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My Ride: 2016 Yamaha YFZ450R
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ATV Engine Parts

Applied Refinements
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238 Results

Exact Fit
$7 Fast cash

Vertex
Top End Gasket Kit
$76.67
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 (66) reviews
Exact Fit
$52 Fast cash

Vertex
Complete Rebuild Kit
$1030.16
Sale
Save 15%
4.5 out of 5 stars (95) reviews
Exact Fit

K&N
Cartridge Oil Filter
$11.99
4.5 out of 5 stars (145) reviews
Exact Fit
$2 Fast cash

HOTCAMS
Cam Chain
$31.96
Sale
Save 32%
5 out of 5 stars (18) reviews
Exact Fit
New
$5 Fast cash
Colors for Boyesen Clutch Cover
+2 more

Boyesen
Clutch Cover
$91.15
Sale
Save 5%
4.5 out of 5 stars (126) reviews
Exact Fit
$8 Fast cash

Wiseco
Pro-Lite 4-Stroke Piston
$219.99
Sale
Save 10%
5 out of 5 stars (69) reviews
Exact Fit
New
$7 Fast cash

HOT RODS
Transmission Bearing Kit
$139.60
Sale
Save 5%
4.5 out of 5 stars (19) reviews
Exact Fit
$3 Fast cash

HOTCAMS
Valve Shim Kit
$91.96
Sale
Save 33%
5 out of 5 stars (178) reviews
Exact Fit
$3 Fast cash

Pro X
Top End Gasket Kit
$65.99
Sale
Save 10%
5 out of 5 stars (1) review
Exact Fit
$1 Fast cash
Colors for Works Connection Oil Filler Plug
+5 more

Works Connection
Oil Filler Plug
$29.95
5 out of 5 stars (42) reviews
Exact Fit
New
$33 Fast cash

Cylinder Works
Standard Bore Cylinder Kit
$670.61
Sale
Save 15%
4 out of 5 stars (12) reviews
Exact Fit
New
$10 Fast cash

Vertex
Complete Gasket Kit
$150.60
Sale
Save 5%
5 out of 5 stars (8) reviews
Exact Fit
$8 Fast cash

Pro X
Complete Clutch Plate Set
$154.99
Sale
Save 10%
4 out of 5 stars (5) reviews
Exact Fit
New
$40 Fast cash

HOT RODS
Bottom End Kit
$586.46
Sale
Save 15%
Exact Fit
$7 Fast cash

Pro X
Complete Gasket Set
$155.99
Sale
Save 10%
Exact Fit
$3 Fast cash

Vertex
Oil Seal Kit
$34.88
Sale
Save 5%
5 out of 5 stars (2) reviews
Exact Fit
New
$11 Fast cash

Vertex
4-Stroke Piston
$284.36
Sale
Save 10%
4.5 out of 5 stars (38) reviews
Exact Fit
$6 Fast cash

Pro X
4-Stroke Piston
$189.99
Sale
Save 10%
3.5 out of 5 stars (5) reviews
Exact Fit
New
$2 Fast cash
Colors for Works Connection Engine Timing Plugs
+4 more

Works Connection
Engine Timing Plugs
$44.95
4 out of 5 stars (15) reviews
Exact Fit
New
$30 Fast cash

Cylinder Works
Cylinder
$390.40
Sale
Save 5%
4.5 out of 5 stars (27) 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
$5 Fast cash

Cometic
Top End Gasket Kit
$90.25
4 out of 5 stars (247) reviews
Exact Fit
$9 Fast cash

Hinson
Clutch Fiber, Steel, Spring Kit
$199.99
5 out of 5 stars (102) reviews
Exact Fit
$10 Fast cash

Wiseco
Pro-Lite High-Compression 4-Stroke Piston
$239.99
Sale
Save 10%
4.5 out of 5 stars (7) reviews
Exact Fit
New
$1 Fast cash

All Balls
Counter Shaft Seal Kit
$25.65
Sale
Save 5%
4 out of 5 stars (73) reviews
Exact Fit

Boyesen
Clutch Cover Gasket
$6.60
Sale
Save 5%
4 out of 5 stars (14) reviews
Exact Fit
New
$4 Fast cash

Vertex
Water Pump Rebuild Kit
$58.19
Sale
Save 5%
4 out of 5 stars (11) reviews
Exact Fit
New
$3 Fast cash

HOT RODS
Water Pump Repair Kit
$89.25
Sale
Save 5%
4.5 out of 5 stars (68) reviews
Exact Fit
New

Vertex
Ignition Cover Gasket
$14.56
Sale
Save 5%
Exact Fit

Vertex
Outer Clutch Cover Gasket
$10.56
Sale
Save 5%
5 out of 5 stars (4) reviews
Exact Fit
$10 Fast cash

Hinson
Billet Clutch Basket
$259.99
5 out of 5 stars (52) reviews
Exact Fit
$42 Fast cash

Hinson
Complete Clutch Kit
$1084.99
4 out of 5 stars (9) reviews
Exact Fit
Colors for ZETA Oil Filler Plug

ZETA
Oil Filler Plug
$15.95
4.5 out of 5 stars (6) reviews
Exact Fit
New

Vertex
Inner Clutch Cover Gasket
$17.22
Sale
Save 5%
4 out of 5 stars (8) reviews
Exact Fit
$18 Fast cash

Hinson
Clutch Cover
$159.99
5 out of 5 stars (48) reviews
Exact Fit
$7 Fast cash

Wiseco
Pro-Lite Piston Kit - 4-Stroke
$305.98
Sale
Save 11%
4.5 out of 5 stars (41) reviews
Exact Fit
New
$2 Fast cash

Wiseco
Replacement Piston Ring Set
$51.99
Sale
Save 10%
3.5 out of 5 stars (21) reviews
Exact Fit
$4 Fast cash

Wiseco
Titanium Intake Valve
$99.99
Sale
Save 10%
Exact Fit
$1 Fast cash

PC Racing
Flo Stainless Steel Oil Filter
$37.95
Sale
Save 5%
4.5 out of 5 stars (63) reviews
Exact Fit
$15 Fast cash

Athena
Gasket Kit - Complete
$201.99
Sale
Save 10%
4 out of 5 stars (107) reviews
Exact Fit
$1 Fast cash
Colors for Ride Engineering Oil Filler Plug

Ride Engineering
Oil Filler Plug
$21.95
Sale
Save 8%
4 out of 5 stars (9) reviews
Exact Fit
$8 Fast cash

Wiseco
Clutch Basket
$242.99
Sale
Save 16%
5 out of 5 stars (62) reviews
Exact Fit
$3 Fast cash

Wiseco
Cam Chain
$93.99
Sale
Save 10%
5 out of 5 stars (26) reviews
Exact Fit
$2 Fast cash

Kibblewhite
Intake Valve
$37.95
4.5 out of 5 stars (8) reviews
Exact Fit
$10 Fast cash

HOTCAMS
Camshaft - Stage 2 Intake
$224.76
Sale
Save 33%
5 out of 5 stars (5) reviews
Exact Fit
$2 Fast cash

Vertex
Valve Cover Gasket
$31.80
Sale
Save 5%
1.5 out of 5 stars (7) reviews
Exact Fit
New
$46 Fast cash

Cylinder Works
Big Bore Kit
$830.25
Sale
Save 5%
4.5 out of 5 stars (27) reviews
Exact Fit

FilGuard
Premium Oil Filter
$5.99
Sale
Save 20%
4.5 out of 5 stars (53) reviews
Exact Fit
$34 Fast cash

Rekluse
Core Manual TorqDrive
$1139.00
5 out of 5 stars (12) reviews
Exact Fit

Twin Air
Oil Filter
$10.99
5 out of 5 stars (13) reviews
Exact Fit
New
$1 Fast cash

HOT RODS
Countershaft Seal Kit
$37.00
Sale
Save 5%
5 out of 5 stars (5) reviews
Exact Fit
$6 Fast cash

Hinson
Clutch Fiber Plates
$99.99
4.5 out of 5 stars (7) reviews
Exact Fit
$1 Fast cash

Pro X
Piston Ring Set
$49.99
Sale
Save 11%
5 out of 5 stars (1) review
Exact Fit
$10 Fast cash

HOTCAMS
Camshaft - Stage 2 Exhaust
$224.76
Sale
Save 33%
4.5 out of 5 stars (9) reviews
Exact Fit
$8 Fast cash

Arrowhead
Starter Motor
$132.99
Sale
Save 29%
4.5 out of 5 stars (37) reviews
Exact Fit
$7 Fast cash

Rekluse
Clutch Cover
$189.00
4.5 out of 5 stars (7) reviews
Exact Fit
New
$3 Fast cash

HOT RODS
Counter Balancer Bearing Kit
$74.05
Sale
Save 5%
5 out of 5 stars (2) reviews
Exact Fit
$15 Fast cash

Rekluse
Clutch Basket
$299.00
Exact Fit
$5 Fast cash

Pro X
Steel Intake Valve and Spring Kit
$191.99
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.