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Search within a riding style, select an option Begin typing to search, when autocomplete results are available use up and down arrows to review and enter to select. Selecting an options will take you to a new page. Touch device users, explore by touch.
My Ride: 2005 Yamaha RAPTOR 660
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ATV Engine Parts

Applied Refinements
Fitment Category
Brand
Color
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204 Results

Exact Fit
New
$74 Fast cash

Vertex
Complete Rebuild Kit
$1118.56
Sale
Save 15%
4.5 out of 5 stars (95) reviews
Exact Fit
$27 Fast cash

Wiseco
Complete Crank Kit
$599.99
Sale
Save 10%
4 out of 5 stars (64) reviews
Exact Fit
New
$7 Fast cash

Vertex
Top End Gasket Kit
$73.86
Sale
Save 5%
5 out of 5 stars (16) reviews

NGK
Offroad Spark Plug
$4.28 - $24.69
Sale
Save 10%
5 out of 5 stars (67) reviews
Exact Fit
$2 Fast cash

Turner Performance Products
Complete Performance Clutch Kit
$65.62
Sale
Save 25%
3.5 out of 5 stars (5) reviews
Exact Fit
$3 Fast cash

Pro X
Top End Gasket Kit
$75.99
Sale
Save 15%
5 out of 5 stars (2) reviews
Exact Fit
$8 Fast cash

Wiseco
Pro-Lite 4-Stroke Piston
$232.99
Sale
Save 10%
5 out of 5 stars (69) reviews
Exact Fit
New
$43 Fast cash

HOT RODS
Bottom End Kit
$710.56
Sale
Save 15%
Exact Fit
New
$4 Fast cash

All Balls
Carburetor Rebuild Kit
$87.16
Sale
Save 5%
4.5 out of 5 stars (186) reviews
Exact Fit
$9 Fast cash

Hinson
Clutch Fiber, Steel, Spring Kit
$199.99
5 out of 5 stars (102) reviews
Exact Fit
$5 Fast cash

Cometic
Top End Gasket Kit
$85.95
4 out of 5 stars (248) reviews
Exact Fit
$7 Fast cash

EBC
CK Clutch Kit
$106.71
Sale
Save 5%
4.5 out of 5 stars (28) reviews
Exact Fit
$9 Fast cash

Myler's
SuperCool Radiator
$310.00
3.5 out of 5 stars (68) reviews
Exact Fit
$4 Fast cash

Vertex
Water Pump Rebuild Kit
$60.92
Sale
Save 5%
4 out of 5 stars (13) reviews
Exact Fit
$2 Fast cash

Wiseco
Replacement Piston Ring Set
$51.99
Sale
Save 10%
3.5 out of 5 stars (22) reviews
Exact Fit
$4 Fast cash

Wiseco
Gasket Kit - Top End
$105.99
Sale
Save 10%
4 out of 5 stars (11) reviews
Exact Fit
$10 Fast cash

Vertex
Complete Gasket Kit
$167.31
Sale
Save 5%
5 out of 5 stars (8) reviews
Exact Fit
$38 Fast cash

Wiseco
Garage Buddy Complete Engine Rebuild Kit
$979.99
Sale
Save 10%
5 out of 5 stars (3) reviews
Exact Fit
$18 Fast cash

Wiseco
Performance Clutch Kit
$480.99
Sale
Save 10%
4 out of 5 stars (26) reviews
Exact Fit
New
$11 Fast cash

Vertex
4-Stroke Piston
$170.96
Sale
Save 10%
4.5 out of 5 stars (39) reviews
Exact Fit
$3 Fast cash

Wiseco
Cam Chain
$84.99
Sale
Save 13%
5 out of 5 stars (26) reviews
Exact Fit

K&N
Spin-on Oil Filter
$17.99
5 out of 5 stars (80) reviews
Exact Fit
New
$3 Fast cash

HOT RODS
Water Pump Repair Kit
$75.00
Sale
Save 5%
4.5 out of 5 stars (68) reviews
Exact Fit
$2 Fast cash

Kibblewhite
Intake Valve
$54.95
4.5 out of 5 stars (8) reviews
Exact Fit
$5 Fast cash

LA Sleeve
Cylinder Sleeve Standard Bore
$117.95
4 out of 5 stars (7) reviews
Exact Fit
$1 Fast cash

All Balls
Counter Shaft Seal Kit
$29.85
Sale
Save 5%
4 out of 5 stars (73) reviews
Exact Fit
$9 Fast cash

Wiseco
Clutch Pack Kit
$169.99
Sale
Save 10%
4.5 out of 5 stars (149) reviews
Exact Fit
New
$2 Fast cash

HOTCAMS
Cam Chain
$37.56
Sale
Save 33%
5 out of 5 stars (19) reviews
Exact Fit

BikeMaster
Steel Magnetic Oil Drain Plug
$6.99
3 out of 5 stars (40) reviews
Exact Fit
$8 Fast cash

EBC
Dirt Racer Clutch Kit
$161.77
Sale
Save 5%
4 out of 5 stars (126) reviews
Exact Fit
$2 Fast cash

HOT RODS
Countershaft Seal Kit
$34.15
Sale
Save 5%
5 out of 5 stars (5) reviews
Exact Fit
$10 Fast cash

Hinson
Billet Clutch Basket
$259.99
5 out of 5 stars (52) reviews
Exact Fit
New
$8 Fast cash

HOT RODS
Transmission Bearing Kit
$151.57
4.5 out of 5 stars (20) reviews
Exact Fit
$3 Fast cash

Vertex
Oil Seal Kit
$42.56
Sale
Save 5%
5 out of 5 stars (2) reviews
Exact Fit
$15 Fast cash

Athena
Gasket Kit - Complete
$184.99
Sale
Save 10%
4 out of 5 stars (107) reviews
Exact Fit
$7 Fast cash

Pro X
Complete Gasket Set
$189.04
Sale
Save 14%
Exact Fit
$8 Fast cash

Arrowhead
Starter Motor
$94.99
Sale
Save 32%
4.5 out of 5 stars (39) reviews
Exact Fit
$9 Fast cash

Wiseco
Clutch Basket
$260.99
Sale
Save 10%
5 out of 5 stars (62) reviews
Exact Fit
$8 Fast cash

Wiseco
Pro-Lite Piston Kit - 4-Stroke
$315.99
Sale
Save 12%
4.5 out of 5 stars (41) reviews
Exact Fit
$6 Fast cash

Pro X
4-Stroke Piston
$132.99
Sale
Save 15%
3.5 out of 5 stars (5) reviews
Exact Fit
$5 Fast cash

Wiseco
Bottom End Gasket Kit
$119.99
Sale
Save 10%
5 out of 5 stars (5) reviews
Exact Fit
New
$6 Fast cash

HOT RODS
Crank Bearings And Seals Kit
$79.75
Sale
Save 5%
4.5 out of 5 stars (36) reviews
Exact Fit

Moose
Complete Engine Gasket Set
$172.14
4.5 out of 5 stars (7) reviews
Exact Fit
$9 Fast cash

HOTCAMS
Camshaft - Stage 2
$239.96
Sale
Save 33%
4 out of 5 stars (22) reviews
Exact Fit
$2 Fast cash

Pro X
Piston Ring Set
$37.04
Sale
Save 18%
5 out of 5 stars (1) review
Exact Fit
New
$1 Fast cash

Turner Performance Products
Counter Shaft Seal Kit
$29.85
Sale
Save 5%
Exact Fit

Moose
Replacement Carburetor
$179.95
2 out of 5 stars (1) review
Exact Fit

Moose
Zip-Ty Magntic Drain Plug
$23.95
5 out of 5 stars (2) reviews
Exact Fit
$44 Fast cash

HOT RODS
Complete Crank Assembly
$667.80
Sale
Save 5%
4.5 out of 5 stars (118) reviews
Exact Fit

BikeMaster
Oil Filter
$7.99
4.5 out of 5 stars (28) reviews
Exact Fit
$1 Fast cash

Wiseco
Clutch Spring Kit
$34.99
Sale
Save 10%
Exact Fit

RM STATOR
External Ignition Coil With Cap
$19.79
Exact Fit
$6 Fast cash

Big Gun
Rev Box
$166.28
Sale
Save 10%
4 out of 5 stars (26) reviews
Exact Fit
$6 Fast cash

Electrosport
Stator
$152.10
Sale
Save 10%
3 out of 5 stars (18) reviews
Exact Fit

Moose
Stator
$195.95
4 out of 5 stars (10) reviews
Exact Fit
$10 Fast cash

JE Pistons
Pro Series Piston
$329.99
Exact Fit
$4 Fast cash

Electrosport
Regulator/Rectifier
$66.60
Sale
Save 10%
3.5 out of 5 stars (14) reviews
Exact Fit

Moose
Carburetor Repair Kit
$86.81
4.5 out of 5 stars (143) reviews
Exact Fit
$2 Fast cash

Winderosa
Engine Oil Seal Kit
$39.07
Sale
Save 5%
4.5 out of 5 stars (2) reviews
Exact Fit
$8 Fast cash

Wiseco
Friction Plate Set
$109.99
Sale
Save 10%

ATV Engine Parts

Keeping your ATV engine in top condition is essential for both performance and longevity. From routine oil changes to complex repairs like fixing a blown motor, having the right parts is crucial. Whether you ride a 2-stroke or 4-stroke ATV, MotoSport has all the engine parts you need to keep your quad running smoothly and ready to hit the trail or track.

Explore our wide selection of big bore kits, clutch kits, piston kits, and timing plug kits. We also carry replacement gaskets, spark plugs, radiators, and more to handle both minor fixes and major engine overhauls. No matter if you're doing regular maintenance or need parts after an engine failure, you’re in the right place.

Our easy-to-use drop-down menus help you quickly find the exact ATV engine parts for your machine. If you need assistance or advice on upgrades, give us a call at 866-667-6288. Our experts are here to help make your next ride your best ride.