Dirt Bike Engine Covers
Dirt Bike Engine Covers & Clutch Covers for Kawasaki, Honda & Yamaha at JJ Motorsports
Protect your dirt bike's engine internals and improve durability with premium engine covers and clutch covers from JJ Motorsports, precision-machined for perfect fitment, enhanced heat dissipation, and superior impact resistance in motocross, enduro, and trail riding. Our selection includes billet aluminum clutch covers, water pump covers with impellers, and OEM-style replacements designed to safeguard against rocks, debris, and crashes while maintaining oil flow and cooling efficiency. Compatible with top models like Kawasaki KX250F/KX450F, Honda CRF, Yamaha YZ/WR, and more, these high-quality components from trusted brands ensure leak-free sealing, reduced weight, and race-ready performance in dusty, high-speed conditions. Upgrade to billet covers for ultimate strength or impeller-equipped designs for better water circulation—perfect for preventing overheating and extending engine life on every aggressive ride.
Shop brands like Hinson Racing, Moose Racing, and Pro Circuit for race-proven quality. Explore related categories such as dirt bike engine for pistons and gaskets or dirt bike clutch for plates and hubs.
Top Dirt Bike Engine Covers
- Hinson Racing Clutch Cover Kawasaki C663-2102 – Billet aluminum clutch cover for Kawasaki KX250F 2009-2016; hard anodized for durability, improves oil flow, and protects internals from damage.
- Moose Racing Clutch Cover Kawasaki D70-2474MB – Black anodized aluminum clutch cover for Kawasaki KX450F 2009-2018; lightweight design with enhanced sealing for off-road protection.
- Pro Circuit Water Pump Cover with Impeller Kawasaki WPK21250 – Billet water pump cover and impeller kit for Kawasaki KX250F 2021-2023; increases coolant flow by 30% for better engine cooling.
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
-
BOYESEN Clutch Cover - Black CC-10B
BOYESEN
$179.95Set your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough, powder-coated finish resists...09401113- SKU:
- 09401113
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$179.95 -
BOYESEN Clutch Cover - Black CC-06AB
BOYESEN
$95.95Set your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough, powder-coated finish resists...09401110- SKU:
- 09401110
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$95.95 -
BOYESEN Ignition Cover - Gold SC-30M
BOYESEN
$87.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09401108- SKU:
- 09401108
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
$87.95 -
BOYESEN Ignition Cover - Black SC-30B
BOYESEN
$87.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09401107- SKU:
- 09401107
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- TYPE:
- IGNITION
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
$87.95 -
BOYESEN Ignition Cover - Gold SC10AM
BOYESEN
$87.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09401106- SKU:
- 09401106
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- COLOR/FINISH:
- MAGNESIUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
- UNITS:
- EACH
$87.95 -
BOYESEN Ignition Cover - Black SC10AB
BOYESEN
$87.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09401105- SKU:
- 09401105
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
$87.95 -
BOYESEN Ignition Cover - Gold SC-10DM
BOYESEN
$87.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09401104- SKU:
- 09401104
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- TYPE:
- IGNITION
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
$87.95 -
BOYESEN Ignition Cover - Black SC-10DB
BOYESEN
$87.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09401103- SKU:
- 09401103
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
$87.95 -
BOYESEN Clutch Cover - Black - KX250 CC-12CB
BOYESEN
$95.95Set your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough, powder-coated finish resists...09400389- SKU:
- 09400389
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- COLOR/FINISH:
- BLACK
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- COLOR/FINISH:
- POWDER-COATED
- UNITS:
- EACH
- PRODUCT NAME:
- COVER
$95.95 -
BOYESEN Ignition Cover - Gold - YZ125 SC-33AM
BOYESEN
$87.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09400384- SKU:
- 09400384
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
$87.95 -
BOYESEN Ignition Cover - Black - YZ125 SC-33AB
BOYESEN
$87.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09400383- SKU:
- 09400383
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- IGNITION
$87.95 -
BOYESEN Ignition Cover - Gold - KX250 SC-12AM
BOYESEN
$87.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09400381- SKU:
- 09400381
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
$87.95 -
BOYESEN Ignition Cover - Black - XR/CRF50/70 SC-05B
BOYESEN
$109.95Look like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and are strong yet lightweight,...09400377- SKU:
- 09400377
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
- RIDING STYLE:
- STREET
$109.95 -
BOYESEN Clutch Cover - Gold - WR/YZ450 CC-38M
BOYESEN
$95.95Set your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough, powder-coated finish resists...09400239- SKU:
- 09400239
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- UNITS:
- EACH
- PRODUCT NAME:
- COVER
$95.95 -
BOYESEN Clutch Cover - Black - WR450 CC-38B
BOYESEN
$95.95Set your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough, powder-coated finish resists...09400238- SKU:
- 09400238
- Availability:
- Ships Same Business Day
- Weight:
- 0.87 LBS
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$95.95 -
BOYESEN Clutch Cover - Gold - YZ250 CC-32AM
BOYESEN
$95.95Set your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough, powder-coated finish resists...09400236- SKU:
- 09400236
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- COLOR/FINISH:
- MAGNESIUM
$95.95 -
Rekluse Clutch Cover Sherco 250 SE-R 2018-2025 RMS-0408001
REKLUSE
$189.00Elevate your riding experience with the REKLUSE Clutch Cover, meticulously crafted for the Sherco 250 and 300 models. This premium component combines cutting-edge design with robust materials, ensuring exceptional performance and reliability on any...09401979- SKU:
- 09401979
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$189.00 -
Rekluse Clutch Cover Beta 350 RR 2020-2025 RMS-0402028
REKLUSE
$189.00Elevate your riding experience with the REKLUSE Clutch Cover, meticulously crafted for exceptional durability and performance. Designed to withstand the toughest terrains, this cover not only enhances your bike's aesthetics but also its functionality,...09401943- SKU:
- 09401943
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- RIDING STYLE:
- STREET
$189.00 -
Rekluse Clutch Cover GasGas EC 250 2018-2019 RMS-300
REKLUSE
$189.00Elevate your riding experience with the REKLUSE Clutch Cover, expertly crafted for the GasGas 250/300 models. Designed for ultimate performance and resilience, this cover withstands the rigors of off-road adventures while enhancing the aesthetics of your...09401777- SKU:
- 09401777
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$189.00 -
Rekluse Clutch Cover GasGas EC 200 2000-2011 RMS-302
REKLUSE
$189.00Elevate your riding experience with the REKLUSE Clutch Cover, meticulously crafted for the GasGas 200, 250, and 300 models. Designed for riders who demand both performance and style, this cover stands resilient against the toughest terrains, ensuring...09401778- SKU:
- 09401778
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- UNITS:
- EACH
$189.00