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
-
MOOSE RACING Oil Pump Cover - KTM/Husky T04-5103B
MOOSE RACING
$32.95Protecting your engine's oil system while managing thermal stress is critical for sustained performance on the track or trail. The MOOSE RACING Oil Pump Cover replaces factory plastic components with...09401938- SKU:
- 09401938
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- MATERIAL:
- 6061 T-6 ALUMINUM
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- MACHINED
- TYPE:
- OIL PUMP
- UNITS:
- EACH
$32.95 -
MOOSE RACING Oil Filter Cover - Yamaha T14-4300GB
MOOSE RACING
$42.95Engine oil temperature management directly impacts performance consistency and component longevity, especially in high-demand racing applications. The MOOSE RACING Oil Filter Cover replaces stock...09401939- SKU:
- 09401939
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- MACHINED
- TYPE:
- OIL FILTER
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- MATERIAL:
- 6061 T-6 ALUMINUM
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
$42.95Qty in Cart: 0Quantity:Price:$42.95Subtotal: -
ACERBIS X-Power Cover Kit - Black - KTM/Husqvarna 2726840001
ACERBIS
$69.95Protect your engine investment from the rigors of off-road riding with the ACERBIS X-Power Cover Kit. Dirt, debris, and impacts pose constant threats to exposed crankcase and clutch covers—this kit...09401766- SKU:
- 09401766
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- X-POWER
- UNITS:
- KIT
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
$69.95 -
ACERBIS X-Power Cover Kit - Black - Honda 2791950001
ACERBIS
$69.95Engine casings are vulnerable to mud, rocks, and debris—especially in off-road and trail conditions where protection matters most. The ACERBIS X-Power Cover Kit shields both your crankcase and...09401891- SKU:
- 09401891
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MODEL:
- X-POWER
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- ENGINE
- PRODUCT NAME:
- COVER
- PRODUCT NAME:
- COVER KIT
$69.95 -
ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2731970002
ACERBIS
$63.95Protect your engine from track debris and impacts without compromising airflow or serviceability. The ACERBIS X-Power Cover Kit combines durable construction with direct bolt-on installation using...09401762- SKU:
- 09401762
- Availability:
- Ships Same Business Day
- Weight:
- 1.41 LBS
- COLOR/FINISH:
- WHITE
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$63.95 -
ACERBIS X-Power Cover Kit - Orange - KTM/Husqvarna 2645515226
ACERBIS
$69.95If you're riding hard on the trails or track, your engine cases take a beating from flying rocks, roost, and impact damage that can lead to costly repairs. The ACERBIS X-Power Cover Kit shields your...09401763- SKU:
- 09401763
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- COLOR/FINISH:
- ORANGE
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- PLASTIC
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
$69.95 -
ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2645510002
ACERBIS
$67.95Protect your engine's critical components from the punishment of trail riding and racing. The ACERBIS X-Power Cover Kit shields your crankcase and ignition/clutch cover from flying debris, mud, and...09401765- SKU:
- 09401765
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- WHITE
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
$67.95Qty in Cart: 0Quantity:Price:$67.95Subtotal: -
ACERBIS X-Power Cover Kit - Black - KTM/Husqvarna 2645510001
ACERBIS
$76.95If you're running your KTM or Husqvarna hard in dusty conditions or tight terrain, engine cover damage means costly repairs and downtime. The ACERBIS X-Power Cover Kit shields your crankcase and...09401764- SKU:
- 09401764
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- PLASTIC
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
$76.95 -
MOOSE RACING Clutch Cover - Kawasaki 250 D70-2423MB
MOOSE RACING
$152.95The stock clutch cover on your Kawasaki 250 is vulnerable to heat damage and impact stress during aggressive riding or racing. This MOOSE Racing clutch cover upgrades you to aircraft-grade aluminum...09401857- SKU:
- 09401857
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- COVER
$152.95 -
MOOSE RACING Clutch Cover - Kawasaki 450 D70-2424MB
MOOSE RACING
$152.95The stock clutch cover on your Kawasaki 450 is vulnerable to heat damage and potential failure under aggressive riding conditions. This MOOSE RACING replacement upgrades you to aircraft-grade...09401858- SKU:
- 09401858
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- CLUTCH
- PRODUCT NAME:
- COVER
$152.95 -
On Sale
MOOSE RACING Clutch Cover - Kawasaki 450 D70-2425MB
MOOSE RACING
MSRP: $156.95Now: $100.00Was: $156.95Your stock clutch cover is the weak link in high-stress riding conditions. The MOOSE RACING clutch cover replaces it with aircraft-grade aluminum construction that runs cooler, lasts longer, and...09401859- SKU:
- 09401859
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- COVER
MSRP: $156.95Now: $100.00Was: $156.95 -
MOOSE RACING Clutch Cover - Suzuki 250Z D70-3421MB
MOOSE RACING
$157.95Your clutch cover endures extreme thermal and mechanical stress during aggressive riding—the OEM unit simply wasn't engineered for sustained high-performance use. This MOOSE RACING cover replaces...09401860- SKU:
- 09401860
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$157.95 -
MOOSE RACING Clutch Cover - Yamaha 250F D70-4475MB
MOOSE RACING
$159.95The stock clutch cover on your YZ250F takes a beating—especially in high-RPM racing conditions where heat and impact are constant threats. This MOOSE RACING clutch cover replaces that vulnerable OEM...09401865- SKU:
- 09401865
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$159.95 -
MOOSE RACING Clutch Cover - Yamaha 450F D70-4421MB
MOOSE RACING
$157.95The stock clutch cover on your Yamaha 450F is a potential weak point under sustained racing loads and high operating temperatures. This MOOSE RACING replacement upgrades you to aircraft-grade...09401866- SKU:
- 09401866
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$157.95 -
MOOSE RACING Ignition Cover - Yamaha 450F D70-4474MB
MOOSE RACING
$269.95Your stock ignition cover is a weak point in your engine's thermal management and structural integrity. Moose Racing's billet aircraft-grade aluminum replacement handles the heat your 450F generates...09401867- SKU:
- 09401867
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BASE COLOR:
- BLACK
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- COVER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
$269.95 -
On Sale
Pro Circuit Oil Filter Cover for Kawasaki KX450F 2016-2025 PC4009-0015
PRO CIRCUIT
MSRP: $39.95Now: $35.96Was: $39.95Upgrade your KX450F with the PRO CIRCUIT Oil Filter Cover, crafted from premium aircraft-grade aluminum for unparalleled durability and performance. Its stunning mirror finish, combined with an...09401492- SKU:
- 09401492
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OIL FILTER
- COLOR/FINISH:
- MIRROR
MSRP: $39.95Now: $35.96Was: $39.95 -
ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2726840002
ACERBIS
$67.95Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...09401768- SKU:
- 09401768
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
- COLOR/FINISH:
- WHITE
- MODEL:
- X-POWER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$67.95 -
ACERBIS X-Power Cover Kit - Black - KTM/Husqvarna 2732130001
ACERBIS
$69.95Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...09401769- SKU:
- 09401769
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- TYPE:
- ENGINE
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- X-POWER
- UNITS:
- KIT
$69.95 -
ACERBIS X-Power Cover Kit - Orange - KTM/Husqvarna 2732135226
ACERBIS
$67.95Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...09401770- SKU:
- 09401770
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- PRODUCT NAME:
- COVER
- COLOR/FINISH:
- ORANGE
- MODEL:
- X-POWER
- TYPE:
- ENGINE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$67.95Qty in Cart: 0Quantity:Price:$67.95Subtotal: -
ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2732130002
ACERBIS
$63.95Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...09401771- SKU:
- 09401771
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- PRODUCT NAME:
- COVER
- MATERIAL:
- PLASTIC
- COLOR/FINISH:
- WHITE
- MODEL:
- X-POWER
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$63.95Qty in Cart: 0Quantity:Price:$63.95Subtotal:
