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 66mm 1987-1989 Honda TRX250R FourTrax 562M06600
WISECO
$221.95If you're running a 1987-1989 Honda TRX250R and pushing for more power and reliability, the Wiseco Piston is engineered to deliver. Built from high-silicon aluminum alloy with a forged design, this...562M06600- SKU:
- 562M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 66.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 72.00 MM
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
Wiseco Piston Kit 66.50mm Oversize for 1986 Honda TRX250R FourTrax 562M06650
WISECO
$221.95If you're pushing your TRX250R to its limits, stock pistons will hold you back. The Wiseco 66.50mm oversize piston kit delivers the strength and precision needed for sustained high-RPM performance,...562M06650- SKU:
- 562M06650
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.50 MM
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
$221.95 -
Wiseco Piston Kit 67.25mm Honda TRX250R 1986-1989 562M06725
WISECO
$221.95If you're running a Honda TRX250R and serious about extracting every bit of performance from your engine, this Wiseco piston kit is the upgrade that separates competitive builds from stock setups...562M06700- SKU:
- 562M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +1,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- DISPLACEMENT:
- 246 CC
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
Wiseco Piston 1.00mm Oversize for 2005 Honda CR125R 564M05500
WISECO
$154.95When you're pushing a 2-stroke to its limits, a worn or damaged piston becomes your weakest link. The Wiseco 564M05500 restores lost compression and power by delivering precise OEM fitment with...564M05500- SKU:
- 564M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- PISTON KIT
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Standard Kawasaki KX125 1988-1989 566M05600
WISECO
$154.95If you're running a 1988–1989 Kawasaki KX125, piston wear directly impacts combustion efficiency, throttle response, and engine longevity. The Wiseco 566M05600 restores—or exceeds—OEM performance...566M05600- SKU:
- 566M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 50.60 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- DISPLACEMENT:
- 124 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 50,6 MM
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit 67mm Standard Suzuki LT250R QuadRacer 1988-1992 571M06700
WISECO
$189.95If you're pushing a Suzuki LT250R to its limits, a worn or stock piston is costing you horsepower and reliability. The Wiseco 571M06700 delivers the compression ratio, durability, and power output...571M06700- SKU:
- 571M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 67.00 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 246,8 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 70,00 MM
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Standard Suzuki RM 125 1985-1986 519M05400
WISECO
$154.95If you're pushing your RM 125 to the limit, factory pistons won't cut it. The Wiseco Performance Piston delivers the strength and thermal stability required for sustained high-RPM racing, while its...511M05400- SKU:
- 511M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- +1,50 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 123 CC
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit 55.00mm Oversize for Suzuki RM125 1981-1984 511M05500
WISECO
$154.95When your RM125's factory piston reaches its limits, a quality oversize replacement is your path to restored compression, reliable power delivery, and extended engine life. The Wiseco 511M05500...511M05500- SKU:
- 511M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 54,00 MM
- UNITS:
- EACH
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston 50mm Overbore Honda CR125R 1998-2007 518M05450
WISECO
$154.95When you're pushing a 2-stroke to its limits, the piston is where combustion meets durability. A worn or poorly-fitted piston will bleed power, increase heat stress, and shorten your engine's...518M05450- SKU:
- 518M05450
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH:
- 54,00 MM
- BORE SIZE METRIC:
- 54.50 MM
- PISTON MATERIAL:
- ALUMINUM
$154.95 -
Wiseco Piston Kit 56mm Bore Honda CR125R 2004-2007 841M05600
WISECO
$179.95If you're running a Honda CR125R 2-stroke, piston wear is inevitable—and it directly impacts throttle response, compression, and lap times. The Wiseco 518M05600 delivers OEM-spec bore precision with...518M05600- SKU:
- 518M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
Wiseco Piston Standard Yamaha YZ80 1987 520M04800
WISECO
$141.95The Wiseco 520M04800 is a complete piston kit engineered for the Yamaha YZ80 to restore your engine's compression and combustion efficiency after high-hour use or a top-end rebuild. Whether you're...520M04800- SKU:
- 520M04800
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH METRIC:
- 45.60 MM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 48.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 45,60 MM
$141.95Qty in Cart: 0Quantity:Price:$141.95Subtotal: -
Wiseco Piston Kit 48.50mm Yamaha YZ80 1985-1987 520M04850
WISECO
$134.95A worn or damaged piston directly cuts into your YZ80's power output and engine reliability. The Wiseco 520M04850 restores—or exceeds—OEM performance with aerospace-grade construction and precision...520M04850- SKU:
- 520M04850
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 48.50 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH:
- 45,60 MM
- BORE - OVERSIZE:
- +0,50 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 45.60 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
$134.95 -
Wiseco Piston Kit 48.00 mm Yamaha YZ 80 1982-1983 477M04800
WISECO
$134.95The stock piston in your YZ80 is a wear item with a finite lifespan—especially if you're pushing harder on the track or trail. The Wiseco 520M04900 restores lost compression, responsiveness, and...520M04900- SKU:
- 520M04900
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 45,60 MM
- BORE SIZE METRIC:
- 49.00 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH METRIC:
- 45.60 MM
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
Wiseco Piston Kit Yamaha YZ80 1985-1987 49.5mm 520M04950
WISECO
$144.95The Wiseco 520M04950 is a complete piston kit engineered for the Yamaha YZ80, delivering the precision and durability you need to keep your machine running strong lap after lap. A quality piston kit...520M04950- SKU:
- 520M04950
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- +1,50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 49.50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 45.60 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH:
- 45,60 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston Standard Yamaha IT 200 1984 522M06600
WISECO
$184.95When your Yamaha IT200's original piston shows wear, combustion efficiency drops and power delivery suffers. The Wiseco 522M06600 restores—and exceeds—stock performance with forged aluminum...522M06600- SKU:
- 522M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 195 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STROKE LENGTH:
- 57,00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 66.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.00 MM
$184.95 -
Wiseco Piston Kit 67.00mm Oversize Yamaha IT200 1984-1986 522M06700
WISECO
$193.95If you're running a 1984-1986 Yamaha IT200, a worn or damaged piston directly impacts throttle response, power delivery, and engine reliability. The Wiseco 522M06700 restores—and exceeds—OEM...522M06700- SKU:
- 522M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 57.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- DISPLACEMENT:
- 195 CC
- STROKE LENGTH:
- 57,00 MM
$193.95 -
Wiseco Piston 2.00mm Oversize Yamaha YZ80 1980 508M05000
WISECO
$144.95When you're pushing a YZ80 to its limits on the track or trail, factory pistons won't cut it. The Wiseco 508M05000 is precision-engineered for 2-stroke performance, delivering the compression...508M05000- SKU:
- 508M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 45.60 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 45,60 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 50.00 MM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 82 CC
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco PE175 1980-1984 Piston Kit 490M06200
WISECO
$154.95If you're running a 1980–1984 Suzuki PE175, a worn piston kit will tank your engine's compression, throttle response, and overall reliability. The Wiseco 490M06200 delivers a complete,...490M06200- SKU:
- 490M06200
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 62.00 MM
- DISPLACEMENT:
- 172 CC
- PISTON DIAMETER METRIC:
- 61.92 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 57.00 MM
- UNITS:
- KIT
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit Standard Bore 66mm Kawasaki KDX 200 1986-2006 711M06600
WISECO
$199.95If your Kawasaki KDX200 is losing compression, burning oil, or showing signs of worn ring wear, a piston kit refresh is essential to restore power delivery and engine reliability. Wiseco's 711M06600...711M06600- SKU:
- 711M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH:
- 58,00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 66.00 MM
- DISPLACEMENT:
- 198 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 58.00 MM
$199.95 -
Wiseco Piston Kit 66.50mm Oversize Kawasaki KDX200 1986-1988 711M06650
WISECO
$199.95The Wiseco 711M06650 is engineered for riders who demand precision and reliability from their 2-stroke engine. If you're rebuilding a KDX200 or pushing for better throttle response and peak power,...711M06650- SKU:
- 711M06650
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 58,00 MM
- STROKE LENGTH METRIC:
- 58.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.50 MM
- DISPLACEMENT:
- 198 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
$199.95 -
Wiseco Piston 1986 Kawasaki KDX 200 711M06700
WISECO
$184.95If you're running a 1986 Kawasaki KDX 200, piston wear directly impacts compression, throttle response, and top-end reliability—especially on a 2-stroke where every combustion cycle matters. The...711M06700- SKU:
- 711M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 58,00 MM
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 198 CC
- STROKE LENGTH METRIC:
- 58.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
$184.95 -
Wiseco Piston Kit 67.50mm for 1996-1999 KTM 250 SX 694M06750
WISECO
$199.95If you're running a 1996-1999 KTM 250 SX at the edge of its limits, a worn or damaged piston directly translates to lost compression, power, and reliability. The Wiseco 694M06750 replaces all...694M06750- SKU:
- 694M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON
- DISPLACEMENT:
- 249,6 CC
- STROKE LENGTH:
- 69,50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 67.50 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 69.50 MM
$199.95 -
Wiseco Piston Kit Standard 66.40mm Bore Honda CR250R 1997-2001 702M06640
WISECO
$221.95If you're running a CR250R at the track or on the trail, piston durability and consistent power delivery directly impact your lap times and engine longevity. Wiseco's forged high-silicon aluminum...702M06640- SKU:
- 702M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.40 MM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED
$221.95 -
Wiseco Piston Kit 67.50mm for Honda CR250R 2002-2004 702M06750
WISECO
$221.95When you're pushing your CR250R to the limit, a stock piston won't cut it. The Wiseco 67.50mm piston kit delivers the precision engineering and durability you need to maintain peak performance lap...702M06700- SKU:
- 702M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE SIZE METRIC:
- 67.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,60 MM
- BORE - OVERSIZE METRIC:
- +0.60 MM
- DISPLACEMENT:
- 249 CC
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- RIDING STYLE:
- OFF-ROAD
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
Wiseco Piston 1.10mm Oversize for 2001 Honda CR250R 702M06750
WISECO
$199.95When you're pushing your CR250 to the edge, your factory piston becomes the weakest link. The Wiseco 702M06750 is built to handle the demands of high-RPM racing with a high-silicon aluminum forging...702M06750- SKU:
- 702M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- DISPLACEMENT:
- 249 CC
- BORE - OVERSIZE:
- +1,10 MM
- BORE - OVERSIZE METRIC:
- +1.10 MM
- BORE SIZE METRIC:
- 67.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
$199.95 -
Wiseco Piston Kit 66.4mm Honda CR250R 2002-2004 802M06640
WISECO
$224.95When your CR250R's piston shows signs of wear or you're rebuilding after a top-end failure, a quality replacement is non-negotiable. The Wiseco 702M06800 delivers OEM-equivalent fitment with...702M06800- SKU:
- 702M06800
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +1,60 MM
- BORE SIZE METRIC:
- 68.00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +1.60 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit 66.40mm Standard Bore Suzuki RM250 1996-1997 681M06640
WISECO
$207.95The Wiseco 681M06640 is engineered for riders who demand reliability and responsive power from their RM250. Wiseco's forged aluminum construction delivers the durability needed for competitive riding...681M06640- SKU:
- 681M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- DISPLACEMENT:
- 249 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.40 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
$207.95 -
Wiseco Piston Kit for 2004 Kawasaki Bayou 300 4x4 PK1053
WISECO
$254.95When your Bayou 300 demands more from its engine, a worn top-end compromises power delivery and reliability under load. The Wiseco Piston Kit restores—and exceeds—OEM performance by pairing forged...09030326- SKU:
- 09030326
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- BORE SIZE METRIC:
- 77.50 MM
- COMPRESSION RATIO IMPERIAL:
- 8.6:1
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 77.45 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,50 MM
- DISPLACEMENT:
- 290 CC
- TYPE:
- TOP END
$254.95Qty in Cart: 0Quantity:Price:$254.95Subtotal: -
Wiseco Honda TRX300 FourTrax 1988-2000 Piston Kit 74.50mm Bore 10.25:1 Compression PK1043
WISECO
$263.95When you're rebuilding your TRX300 engine or pushing higher RPMs, stock pistons become a liability. Wiseco's forged piston kit delivers the thermal stability and durability you need to run...09030329- SKU:
- 09030329
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- BORE SIZE METRIC:
- 74.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 74.45 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 65.50 MM
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 282 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$263.95 -
Wiseco Piston Kit 76mm 8.6:1 Compression for Kawasaki KLF300 Bayou 1986-2003 PK1050
WISECO
$239.95A worn or stock piston setup limits your Bayou 300's potential for power and reliability under demanding conditions. This Wiseco kit delivers a complete top-end solution with forged internals...09030331- SKU:
- 09030331
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- DISPLACEMENT:
- 290 CC
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 75.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE SIZE METRIC:
- 76.00 MM
- COMPRESSION RATIO IMPERIAL:
- 8.6:1
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Wiseco Piston Kit Honda TRX250R 1986 PK1073
WISECO
$291.95When you're pushing your TRX250R to its limits, factory pistons become your weak link. This Wiseco Piston Kit delivers the strength and precision engineering needed to survive high-RPM demands and...09030332- SKU:
- 09030332
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 66.00 MM
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 65.92 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- PRODUCT NAME:
- REBUILD KIT
$291.95Qty in Cart: 0Quantity:Price:$291.95Subtotal: -
Wiseco Piston Kit Kawasaki KFX80 2003-2006 PK1101
WISECO
$169.95When you're rebuilding the top end on your KFX80, compromising on piston quality means compromising on reliability and peak performance. Wiseco's forged piston kit delivers the thermal stability and...09030369- SKU:
- 09030369
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 82 CC
- PISTON DIAMETER METRIC:
- 50.42 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 42.00 MM
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 50.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
Wiseco Piston Kit for Suzuki LT80 1987-2006 PK1103
WISECO
$169.95If you're running a Suzuki LT80, a quality piston kit is essential for maintaining engine reliability and extracting consistent power from your 2-cycle engine. Wiseco's forged aluminum construction...09030370- SKU:
- 09030370
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 51.00 MM
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON DIAMETER METRIC:
- 50.92 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 82 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 42.00 MM
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
Wiseco Piston Kit for 1994-2003 Polaris Sportsman 400 4x4 PK1109
WISECO
$269.95A worn piston is one of the most common culprits behind power loss and reliability issues in your Polaris Sportsman 400. The Wiseco Piston Kit gives you everything needed for a complete top-end...09030372- SKU:
- 09030372
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 400 CC
- PISTON DIAMETER METRIC:
- 83.92 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 84.00 MM
- PRODUCT NAME:
- REBUILD KIT
$269.95 -
Wiseco 86mm 10:1 Piston Kit for Honda TRX400EX 1999-2008 PK1033
WISECO
$294.95When your TRX400EX's piston shows signs of wear or you're pushing for higher RPMs, a quality rebuild is non-negotiable. The Wiseco 86mm 10:1 Piston Kit delivers the durability and precision needed to...09030374- SKU:
- 09030374
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 70.00 MM
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 86.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 397 CC
- PISTON DIAMETER METRIC:
- 85.95 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$294.95 -
Wiseco Piston Kit for 1990-2006 Polaris Trail Blazer 250 PK1086
WISECO
$218.95If you're running a 1990-2006 Polaris Trail Blazer 250 at the edge of its limits, a worn top-end will cost you power and reliability. The Wiseco Piston Kit PK1086 delivers a complete engine rebuild...09030375- SKU:
- 09030375
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 244 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 73.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- PISTON DIAMETER METRIC:
- 72.92 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 60.00 MM
$218.95 -
Wiseco Piston Kit 83.50mm for 1994-2003 Polaris Sportsman 400 PK1108
WISECO
$239.95When your Polaris Sportsman 400's original pistons show signs of wear or you're rebuilding after a failure, a quality forged piston kit is non-negotiable for reliable performance. Wiseco's...09030376- SKU:
- 09030376
- Availability:
- Ships Same Business Day
- Weight:
- 1.82 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 83.50 MM
- TYPE:
- TOP END
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 83.42 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- DISPLACEMENT:
- 400 CC
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Wiseco Piston Kit for Polaris Trail Boss 250 1987-1993 PK1085
WISECO
$218.95Top-end wear is inevitable on high-mileage 2-cycle engines, but premature piston failure doesn't have to be. This Wiseco piston kit for your Polaris Trail Boss 250 delivers OEM-quality replacement...09030377- SKU:
- 09030377
- Availability:
- Ships Same Business Day
- Weight:
- 1.22 LBS
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 244 CC
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 72.42 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 72.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 60.00 MM
$218.95 -
Wiseco Piston Kit Yamaha YFS200 Blaster 1988-2006 PK1089
WISECO
$225.95If you're rebuilding a 2-stroke YFS200 Blaster engine, piston quality directly impacts your top-end reliability and power output. Wiseco's high-silicone forged pistons deliver the thermal stability...09030378- SKU:
- 09030378
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 66.00 MM
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 65.95 MM
- STROKE LENGTH METRIC:
- 57.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 195 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$225.95Qty in Cart: 0Quantity:Price:$225.95Subtotal: -
Wiseco Yamaha YFS200 Blaster 1988-2006 Piston Kit 67.50mm PK1095
WISECO
$219.95Stock pistons on your Yamaha Blaster won't survive sustained high-RPM riding or aggressive tuning—thermal stress and wear are inevitable. The Wiseco PK1095 eliminates these failure points with...09030379- SKU:
- 09030379
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PISTON DIAMETER METRIC:
- 67.50 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,50 MM
- STROKE LENGTH METRIC:
- 57.00 MM
- UNITS:
- KIT
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 195 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$219.95
