Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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WISECO Piston Kit with Gaskets PK1207
WISECO
$169.95Wiseco PK1207 Top End Kit Boost your motorcycle's performance with the Wiseco PK1207 Top End Kit, a top-tier upgrade designed for riders who demand exceptional durability, strength, and precision. Tailored for high-performance and reliable use, this kit...09030544- SKU:
- 09030544
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 48.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- STROKE LENGTH METRIC:
- 46.80 MM
- DISPLACEMENT:
- 84.7 CC
- PRODUCT NAME:
- REBUILD KIT
- PISTON DIAMETER METRIC:
- 48.45 MM
- SKIRT COATING:
- ARMORGLIDE®
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
WISECO Piston Kit with Gaskets PK1291
WISECO
$294.95Wiseco PK1291 Top End Kit Elevate your motorcycle’s performance with the Wiseco PK1291 Top End Kit, a precision-engineered solution crafted for riders who demand power, durability, and reliability. This premium kit is designed to optimize engine...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
$294.95 -
WISECO Piston Kit with Gaskets PK1381
WISECO
$309.95Wiseco PK1381 Top End Kit Upgrade your ride with the Wiseco PK1381 Top End Kit, a performance-focused solution built for durability, strength, and precision. Designed for riders who demand superior quality and peak performance, this kit is everything you...09030550- SKU:
- 09030550
- Availability:
- Ships Same Business Day
- Weight:
- 1.44 LBS
- COOLING SYSTEM:
- LIQUID COOLED
- DISPLACEMENT:
- 249 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- MODEL:
- RACER'S CHOICE
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$309.95 -
WISECO Piston Kit with Gaskets PK1233
WISECO
$364.95Wiseco PK1233 Top End Kit Revitalize your motorcycle’s engine with the Wiseco PK1233 Top End Kit, a premium upgrade designed to deliver exceptional performance, durability, and reliability. Engineered for serious riders and racing enthusiasts, this...09030552- SKU:
- 09030552
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BORE SIZE METRIC:
- 96.00 MM
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- 95.94 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 62.10 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$364.95 -
WISECO Piston Kit with Gaskets PK1241
WISECO
$294.95Wiseco PK1241 Top End Kit Unleash the full power of your motorcycle with the Wiseco PK1241 Top End Kit, expertly designed to deliver superior performance, durability, and precision. Whether you're hitting the trails or racing for the win, this advanced...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 with Gaskets PK1237
WISECO
$289.95Wiseco PK1237 Top End Kit Transform your riding experience with the Wiseco PK1237 Top End Kit, a high-performance solution meticulously designed to enhance power, durability, and precision. Renowned for its premium build and refined engineering, this kit...09030555- SKU:
- 09030555
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- 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
- COMPRESSION RATIO IMPERIAL:
- 13.1:1
- PISTON DIAMETER METRIC:
- 76.96 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$289.95 -
WISECO Piston Kit with Gaskets PK1239
WISECO
$339.95Wiseco PK1239 Top End Kit Unlock the ultimate potential of your motorcycle with the Wiseco PK1239 Top End Kit, meticulously crafted for riders who demand premium quality, durability, and performance. Whether you're eyeing the podium or tackling rough...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
$339.95 -
WISECO Piston Kit with Gaskets PK1367
WISECO
$364.95Wiseco PK1367 Top End Kit Upgrade your Honda CRF450R to peak performance with the Wiseco PK1367 Top End Kit, meticulously engineered to deliver exceptional power, durability, and precision. Designed for riders who demand perfection, this kit is perfect...09030557- SKU:
- 09030557
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- 95.94 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 62.10 MM
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- MODEL:
- FORGED SERIES
$364.95Qty in Cart: 0Quantity:Price:$364.95Subtotal: -
WISECO Piston Kit with Gaskets PK1384
WISECO
$344.95Wiseco PK1384 Top End Kit Maximize the potential of your Yamaha YZ250F or WR250F with the Wiseco PK1384 Top End Kit, a premium solution engineered for peak performance and reliability. Whether you ride for competition or off-roading adventures, this kit...09030558- SKU:
- 09030558
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 76.95 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 53.60 MM
$344.95Qty in Cart: 0Quantity:Price:$344.95Subtotal: -
WISECO Piston Kit with Gaskets PK1401
WISECO
$299.95Wiseco PK1401 Top End Kit Unlock the full potential of your Yamaha WR250F or YZ250F with the Wiseco PK1401 Top End Kit, expertly crafted to deliver unbeatable strength, precision, and performance. Designed for serious enthusiasts and competitive riders,...09030559- SKU:
- 09030559
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PISTON DIAMETER METRIC:
- 76.95 MM
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 53.60 MM
$299.95Qty in Cart: 0Quantity:Price:$299.95Subtotal: -
WISECO Piston Kit - Standard - Z50R 4828M03900
WISECO
$119.95Wiseco 4828M03900 High-Performance Piston Kit Enhance your Honda Z50R’s performance with the Wiseco 4828M03900 High-Performance Piston Kit, precision-engineered to deliver unmatched durability, strength, and power. Whether you're restoring or...09100738- SKU:
- 09100738
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 41.40 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 39.00 MM
- DISPLACEMENT:
- 49,50 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$119.95 -
WISECO Piston Kit - Sea Doo - 650 - .040 WK1118
WISECO
$399.95Wiseco WK1118 2-Stroke Watercraft Piston Kit Unleash the true power of your Sea-Doo watercraft with the Wiseco WK1118 2-Stroke Watercraft Piston Kit. Engineered for superior durability and high-performance efficiency, this kit offers everything you need...WK1118- SKU:
- WK1118
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
- BORE SIZE METRIC:
- 79.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 73.90 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 666 CC
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
$399.95 -
WISECO Piston Kit - Sea Doo - 950 - .040 WK1213
WISECO
$469.95Wiseco WK1213 2-Stroke Watercraft Piston Kit Elevate the performance of your Sea-Doo GTX watercraft with the Wiseco WK1213 2-Stroke Watercraft Piston Kit, engineered for maximum durability, precision, and power. Designed for watercraft enthusiasts...WK1213- SKU:
- WK1213
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 971 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 89.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- PISTON DIAMETER METRIC:
- 88.90 MM
- PRODUCT NAME:
- REBUILD KIT
$469.95 -
WISECO Piston Kit - Kawasaki - 750 - Standard WK1241
WISECO
$389.95Wiseco High-Performance Piston Kit WK1241 Forged from high-silicone bar stock for enhanced durability. Designed to withstand high temperatures with minimal expansion. Complete kits include pistons, rings, wrist pins, circlips, and top-end...WK1241- SKU:
- WK1241
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- DISPLACEMENT:
- 743 CC
- PISTON DIAMETER METRIC:
- 79.89 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE SIZE METRIC:
- 80.00 MM
- PRODUCT NAME:
- REBUILD KIT
$389.95Qty in Cart: 0Quantity:Price:$389.95Subtotal: -
WISECO Piston Kit - Kawasaki - 750 - .050" WK1242
WISECO
$389.95Wiseco WK1242 2-Stroke Watercraft Piston Kit Unlock unparalleled performance for your Kawasaki 750 CC Twin Cylinder watercraft with the Wiseco WK1242 2-Stroke Watercraft Piston Kit. Engineered for exceptional durability and precision, this kit ensures...WK1242- SKU:
- WK1242
- Availability:
- Ships Same Business Day
- Weight:
- 2.69 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 752 CC
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 80.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE:
- +0,50 MM
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 80.39 MM
- PRODUCT NAME:
- REBUILD KIT
$389.95Qty in Cart: 0Quantity:Price:$389.95Subtotal: -
WISECO Piston Kit - Kawasaki 1100 - .050" WK1247
WISECO
$574.95Wiseco WK1247 2-Stroke Watercraft Piston Kit Revitalize your Kawasaki watercraft's engine with the Wiseco WK1247 2-Stroke Watercraft Piston Kit, crafted to deliver unmatched performance, durability, and reliability. Designed with cutting-edge materials...WK1247- SKU:
- WK1247
- Availability:
- Ships Same Business Day
- Weight:
- 3.81 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- +0,50 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 80.50 MM
- PISTON DIAMETER METRIC:
- 80.39 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 1083 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
$574.95 -
WISECO Piston Kit - Yamaha - 1200 - Standard WK1312
WISECO
$594.95Wiseco WK1312 2-Stroke Watercraft Piston Kit Maximize the potential of your Yamaha watercraft with the Wiseco WK1312 2-Stroke Watercraft Piston Kit, a top-tier solution for riders seeking enhanced engine performance, durability, and reliability. Crafted...WK1312- SKU:
- WK1312
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 84.00 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 1131 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 83.87 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$594.95Qty in Cart: 0Quantity:Price:$594.95Subtotal: -
WISECO Piston Kit - Yamaha - 1200 - .050" WK1313
WISECO
$594.95Wiseco WK1313 2-Stroke Watercraft Piston Kit Take your Yamaha watercraft's performance to the next level with the Wiseco WK1313 2-Stroke Watercraft Piston Kit, a premium offering designed for strength, endurance, and unrivaled efficiency. Featuring...WK1313- SKU:
- WK1313
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
- BORE SIZE METRIC:
- 84.50 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE:
- +0,50 MM
- PISTON DIAMETER METRIC:
- 84.37 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 1142 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$594.95 -
On Sale
WISECO Piston Kit - Yamaha - 1200 - 1 mm WK1314
WISECO
MSRP: $581.67Now: $380.00Was: $581.67Wiseco WK1314 2-Stroke Watercraft Piston Kit Unleash the full potential of your Yamaha watercraft with the Wiseco WK1314 2-Stroke Watercraft Piston Kit, a premium solution for boosting durability, strength, and overall engine efficiency. Designed for...WK1314- SKU:
- WK1314
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 1156 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 84.87 MM
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
MSRP: $581.67Now: $380.00Was: $581.67 -
WISECO Piston Kit - Yamaha - 1100 - Standard WK1329
WISECO
$624.95Wiseco WK1329 2-Stroke Watercraft Piston Kit Elevate your Yamaha watercraft's engine performance with the Wiseco WK1329 2-Stroke Watercraft Piston Kit, designed to deliver unmatched strength, durability, and efficiency. Built to the highest standards,...WK1329- SKU:
- WK1329
- Availability:
- Ships Same Business Day
- Weight:
- 4.55 LBS
- PISTON DIAMETER METRIC:
- 80.90 MM
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 1051 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 81.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
$624.95Qty in Cart: 0Quantity:Price:$624.95Subtotal:
