-end severely limits your YFZ350's power delivery and reliability—this Wiseco kit restores full performance with factory-matched components engineered for 2-stroke demands...09030636- SKU:
- 09030636
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- BORE SIZE METRIC:
- 66.25 MM
- DISPLACEMENT:
- 361 CC
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.00 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,25 MM
- BORE - OVERSIZE METRIC:
- +1.25 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 65.17 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- TYPE:
- TOP END
- UNITS:
- KIT
$404.95Qty in Cart: 0Quantity:Price:$404.95Subtotal: -
Wiseco Piston Kit 0.50mm Oversize 10.5:1 Compression Honda XR70R 1997-2003 4880M04750
WISECO
$134.95A worn or stock piston limits your XR70R's potential—restricting power delivery and throttle response when you need it most. The Wiseco 4880M04750 replaces that limitation with a forged-aluminum...09100748- SKU:
- 09100748
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +0.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- DISPLACEMENT:
- 73 CC
- STROKE LENGTH METRIC:
- 41.40 MM
- BORE SIZE METRIC:
- 47.50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$134.95 -
Wiseco Piston Kit with Gaskets for Honda XR250R 1986-2004 PK1223
WISECO
$297.95The stock piston in your XR250R will eventually wear, lose compression, and cost you performance when you need it most. A quality rebuild with Wiseco's forged-aluminum piston kit restores your...09030570- SKU:
- 09030570
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 59.50 MM
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +4,00 MM
- BORE - OVERSIZE METRIC:
- +4.00 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON DIAMETER METRIC:
- 76.95 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
$297.95Qty in Cart: 0Quantity:Price:$297.95Subtotal: -
Wiseco Piston Kit 58mm 12:1 Compression for Honda CRF100F 2004-2013 4773M05800
WISECO
$169.95If you're rebuilding a CRF100F or pushing your existing engine toward higher output, piston selection directly impacts reliability and power delivery. Wiseco's 12:1 compression ratio opens up...09100752- SKU:
- 09100752
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +5,00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- BORE SIZE METRIC:
- 58.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 45.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +5.00 MM
- DISPLACEMENT:
- 120 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
Wiseco Piston Kit 75.50mm 10.5:1 Compression Ratio for Honda XR250R 1986-2004 4466M07550
WISECO
$219.95The Wiseco 4466M07550 is engineered to restore or upgrade your XR250R's top-end with a precisely machined piston that maximizes combustion efficiency and power delivery. The 10.5:1 compression ratio...09100753- SKU:
- 09100753
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 75.50 MM
- DISPLACEMENT:
- 250 CC
- BORE - OVERSIZE METRIC:
- +2.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +2,50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 59.50 MM
- UNITS:
- EACH
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
Wiseco Piston Kit Yamaha RT100 1990-2000 52.00mm 771M05200
WISECO
$132.95A worn or damaged piston directly impacts your RT100's power delivery, fuel efficiency, and engine longevity. The Wiseco 771M05200 restores lost compression and combustion efficiency with...09100795- SKU:
- 09100795
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- DISPLACEMENT:
- 97 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 52.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 45.60 MM
- PISTON MATERIAL:
- FORGED
$132.95Qty in Cart: 0Quantity:Price:$132.95Subtotal: -
Wiseco Yamaha RT100 1990-2000 Piston Kit 52.50mm 771M05250
WISECO
$132.95If your Yamaha RT100 is wearing its original piston, you're leaving performance on the table. The Wiseco 771M05250 replaces worn or damaged pistons with precision-engineered components that restore...09100796- SKU:
- 09100796
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- DISPLACEMENT:
- 99 CC
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 52.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- STROKE LENGTH METRIC:
- 45.60 MM
$132.95 -
Wiseco Piston Kit Yamaha RT100 1990-2000 53mm Bore 771M05300
WISECO
$132.95When your 2-stroke demands reliability under sustained high-RPM load, a quality piston kit separates weekend warriors from serious competitors. The Wiseco 771M05300 delivers aerospace-grade forged...09100797- SKU:
- 09100797
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- DISPLACEMENT:
- 101,00 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 53.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 45.60 MM
$132.95