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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Cylinder Works Standard Bore Cylinder 77mm Yamaha YZ250F 2019 CW20013
CYLINDER WORKS
$364.95Upgrade your Yamaha with our high-performance 77.00 mm cylinder, designed for effortless installation and optimal performance. This direct bolt-on replacement mirrors the original equipment manufacturer (OEM) specifications, ensuring a seamless fit and...09311117- SKU:
- 09311117
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
$364.95 -
Cylinder Works Standard Bore Cylinder Kit 77mm Yamaha YZ250F 2019-2022 CW20013K01
CYLINDER WORKS
$608.95Upgrade your Yamaha's performance with our Standard Bore Cylinder Kit, designed for effortless installation and optimal durability. Crafted to match OEM specifications, this kit includes high-quality Vertex pistons that enhance engine efficiency while...09311118- SKU:
- 09311118
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
$608.95 -
ACERBIS X-Power Kit - Blue - Husqvarna/KTM 2977605226
ACERBIS
$69.95X-Power Kit - Blue - 2977605226 Durable crankcase and ignition/clutch covers designed for Husqvarna and KTM models. Offers robust protection against wear from boots, impacts, dirt, and mud. Right side cover shields the clutch cover, water...05052351- SKU:
- 05052351
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$69.95 -
ACERBIS X-Power Kit - Blue - Husqvarna/KTM 2977600003
ACERBIS
$69.95X-Power Kit - Blue - 2977600003 Durable motor crankcase and ignition/clutch covers for enhanced protection. Shield against wear from boots, impacts, dirt, mud, and debris. Right side protection for the clutch cover, water pump, and lower...05052352- SKU:
- 05052352
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$69.95 -
ACERBIS X-Power Kit - Black - Husqvarna/KTM 2977600001
ACERBIS
$69.95X-Power Kit - Black - Husqvarna/KTM Motor Crankcase and Ignition/Clutch covers that protect against wear from boots, impacts, dirt, mud, and other debris, Right side: provides protection for the clutch cover, water pump, and lower casing, Left side:...05052353- SKU:
- 05052353
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$69.95 -
ACERBIS X-Power Kit - Black - Gas Gas/Husqvarna/KTM 2979430001
ACERBIS
$69.95X-Power Kit - Black - Gas Gas/Husqvarna/KTM Motor Crankcase and Ignition/Clutch covers that protect against wear from boots, impacts, dirt, mud, and other debris, Right side: provides protection for the clutch cover, water pump, and lower casing, Left...05052354- SKU:
- 05052354
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
$69.95 -
ACERBIS X-Power Kit - Orange - Gas Gas/Husqvarna/KTM 2979435226
ACERBIS
$69.95X-Power Kit - Orange - Gas Gas/Husqvarna/KTM Motor Crankcase and Ignition/Clutch covers that protect against wear from boots, impacts, dirt, mud, and other debris, Right side: provides protection for the clutch cover, water pump, and lower casing, Left...05052356- SKU:
- 05052356
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$69.95 -
ACERBIS X-Power Kit - Black - Yamaha 2976170001
ACERBIS
$69.95X-Power Kit - Black - Yamaha Motor Crankcase and Ignition/Clutch covers that protect against wear from boots, impacts, dirt, mud, and other debris, Right side: provides protection for the clutch cover, water pump, and lower casing, Left side: provides...05052357- SKU:
- 05052357
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$69.95 -
Rekluse Clutch Cover Yamaha YZ450F 2023-2025 RMS-0407176
REKLUSE
$189.00Experience unmatched durability and performance with our Yamaha Clutch Cover, designed for the adventurous rider. Engineered from high-quality billet aluminum, this clutch cover not only enhances your bike's aesthetics but also stands resilient against...09402115- SKU:
- 09402115
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
$189.00 -
MOOSE RACING Gasket Material - Green - 2 Pack - .032" 403-5011
MOOSE RACING
$34.29Gasket Material - Green - 2 Pack - .032" Comes with two sheets of gasket material * 11.5* wide x 15.5* long, Material is premium compressed sheet, manufactured with aramid and other synthetic fibers and uses an NBR (Nitrile Butadiene Rubber) binder,...09347527- SKU:
- 09347527
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$34.29 -
Hinson Racing Clutch Cover Yamaha YZ450F 2023-2024 C616-2301
HINSON RACING
$189.99Enhance your Yamaha's performance with our premium Clutch Cover, engineered for optimal heat dissipation and durability. Crafted from precision-machined billet T-6 aircraft-quality aluminum, this clutch cover is race-tested to withstand the toughest...09402114- SKU:
- 09402114
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$189.99 -
Wossner 55 mm Piston Kit for Yamaha YZ125 2022-2025 8321D100
WOSSNER
$132.00Upgrade your Yamaha's performance with our high-quality 54.95 mm Piston Kit, designed for optimal efficiency and durability. Crafted from aerospace-grade aluminum alloy, this piston kit ensures reduced friction and noise, enhancing your riding experience...09106617- SKU:
- 09106617
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$132.00 -
Wossner Piston Kit 55.95 mm Yamaha YZ125 2022-2025 8321D200
WOSSNER
$152.00Enhance your Yamaha's performance with our premium Piston Kit, designed for superior efficiency and durability. Crafted from aerospace-grade aluminum alloy, this piston kit ensures optimal power delivery while minimizing friction and noise. Experience a...09106618- SKU:
- 09106618
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
$152.00 -
Wossner Piston Kit 57.95mm Yamaha YZ125 2022-2023 8321D400
WOSSNER
$152.00Enhance your Yamaha's performance with our high-quality Piston Kit, designed for precision and durability. Crafted from aerospace-grade aluminum alloy, this kit ensures optimal power delivery while minimizing friction and noise. Experience improved...09106619- SKU:
- 09106619
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$152.00 -
Wossner Piston Kit 71.94mm KTM 300 EXC 2006-2024 8327DA
WOSSNER
$192.00Upgrade your motorcycle's performance with our high-quality Piston Kit, designed specifically for KTM, Husqvarna, and Gas Gas models. Engineered for optimal efficiency, this piston kit enhances power delivery while minimizing friction for a quieter,...09106620- SKU:
- 09106620
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$192.00 -
Wossner Piston Kit 71.95mm KTM 300 EXC 2023 8327DB
WOSSNER
$192.00Experience enhanced performance and durability with our high-quality 71.95 mm Piston Kit, designed specifically for KTM, Husqvarna, and Gas Gas motorcycles. Each piston is engineered with a permanent skirt coating to minimize friction and reduce piston...09106621- SKU:
- 09106621
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$192.00 -
Wossner Piston Kit 71.96mm Husqvarna TE 300i 2018-2023 8327DC
WOSSNER
$192.00Enhance your motorcycle's performance with our premium Piston Kit, designed specifically for KTM, Husqvarna, and Gas Gas models. Crafted with precision, this piston kit ensures reduced friction and minimized piston rock, delivering a quieter ride and...09106622- SKU:
- 09106622
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$192.00 -
Wossner Piston Kit 46.95 mm KTM 85 SX 2003-2025 8328DA
WOSSNER
$132.00Enhance your motorcycle's performance with our premium 46.95 mm piston kit, designed specifically for KTM, Husqvarna, and Gas Gas models. Crafted from aerospace-grade aluminum alloy, this piston kit ensures durability and efficiency, providing a smoother...09106623- SKU:
- 09106623
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$132.00 -
Wossner Piston Kit 46.96mm KTM 85 SX 2003-2025 8328DB
WOSSNER
$132.00Enhance your motorcycle's performance with our premium 46.96 mm piston kit, designed specifically for KTM, Husqvarna, and Gas Gas models. Crafted from aerospace-grade aluminum alloy, this piston kit combines durability with lightweight design, ensuring...09106624- SKU:
- 09106624
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$132.00 -
Wossner Piston Kit 46.97mm KTM 85 SX 17/14 2003-2025 8328DC
WOSSNER
$132.00Upgrade your ride with our premium Piston Kit designed specifically for KTM, Husqvarna, and Gas Gas motorcycles. Engineered for peak performance, this kit features advanced materials and design elements that enhance durability and efficiency. Experience...09106625- SKU:
- 09106625
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
$132.00
