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.
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Wossner Piston Kit Honda CRF450R 2017-2025 95.95mm 13.5:1 8936DA
WOSSNER
$204.00WOSSNER Piston Kit for Honda CRF 450 R Standard 8936DA Enhance your Honda CRF 450 R's performance with the WOSSNER Piston Kit, meticulously engineered for optimal efficiency and durability. This high-quality piston kit combines advanced materials and...09106157- SKU:
- 09106157
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 95.95 MM
$204.00 -
Wossner Piston Ring Set KTM 450 EXC-F 2012-2025 RIK95.00
WOSSNER
$48.50WOSSNER Piston Ring Set KTM/Husaberg RIK95.00 Enhance your engine's performance with the WOSSNER Piston Ring Set, specifically designed for KTM and Husaberg models. This high-quality replacement ring set ensures optimal sealing and longevity, allowing...09120860- SKU:
- 09120860
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- PISTON RING SET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 95.00 MM
- RIDING STYLE:
- STREET
$48.50Qty in Cart: 0Quantity:Price:$48.50Subtotal: -
Wossner Piston Ring Set Honda CRF450R 2005-2020 Kawasaki KX450F 2006-2018 RIK96.00E
WOSSNER
$48.50WOSSNER Piston Ring Set for Honda/Kawasaki RIK96.00E Enhance the performance of your engine with the WOSSNER Piston Ring Set, specifically designed for Honda and Kawasaki models. This replacement ring set ensures optimal sealing and efficiency, allowing...09120861- SKU:
- 09120861
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- PISTON RING SET
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON SIZE METRIC:
- 95.96 MM
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 96.00 MM
- PISTON SIZE METRIC:
- 95.97 MM
$48.50 -
Wossner Piston Ring Set Yamaha YZ450F 2020-2025 RIK97.00
WOSSNER
$48.50WOSSNER Piston Ring Set KTM/Yamaha RIK97.00 Enhance your engine's performance with the WOSSNER Piston Ring Set, specifically designed for KTM and Yamaha models. This replacement ring set ensures optimal sealing and compression, maximizing power output...09120862- SKU:
- 09120862
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 97.00 MM
- PRODUCT NAME:
- PISTON RING SET
$48.50 -
Wossner Piston Ring Set KTM 250 SX-F 2006-2012 TPR76.00
WOSSNER
$38.50WOSSNER Piston Ring Set KTM TPR76.00 Upgrade your engine's performance with the WOSSNER Piston Ring Set designed specifically for KTM models. This replacement ring set ensures optimal sealing and enhances the efficiency of your engine, providing improved...09120863- SKU:
- 09120863
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON RING SET
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BORE SIZE METRIC:
- 76.00 MM
$38.50Qty in Cart: 0Quantity:Price:$38.50Subtotal: -
WSM Power Valve Rubber Boot 010-495-05
WSM
$17.65WSM Power Valve Rubber Boot 010-495-05Fine tunes exhaust for peak performance09500473- SKU:
- 09500473
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- POWER VALVE
- UNITS:
- EACH
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- BOOT
$17.65 -
WSM Power Valve Piston 010-495-10
WSM
$15.56WSM Power Valve Piston 010-495-10Fine tunes exhaust for peak performance09500474- SKU:
- 09500474
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- PISTON
- TYPE:
- POWER VALVE
- UNITS:
- EACH
$15.56 -
MOOSE RACING Crankcase Bearing and Seal Kit 24-1022
MOOSE RACING
$53.95MOOSE RACING Crankcase Bearing and Seal Kit 24-1022Precision crank bearings, Kits contain right and left crankshaft bearings; 2-stroke kits contain outer seals, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines,...A241022- SKU:
- A241022
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- CRANK
$53.95 -
MOOSE RACING Crank Bearing - KDX/JR50 24-1067
MOOSE RACING
$43.95MOOSE RACING Crank Bearing KDX/JR50 24-1067Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240102- SKU:
- 09240102
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- STREET
$43.95Qty in Cart: 0Quantity:Price:$43.95Subtotal: -
MOOSE RACING Washer/Snap Ring Counter Shaft 25-6012
MOOSE RACING
$26.95MOOSE RACING Washer/Snap Ring Counter Shaft 25-6012Always have the countershaft lock-washers and snap rings on hand for a front sprocket replacement09350492- SKU:
- 09350492
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SNAP RING
- APPLICATION:
- COUNTERSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 10 PACK
$26.95 -
Twin Air Oil Filter Yamaha WR250F WR250R WR250X WR450F YZ250F YZ250FX YZ450F YZ450FX 140017
TWIN AIR
$11.95Twin Air Oil Filter 140017 The Twin Air Oil Filter 140017 is meticulously designed to enhance the performance and longevity of Yamaha motorcycles. With its advanced filtration technology and robust construction, this filter ensures your engine runs...140017- SKU:
- 140017
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- ATV
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- OIL FILTER
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- STANDARD
$11.95 -
PROX Valveshim - 10.00 x 2.60 - 5 pack 29.100260
PROX
$9.95PROX Valveshim 10.00 x 2.60 5 pack 29.100260Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09261005- SKU:
- 09261005
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHIM KIT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.60 MM
$9.95 -
PROX Valveshim - 10.00 x 2.65 - 5 pack 29.100265
PROX
$9.95PROX Valveshim 10.00 x 2.65 5 pack 29.100265Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09261006- SKU:
- 09261006
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- VALVE
- PRODUCT NAME:
- SHIM KIT
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.65 MM
- RIDING STYLE:
- OFF-ROAD
$9.95 -
PROX Valveshim - 10.00 x 2.70 - 5 pack 29.100270
PROX
$9.95PROX Valveshim 10.00 x 2.70 5 pack 29.100270Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09261007- SKU:
- 09261007
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.70 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM KIT
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
$9.95 -
PROX Valveshim - 10.00 x 2.75 - 5 pack 29.100275
PROX
$9.95PROX Valveshim 10.00 x 2.75 5 pack 29.100275Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09261008- SKU:
- 09261008
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- VALVE SHIM THICKNESS METRIC:
- 2.75 MM
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$9.95 -
PROX Valveshim - 10.00 x 2.80 - 5 pack 29.100280
PROX
$9.95PROX Valveshim 10.00 x 2.80 5 pack 29.100280Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09261009- SKU:
- 09261009
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.80 MM
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$9.95 -
PROX Valveshim - 10.00 x 2.85 - 5 pack 29.100285
PROX
$9.95PROX Valveshim 10.00 x 2.85 5 pack 29.100285Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09261010- SKU:
- 09261010
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.85 MM
- PRODUCT NAME:
- SHIM KIT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
$9.95 -
PROX Valveshim - 10.00 x 2.90 - 5 pack 29.100290
PROX
$9.95PROX Valveshim 10.00 x 2.90 5 pack 29.100290Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09261011- SKU:
- 09261011
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- PRODUCT NAME:
- SHIM KIT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.90 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
$9.95 -
PROX Valveshim - 10.00 x 2.95 - 5 pack 29.100295
PROX
$9.95PROX Valveshim 10.00 x 2.95 5 pack 29.100295Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09261012- SKU:
- 09261012
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.95 MM
$9.95 -
PROX Valveshim - 10.00 x 3.00 - 5 pack 29.100300
PROX
$9.95PROX Valveshim 10.00 x 3.00 5 pack 29.100300Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09261013- SKU:
- 09261013
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 3.00 MM
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
$9.95
