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!
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MOOSE OFFROAD Oil Filter Cover - Husqvarna/KTM T14-5302GB
MOOSE OFFROAD
$32.95Oil Filter Cover - Husqvarna/KTM CNC Machined covers made from 6061 T6 Aluminum, Black anodized finish for added looks and appeal, Aluminum cover helps dissipate added heat from engine oil, Light weight and durable design09402009- SKU:
- 09402009
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$32.95 -
REKLUSE Clutch Cover - Gas Gas/Husqvarna/KTM RMS-0413065
REKLUSE
$189.00Clutch Cover - Gas Gas/Husqvarna/KTM Specifically engineered to provide unparalleled durability and performance in a single, stylish component, Ready to ride whenever you are, standing up against rocks, logs, boots and whatever else you may encounter in...09402216- SKU:
- 09402216
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
$189.00 -
Hinson Racing Clutch Cover Kawasaki KX450 2021-2023 C663-2102
HINSON RACING
$169.99Upgrade your Kawasaki's performance with our premium Clutch Cover, designed for superior heat dissipation and enhanced durability. Crafted from high-quality billet T-6 aircraft aluminum, this race-proven component ensures your bike operates at its best...09402038- SKU:
- 09402038
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.99 -
Rekluse Clutch Cover Gas Gas EC 450F 2025 RMS-385
REKLUSE
$189.00Introducing the ultimate Clutch Cover for Husqvarna, Gas Gas, and KTM motorcycles, designed to elevate your riding experience with unmatched strength and style. Crafted from premium billet aluminum, this cover not only enhances the aesthetics of your...09402039- SKU:
- 09402039
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
$189.00 -
MOOSE RACING Water Pump Cover - Black - Gas Gas/Husqvarna I04-5259B
MOOSE RACING
$88.95Water Pump Cover - Black - Gas Gas/Husqvarna Made from machined 6061 Billet Aluminum for that factory racing look, Provides added durability over the stock cast OEM covers, Uses stock impeller to reduce overall cost of other expensive aftermarket covers,...09402049- SKU:
- 09402049
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$88.95 -
MOOSE RACING Clutch Cover - Kawasaki D70-2474MB
MOOSE RACING
$179.95Clutch Cover - Kawasaki Made from machined bullet aircraft-quality aluminum for added strength, Stronger than OEM cover, Dissipates heat better than OEM cover, Hard-coated finish for long-lasting durability09402037- SKU:
- 09402037
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$179.95 -
On Sale
Pro Circuit Water Pump Cover with Impeller for Kawasaki KX250 2021-2024 WPK21250
PRO CIRCUIT
MSRP: $239.95Now: $211.16Was: $239.95Enhance your water pump's efficiency with our premium Water Pump Cover featuring a precision-engineered impeller. Crafted from CNC-machined billet aluminum, this cover combines strength and lightweight design to ensure long-lasting performance...09402061- SKU:
- 09402061
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
MSRP: $239.95Now: $211.16Was: $239.95 -
Rekluse Clutch Cover Honda CRF450R 2019-2025 RMS-0401002
REKLUSE
$189.00Introducing our premium Clutch Cover for Honda motorcycles, meticulously designed to elevate your riding experience. Crafted from high-strength billet aluminum, this cover not only enhances durability but also adds a sleek touch to your bike. With its...09402050- SKU:
- 09402050
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
$189.00 -
Rekluse Clutch Cover Honda CRF450R 2019-2026 RMS-0401002
REKLUSE
$189.00Introducing our premium Clutch Cover for Honda motorcycles, meticulously designed to elevate your riding experience. Crafted from high-strength billet aluminum, this cover not only enhances durability but also adds a sleek touch to your bike. With its...09402103- SKU:
- 09402103
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
$189.00 -
MOOSE RACING Water Pump Cover - Black - KTM I04-5260B
MOOSE RACING
$99.95Water Pump Cover - Black - KTM Made from machined 6061 Billet Aluminum for that factory racing look, Provides added durability over the stock cast OEM covers, Uses stock impeller to reduce overall cost of other expensive aftermarket covers, Comes with...09402048- SKU:
- 09402048
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
$99.95 -
MOOSE RACING TPS Cover - Gas Gas/Husqvarna/KTM T21-5801B
MOOSE RACING
$39.95TPS Cover - Gas Gas/Husqvarna/KTM Provides protection to the throttle position sensor on 2 -stroke motorcycles, Replaces the stock plastic OEM cover with a more durable T6061-T6 aluminum cover, Black anodized finish with Moose Racing logo09402047- SKU:
- 09402047
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
$39.95 -
MOOSE RACING Throttle Body Guard - Gas Gas/Husqvarna/KTM 27-1323
MOOSE RACING
$42.95Throttle Body Guard - Gas Gas/Husqvarna/KTM Machined from T6160-T6 aluminum and to fit Husqvarna 2-stroke bikes with throttle body fuel injection systems, Guard comes low enough to protect all the electrical connections that are located at the bottom of...09402104- SKU:
- 09402104
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$42.95 -
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
$76.95X-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
$76.95 -
ACERBIS X-Power Kit - Black - Gas Gas/Husqvarna/KTM 2979430001
ACERBIS
$76.95X-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
$76.95 -
ACERBIS X-Power Kit - Orange - Gas Gas/Husqvarna/KTM 2979435226
ACERBIS
$76.95X-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
$76.95 -
ACERBIS X-Power Kit - Black - Yamaha 2976170001
ACERBIS
$76.95X-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
$76.95 -
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 -
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
