LUCKY YOU! Extra 10% Off Clearance | Use Code POTOGOLD10 Limited Time! Ends 3/21 Shop Now
CLOSE
Email Us 503-783-5645
Text Us
Account Order Status
Shipping to US Flag United States
Free shipping over $79
Order Status Cart
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: 2019 KTM 65SX
Shop Aftermarket Shop OEM Tires
Moto Madness Sale | Get Up To 65% Off Parts & Gear Shop Now

Dirt Bike Engine Parts

Refine

62 Results

Exact Fit
$5 Fast cash

Wiseco
Piston Kit - 2-Stroke
$156.97
Sale
Save 12%
5 out of 5 stars (247) reviews
Exact Fit
$52 Fast cash

Vertex
Complete Rebuild Kit
$381.77
Sale
Save 50%
4.5 out of 5 stars (95) reviews
Exact Fit
New
$10 Fast cash

Vertex
Top End Piston Kit With Gaskets
$124.16
Sale
Save 10%
Exact Fit
$31 Fast cash

Wiseco
Garage Buddy Complete Engine Rebuild Kit
$422.99
Sale
Save 10%
5 out of 5 stars (2) reviews
Exact Fit
$7 Fast cash

Wiseco
2-Stroke Piston
$120.99
Sale
Save 10%
4.5 out of 5 stars (259) reviews
Exact Fit
New
$8 Fast cash

Vertex
2-Stroke Piston
$94.46
Sale
Save 10%
4.5 out of 5 stars (167) reviews
Exact Fit
$7 Fast cash

Pro X
Complete Gasket Set
$84.99
Sale
Save 10%
Exact Fit
$5 Fast cash

Vertex
2-Stroke Piston Kit - Stock Bore
$142.30
Sale
Save 29%
4.5 out of 5 stars (78) reviews
Exact Fit
$6 Fast cash

Pro X
2-Stroke Piston
$53.99
Sale
Save 10%
4.5 out of 5 stars (62) reviews
Exact Fit
$3 Fast cash

Pro X
Top End Gasket Kit
$26.99
Sale
Save 10%
5 out of 5 stars (1) review
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
$4 Fast cash

Wiseco
Gasket Kit - Top End
$30.99
Sale
Save 11%
4 out of 5 stars (11) reviews
Exact Fit
$4 Fast cash

VForce
3 Reed Valve System
$133.20
Sale
Save 10%
4.5 out of 5 stars (250) reviews
Exact Fit
$27 Fast cash

Wiseco
Complete Crank Kit
$336.99
Sale
Save 10%
4 out of 5 stars (64) reviews
Exact Fit
$2 Fast cash

Wiseco
Replacement Piston Ring Set
$21.99
Clearance
Save 12%
3.5 out of 5 stars (21) reviews
Exact Fit
$4 Fast cash

Pro X
Piston Kit - 2-Stroke
$102.97
Sale
Save 10%
5 out of 5 stars (40) reviews
Exact Fit
$15 Fast cash

Athena
Gasket Kit - Complete
$98.99
Sale
Save 10%
4 out of 5 stars (107) reviews
Exact Fit
New
$2 Fast cash

Athena
Water Pump Gasket Kit With Bearings
$23.99
Sale
Save 11%
5 out of 5 stars (3) reviews
Exact Fit
$8 Fast cash

Wiseco
Clutch Basket
$224.99
Sale
Save 10%
5 out of 5 stars (62) reviews
Exact Fit
$1 Fast cash

Twin Air
Radiator Sleeve
$37.77
Sale
Save 29%
3 out of 5 stars (2) reviews
Exact Fit
$2 Fast cash

Turner Performance Products
Kick Starter
$69.99
Sale
Save 13%
3.5 out of 5 stars (3) reviews
Exact Fit
$18 Fast cash

Wiseco
Top And Bottom End Kit - 2-Stroke
$486.97
Sale
Save 14%
4 out of 5 stars (24) reviews
Exact Fit
$3 Fast cash

Turner Performance Products
Oversized Radiator
$109.99
Sale
Save 15%
4 out of 5 stars (10) reviews
Exact Fit
$9 Fast cash

Turner Performance Products
Oversized Radiator Combo
$199.99
Sale
Save 50%
2.5 out of 5 stars (2) reviews
Exact Fit
$8 Fast cash

Pro X
Clutch Basket
$234.99
Sale
Save 10%
2 out of 5 stars (2) reviews
Exact Fit
New
$10 Fast cash

Athena
Top End Gasket Kit
$69.99
Sale
Save 10%
4.5 out of 5 stars (3) reviews
Exact Fit
$1 Fast cash

Turner Performance Products
Counter Shaft Seal Kit
$18.77
Sale
Save 10%
Exact Fit
$32 Fast cash

Cylinder Works
Top End Kit With Cylinder - 2-Stroke
$757.65
Sale
Save 19%
5 out of 5 stars (1) review
Exact Fit
$12 Fast cash

HOT RODS
Complete Bottom End Kit
$591.84
Sale
Save 23%
5 out of 5 stars (20) reviews
Exact Fit
$8 Fast cash

Wiseco
Friction Plate Set
$53.99
Sale
Save 10%
Exact Fit
$11 Fast cash

Wiseco
Complete Crank Assembly
$332.96
Sale
Save 10%
Exact Fit
$4 Fast cash

Wiseco
Main Bearing Kit
$26.99
Sale
Save 10%
Exact Fit
$14 Fast cash

VHM
Billet Cylinder Head With Insert
$281.99
Sale
Save 10%
Exact Fit
$17 Fast cash

Vertex
Hot Rods Complete Top & Bottom End Kit - 2-Stroke
$686.30
Sale
Save 19%
4 out of 5 stars (16) reviews
Exact Fit
$15 Fast cash

HOT RODS
Complete Top & Bottom End Kit - 2-Stroke
$699.83
Sale
Save 21%
4.5 out of 5 stars (16) reviews
Exact Fit
New
$5 Fast cash

Athena
2-Stroke Piston
$87.99
Sale
Save 10%
Exact Fit
$10 Fast cash

Athena
Top End Piston Kit With Gaskets
$104.99
Sale
Save 10%
Exact Fit
New
$3 Fast cash

Athena
Engine Oil Seal Kit
$54.99
Sale
Save 10%
2 out of 5 stars (1) review
$1 Fast cash

Turner Performance Products
Hour Meter With Mount
$30.99
Sale
Save 22%
5 out of 5 stars (1) review
$1 Fast cash
Colors for CV4 Vent Line
+2 more

CV4
Vent Line
$22.46 - $22.49
Sale
Save 10%
5 out of 5 stars (3) reviews
$1 Fast cash

Mikuni
Large Hex Main Jet
$15.77 - $21.85
Sale
Save 28%
$2 Fast cash

Turner Performance Products
Tach/Hour Meter With Mount
$34.99
Sale
Save 17%
$1 Fast cash

Hardline
Tach / Hour Meter
$34.19
Sale
Save 10%
4.5 out of 5 stars (28) reviews
$1 Fast cash

Mikuni
Small Round Main Jet
$14.77 - $21.85
Sale
Save 29%
$7 Fast cash

Wiseco
Jet Kit Assortment
$233.99 - $282.99
Sale
Save 10%
5 out of 5 stars (1) review
$1 Fast cash

Suzuki ECSTAR
Silicone Gasket 1216
$26.96
Sale
Save 10%
$1 Fast cash

Suzuki ECSTAR
Silicone Gasket 1207B
$26.96
Sale
Save 10%
5 out of 5 stars (1) review
$1 Fast cash

Suzuki Genuine Accessories
Three Bond 1401
$26.96
Sale
Save 10%
5 out of 5 stars (2) reviews
$1 Fast cash

Ride Engineering
Tach & Hour Meter With Mount
$30.95
Sale
Save 11%
3.5 out of 5 stars (10) reviews
$2 Fast cash

Koso
Mini 4 Tachometer
$84.84
Sale
Save 10%
4 out of 5 stars (2) reviews
$2 Fast cash

Koso
Proton Thermometer
$60.43
Sale
Save 10%
$1 Fast cash

Keihin
Round Main Jets
$16.77 - $24.95
Clearance
Save 30%
2 out of 5 stars (3) reviews
$1 Fast cash

Keihin
Hex Main Jets
$27.77 - $33.95
Sale
Save 30%
4 out of 5 stars (4) reviews
$1 Fast cash

Helix
Steel Hose Reducer Fitting
$25.16 - $34.16
Sale
Save 10%
$1 Fast cash

Helix
Steel Hose Tee Fitting
$37.76
Sale
Save 10%
$1 Fast cash

Hardline
Hour Meter
$34.19
Sale
Save 10%
4.5 out of 5 stars (37) reviews
$1 Fast cash

Hardline
iMeter Wireless Hour Meter
$38.69
Sale
Save 10%
4 out of 5 stars (14) reviews
$1 Fast cash

HOTCAMS
Piston Stop Kit
$38.36
Sale
Save 33%
5 out of 5 stars (1) review
$8 Fast cash

HOTCAMS
Camshaft Installation Kit
$252.76
Sale
Save 39%
5 out of 5 stars (1) review
$2 Fast cash

E-Line
Universal Heat Shield
$59.46 - $87.95
Sale
Save 15%

Dirt Bike Engine

Staying on top of general maintenance goes a long way towards the life of your 2-stroke or 4-stroke dirt bike engine. Eventually though, dirt bike engine parts break down, seize up and need replacing. MotoSport carries what you need for the simple jobs like oil changes or the major overhauls like a complete engine rebuild or replacing the clutch on your dirt bike. So, don't let a slipping clutch or blown motor ruin your planned ride day. We stock the top names in aftermarket dirt bike engine parts or stick with the proven performance of OEM. We carry a full line of dirt bike engine parts so you can grab everything you need right here. Replace the blown motor with a piston kit from Wiseco, Vertex or Wrench Rabbit among other popular brands. Smashed radiator? We'll get you back riding in no time. First things first, extend the life of the motor by keeping up on oil and filter changes. We've got gaskets to take care of that eventual leak, too. Find all the necessary dirt bike engine parts you need at MotoSport. If you need help finding a specific engine part for your dirt bike or have a question on upgrades, or using aftermarket verses OEM dirt bike engine parts, give one of our gearheads a call at 503-783-5645 who can help answer any questions, provide advice and even some instructions on installation.