Dirt Bike Piston and Ring Kits
Dirt Bike Piston & Ring Kits for Yamaha YZ85, WR250 & YZ250 at JJ Motorsports
Rebuild your dirt bike's top end for maximum power and reliability with premium piston and ring kits from JJ Motorsports, forged from high-strength aluminum for superior heat resistance, lightweight performance, and precise fit in motocross, enduro, and trail riding. Our selection includes complete kits with pistons, high-performance rings, wrist pins, circlips, top-end bearings, and gaskets designed for enhanced combustion efficiency, reduced blow-by, and longer engine life under high-RPM abuse. Compatible with popular models like Yamaha YZ85 (2002-2018), WR250, and YZ250, these Wiseco-engineered components feature CNC-machined crowns for optimal cam shape, ArmorGlide skirt coatings for low friction, and 4032 alloy construction for durability in dusty, aggressive conditions. Whether you're refreshing a youth 85cc 2-stroke or upgrading a 250cc big bore, these kits ensure crisp throttle response, better sealing, and race-ready power without the need for custom boring—perfect for DIY rebuilds or pro-level maintenance.
Shop trusted brands like Wiseco for race-proven quality. Explore related categories such as dirt bike engine for cylinders and valves or dirt bike air and fuel for carburetors and jets.
Top Dirt Bike Piston & Ring Kits
- Wiseco YZ85 2002-2018 Piston Kit with Gaskets PK1202 – 47.50mm forged aluminum piston kit for Yamaha YZ85 2-stroke; includes rings, wrist pin, circlips, bearing, and gaskets for enhanced combustion and throttle response.
- Wiseco 68.00mm Piston Kit with Gaskets Yamaha WR/YZ 250 PK1563 – Complete big bore kit for Yamaha WR250/YZ250; features forged piston, rings, wrist pin, circlips, and top-end gaskets for superior power and sealing.
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
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Wiseco Piston Kit 68.50mm for Honda CR250R 1997-2001 PK1172
WISECO
$297.95When your CR250R's top end reaches the end of its service life, a quality rebuild kit isn't optional—it's essential to maintaining the power and reliability your bike demands. The Wiseco PK1172 delivers factory-spec bore sizing and forged piston...09030523- SKU:
- 09030523
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE - OVERSIZE METRIC:
- +2.10 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE SIZE METRIC:
- 68.50 MM
- PISTON DIAMETER METRIC:
- 68.46 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE:
- +2,10 MM
- SKIRT COATING:
- NON-COATED
- DISPLACEMENT:
- 249 CC
$297.95Qty in Cart: 0Quantity:Price:$297.95Subtotal: -
Wiseco Piston Kit Standard 77mm 14.5:1 Compression Kawasaki KX250F 2017-2019 4920M07700
WISECO
$224.95A piston kit is the heart of your engine's combustion chamber—wear or damage here directly kills power output and reliability. The Wiseco 4920M07700 delivers OEM-quality precision with performance-oriented engineering, giving you the compression ratio...09100844- SKU:
- 09100844
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 53.60 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit 76mm 12.8:1 Compression for 2006-2012 KTM 250 SX-F 4981M07600
WISECO
$266.95Wiseco's 4981M07600 piston kit delivers the compression ratio and bore precision your KTM 250 SX-F demands for serious trail and motocross performance. The aerospace-grade forged aluminum construction with ArmorGlide coating ensures your engine handles...09100846- SKU:
- 09100846
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- BORE SIZE METRIC:
- 76.00 MM
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 249,5 CC
- SKIRT COATING:
- MOLY COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$266.95Qty in Cart: 0Quantity:Price:$266.95Subtotal: -
Wiseco Honda CR85R 2003-2007 Piston Kit with Gaskets 48.50mm PK1216
WISECO
$169.95When your CR85R's top-end starts losing compression and throttle response, a quality rebuild kit is the difference between a seized engine and years of reliable performance. The Wiseco PK1216 gives you factory-spec pistons, rings, and gaskets in one...09030545- SKU:
- 09030545
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 48.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 84.7 CC
- PISTON DIAMETER METRIC:
- 48.45 MM
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
Wiseco Piston Kit 78mm 13.5:1 Honda CRF250R 2004-2007 CRF250X 2004-2017 PK1240
WISECO
$362.95If you're running a CRF250R or CRF250X and want measurable gains in power output and engine durability, a quality piston kit is non-negotiable. The Wiseco PK1240 delivers the compression ratio and material quality needed to extract real performance from...09030551- SKU:
- 09030551
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- DISPLACEMENT:
- 249 CC
- BORE SIZE METRIC:
- 78.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 52.20 MM
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 77.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$362.95 -
Wiseco Piston Kit Honda CR125R 2004-2007 54mm 841M05400
WISECO
$174.95A worn or damaged piston directly compromises your CR125R's combustion efficiency, throttle response, and overall reliability. The Wiseco 841M05400 GP Series Piston Kit restores these critical functions with precision-engineered components and...09100731- SKU:
- 09100731
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GP STYLE
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 54.50 MM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Kit with Gaskets for Kawasaki KX450F 2006-2008 PK1403
WISECO
$328.95When your KX450F's top end starts showing wear, a quality piston kit is the foundation of reliable power restoration. Wiseco's PK1403 delivers the precision engineering and durable materials you need to keep your 4-stroke competitive on the track or...09030575- SKU:
- 09030575
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$328.95Qty in Cart: 0Quantity:Price:$328.95Subtotal: -
Wiseco Piston Kit 96mm 13:1 Kawasaki KX450F 2006-2008 PK1405
WISECO
$349.95The Wiseco PK1405 piston kit delivers measurable performance gains for your KX450F through a 13:1 compression ratio that increases power output without sacrificing fuel efficiency. Whether you're pushing hard on the track or maximizing your bike's...09030576- SKU:
- 09030576
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 62.10 MM
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- STANDARD
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
$349.95Qty in Cart: 0Quantity:Price:$349.95Subtotal: -
Wiseco Piston Kit Standard Kawasaki KX85 2001-2013 862M04850
WISECO
$134.95The Wiseco 862M04850 Pro-Lite Piston Kit delivers the precision and durability your KX85 needs to handle consistent high-RPM demands. If you're rebuilding after a top-end refresh or pushing your 2-stroke harder than stock internals allow, this piston kit...09100762- SKU:
- 09100762
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 48.50 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 84,9 CC
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 45.80 MM
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
Wiseco Piston Kit for Yamaha YZ125 2005-2021 846M05600
WISECO
$184.95A worn or stock piston compromises your YZ125's power delivery and reliability when you need it most. The Wiseco 846M05600 Pro-Lite Kit delivers the precision and durability that serious 2-stroke racers depend on, combining CNC-machined tolerances with...09100800- SKU:
- 09100800
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GP STYLE
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 134 CC
- STROKE LENGTH METRIC:
- 54.50 MM
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
Wiseco Piston Kit Suzuki RM80 1991-2001 645M04900
WISECO
$144.95When a 2-stroke piston fails, your ride is over. The Wiseco 645M04900 Pro-Lite delivers the durability and precision engineering that keeps your RM80 running strong through seasons of hard riding. This complete kit eliminates guesswork with all necessary...09101222- SKU:
- 09101222
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- +1,50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 46.80 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 49.00 MM
- DISPLACEMENT:
- 82 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.50 MM
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston Kit Yamaha YZ125 1994-1996 647M05600
WISECO
$179.95A worn or damaged piston directly compromises your YZ125's power delivery, throttle response, and engine reliability—especially critical on 2-stroke engines where piston quality directly impacts performance. The Wiseco 647M05600 Pro-Lite Kit delivers the...09101224- SKU:
- 09101224
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 54.50 MM
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
Wiseco 47mm Piston Kit for KTM 65 SX 1999-2008 PK1515
WISECO
$189.95When your KTM 65 SX's top end is worn, you're losing compression, power, and reliability. The Wiseco PK1515 restores—and exceeds—OEM performance with aerospace-grade materials engineered for 2-stroke demands. This complete kit gives you everything needed...09030702- SKU:
- 09030702
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 40.00 MM
- UNITS:
- KIT
- DISPLACEMENT:
- 63.58 CC
- PISTON DIAMETER METRIC:
- 46.95 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 47.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +2,00 MM
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Suzuki RM80 1991-2001 49.5mm Piston Kit with Gaskets PK1528
WISECO
$189.95If you're running a 1991-2001 Suzuki RM80 and want to restore lost compression or upgrade to fresh top-end internals, the Wiseco PK1528 is the standard choice for serious riders. This complete piston kit eliminates the guesswork of sourcing individual...09030710- SKU:
- 09030710
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +2,00 MM
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 46.80 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 49.50 MM
- DISPLACEMENT:
- 82 CC
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 49.45 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit Suzuki RM250 2003-2008 823M06750
WISECO
$118.95A worn or damaged piston directly limits your RM250's power output and throttle response. Wiseco's 823M06750 kit restores—or exceeds—OEM performance with precision-engineered internals and a complete ring/pin assembly, getting you back to competitive lap...09101251- SKU:
- 09101251
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +1.10 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +1,10 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
$118.95Qty in Cart: 0Quantity:Price:$118.95Subtotal: -
Wiseco Piston Kit 45.00mm 2.00mm Oversize Kawasaki KX60 1983-2003 648M04500
WISECO
$134.95When your KX60's stock piston reaches its limit, a quality replacement isn't optional—it's essential for maintaining compression, ring seal, and reliability through the heat cycles of aggressive riding. The Wiseco 648M04500 Pro-Lite Piston Kit delivers...09100344- SKU:
- 09100344
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 60 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 45.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 41.60 MM
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
Wiseco Piston Kit 54mm for Suzuki RM125 2004-2007 835M05400
WISECO
$144.95If you're running a 2004-2007 Suzuki RM125 and want to reclaim lost compression, boost throttle response, and extend engine life, a quality piston kit is non-negotiable. The Wiseco 835M05400 Pro-Lite delivers the precision bore diameter and forged...09100357- SKU:
- 09100357
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 54.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco KX250 1993-2001 Piston Kit 68.50mm PK1291
WISECO
$294.95If you're running a vintage KX250 and want measurable gains in top-end power and engine reliability, a quality piston kit is non-negotiable. The Wiseco PK1291 delivers precision-forged internals that handle sustained high RPM loads without compromise,...09030547- SKU:
- 09030547
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE - OVERSIZE:
- +2,10 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +2.10 MM
- PISTON DIAMETER METRIC:
- 68.45 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 68.50 MM
- PRODUCT NAME:
- REBUILD KIT
$294.95Qty in Cart: 0Quantity:Price:$294.95Subtotal: -
Wiseco Yamaha YZ250F 2001-2004 Piston Kit with Gaskets PK1241
WISECO
$294.95When your YZ250F's top end starts showing wear, a complete piston and gasket kit is the most reliable path to restoring full compression and power delivery. Wiseco's PK1241 gives you OEM-spec precision with forged aluminum construction that handles the...09030554- SKU:
- 09030554
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.7:1
- DISPLACEMENT:
- 249 CC
- PISTON DIAMETER METRIC:
- 76.95 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 77.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 53.60 MM
- TYPE:
- TOP END
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$294.95Qty in Cart: 0Quantity:Price:$294.95Subtotal: -
Wiseco Piston Kit 77mm 14.1:1 for 2004-2005 Kawasaki KX250F PK1239
WISECO
$339.95If you're rebuilding your 2004–2005 KX250F or pushing it to its limits in competition, piston wear or damage will kill your power delivery and throttle response. The Wiseco PK1239 restores full compression and horsepower with a forged-aluminum top end...09030556- SKU:
- 09030556
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COMPRESSION RATIO IMPERIAL:
- 14.1:1
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 53.60 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- PISTON DIAMETER METRIC:
- 76.96 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$339.95Qty in Cart: 0Quantity:Price:$339.95Subtotal: