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 with Gaskets for 2003 Suzuki RM100 PK1155
WISECO
$179.95A worn top-end can quietly rob your RM100 of power and responsiveness. The Wiseco PK1155 restores lost compression and combustion efficiency with aerospace-grade forged aluminum pistons machined to exact tolerances, so you get reliable throttle response...09030181- SKU:
- 09030181
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE SIZE METRIC:
- 53.00 MM
- DISPLACEMENT:
- 99 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 52.95 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +0,50 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.80 MM
- UNITS:
- KIT
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
Wiseco Honda CR85R 2003-2007 Piston Kit with Gaskets PK1218
WISECO
$184.95A worn or damaged piston directly compromises your CR85R's compression, throttle response, and overall reliability—especially critical in competitive or high-demand riding. The Wiseco PK1218 restores your top-end to OEM specifications with...09030183- SKU:
- 09030183
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- +3.00 MM
- BORE SIZE METRIC:
- 50.50 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +3,00 MM
- DISPLACEMENT:
- 84.7 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 50.45 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$184.95 -
Wiseco Piston Kit for Honda XR250R 1986-2004 74mm 10.5:1 Compression PK1221
WISECO
$257.95The stock piston in your XR250R will eventually show signs of wear—especially if you're pushing the engine hard or running higher octane fuel for increased performance. The Wiseco PK1221 restores compression integrity and adds measurable power while...09030193- SKU:
- 09030193
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE SIZE METRIC:
- 74.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 73.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 59.50 MM
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
$257.95Qty in Cart: 0Quantity:Price:$257.95Subtotal: -
Wiseco Honda XR200R 1992-2002 66.5mm Piston Kit with Gaskets PK1126
WISECO
$204.95The Wiseco PK1126 Piston Kit is engineered for riders who demand reliability and measurable performance gains from their Honda XR200R. Whether you're rebuilding after high-mileage wear or upgrading for competitive advantage, this kit delivers the...09030201- SKU:
- 09030201
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
- BORE SIZE METRIC:
- 66.50 MM
- DISPLACEMENT:
- 192 CC
- PISTON DIAMETER METRIC:
- 66.45 MM
- TYPE:
- TOP END
$204.95Qty in Cart: 0Quantity:Price:$204.95Subtotal: -
Wiseco Honda CR250R 1997-2001 Piston Kit with Gaskets 67.50mm PK1170
WISECO
$259.95If you're rebuilding the top end of a 1997-2001 Honda CR250R, you need a piston kit engineered to withstand the demands of two-stroke racing. The Wiseco PK1170 delivers the compression consistency and durability required to restore full power output...09030208- SKU:
- 09030208
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.10 MM
- BORE SIZE METRIC:
- 67.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 67.46 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,10 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- REBUILD KIT
$259.95Qty in Cart: 0Quantity:Price:$259.95Subtotal: -
Wiseco Yamaha PW50 1981-2020 Piston Kit 41mm PK1161
WISECO
$149.95A worn top-end can rob your PW50 of power and reliability—the Wiseco PK1161 gives you a straightforward path back to peak performance. This complete piston kit delivers the precision machining and durable materials you need for a rebuild that lasts,...09030269- SKU:
- 09030269
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- UNITS:
- EACH
- BORE SIZE METRIC:
- 41.00 MM
- MODEL:
- RACER'S CHOICE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- COOLING SYSTEM:
- AIR COOLED
- DISPLACEMENT:
- 49 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 39.20 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM
$149.95Qty in Cart: 0Quantity:Price:$149.95Subtotal: -
Wiseco 66mm 10.25:1 Piston Kit for 1992-2002 Honda XR200R PK1125
WISECO
$204.95Whether you're rebuilding a worn XR200R or restoring a dormant XL185S to peak performance, a quality piston kit is essential for reliable power delivery and engine longevity. The Wiseco PK1125 delivers OEM-equivalent fitment with precision CNC-machined...09030270- SKU:
- 09030270
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 192 CC
- PISTON DIAMETER METRIC:
- 65.95 MM
- BORE - OVERSIZE:
- +0,50 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$204.95Qty in Cart: 0Quantity:Price:$204.95Subtotal: -
Wiseco Yamaha YZ85 2002-2018 Piston Kit with Gaskets PK1343
WISECO
$214.95When your YZ85's top-end starts losing compression or showing signs of wear, a quality piston kit is essential to restore engine performance and reliability. The Wiseco PK1343 delivers OEM-spec fitment with precision CNC machining and aerospace-grade...09030271- SKU:
- 09030271
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 103,5 CC
- MODEL:
- RACER'S CHOICE
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 52.50 MM
- COOLING SYSTEM:
- LIQUID COOLED
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- UNITS:
- EACH
$214.95Qty in Cart: 0Quantity:Price:$214.95Subtotal: -
Wiseco Piston Kit with Gaskets 40mm Bore for Yamaha PW50 1981-2025 PK1157
WISECO
$171.95A worn or damaged piston directly throttles your PW50's performance, causing compression loss, poor throttle response, and accelerated engine wear. The Wiseco PK1157 restores full compression integrity and thermal efficiency with precision-forged...09030275- SKU:
- 09030275
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 40.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- COOLING SYSTEM:
- AIR COOLED
- DISPLACEMENT:
- 49 CC
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 39.20 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- RACER'S CHOICE
$171.95 -
Wiseco Yamaha YZ125 2003-2004 Piston Kit with Gaskets PK1344
WISECO
$224.95Your YZ125's piston is the heart of engine performance—worn or undersized pistons rob you of power, throttle response, and reliability. The Wiseco PK1344 Pro-Lite Kit restores that performance with precision-engineered components built to survive the...09030283- SKU:
- 09030283
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit for Honda CR80R 1993-2002 PK1185
WISECO
$214.95The CR80R demands a piston kit that can handle high RPM abuse while maintaining bore integrity—the Wiseco PK1185 delivers exactly that. This CNC-machined, aerospace-grade aluminum piston assembly restores lost compression and sealing, bringing your...09030285- SKU:
- 09030285
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE METRIC:
- +5.00 MM
- COOLING SYSTEM:
- LIQUID COOLED
- UNITS:
- EACH
- BORE SIZE METRIC:
- 52.00 MM
- MODEL:
- RACER'S CHOICE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +5,00 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- DISPLACEMENT:
- 101,5 CC
- PISTON MATERIAL:
- ALUMINUM
$214.95Qty in Cart: 0Quantity:Price:$214.95Subtotal: -
Wiseco 54mm Piston Kit with Gaskets for 2003 Honda CR125R PK1265
WISECO
$243.95A worn or damaged piston directly compromises your CR125R's compression, throttle response, and fuel efficiency. This complete Wiseco kit eliminates guesswork with OEM-spec fitment and quality gaskets, getting your bike back to peak performance without...09030286- SKU:
- 09030286
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
$243.95Qty in Cart: 0Quantity:Price:$243.95Subtotal: -
Wiseco Piston Kit with Gaskets for 1993-1998 Suzuki RMX250 PK1339
WISECO
$277.95A worn or damaged piston directly compromises combustion efficiency, throttle response, and overall engine reliability—especially critical on a 2-stroke like the RMX250 where every combustion cycle demands precision. The Wiseco PK1339 Pro-Lite kit...09030287- SKU:
- 09030287
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 66.94 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 70.80 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 67.00 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$277.95Qty in Cart: 0Quantity:Price:$277.95Subtotal: -
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 lightweight construction that separates competitive riders...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
$225.95Qty in Cart: 0Quantity:Price:$225.95Subtotal: -
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 precision engineering and proven materials, giving you...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 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 Wiseco Piston (431M07000) delivers the precision fit and...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 piston kit restores lost performance while...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
$221.95 -
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 construction and CNC precision ensure reliable power...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
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
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 of 2-stroke performance while maintaining the tight...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 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 to safely push higher compression ratios without...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
