Memorial Day Sale New Markdowns Added - Up To 70% Off Parts and Gear Shop Now
CLOSE
Shipping to US Flag United States
Free shipping over $79
NEW Discounts on Fox Racing Get Up To 30% Off Select Fox Racing Gear Shop Now

Dirt Bike Engine Parts

Applied Refinements
Fitment Category Brand
Color
Fast Cash Discount

Price

Refine

674 Results

Boyesen
Dual Stage Power Reeds

$21.80 - $46.50
Sale
Up to 5%
5 out of 5 stars (74) reviews

All Balls
Carburetor Mid Body Gasket Kit

$14.99 - $23.25
Sale
Up to 10%
4.5 out of 5 stars (5) reviews

BikeMaster
Steel Magnetic Oil Drain Plug

$6.26 - $8.06
Sale
Up to 10%
3 out of 5 stars (39) reviews

EBC
Dirt Racer Clutch Kit

$72.36 - $230.22
Sale
Up to 5%
4 out of 5 stars (126) reviews
Colors for FREE Flo 2-Stroke Carb Vent Hose Kit
+2 more

FREE Flo
2-Stroke Carb Vent Hose Kit

$14.99
4 out of 5 stars (99) reviews

Keihin
Hex Main Jets

$26.77 - $39.95
4 out of 5 stars (4) reviews

Hinson
Billet Clutch Basket

$249.99 - $299.99
5 out of 5 stars (51) reviews
Video Available

Hinson
Clutch Fiber Plates

$79.99 - $139.99
4.5 out of 5 stars (6) reviews
Video Available

All Balls
Hot Start Plunger Kit

$21.98 - $25.28
Sale
Up to 10%
5 out of 5 stars (2) reviews

Pro X
Inner Clutch Hub

$45.49 - $88.32
Sale
Up to 17%
3 out of 5 stars (2) reviews

Vertex
Ignition Cover Gasket

$3.51 - $17.24
Sale
Up to 10%

EBC
Clutch Springs

$0.77 - $59.27
Sale
Up to 5%
4 out of 5 stars (10) reviews
New

Pro X
Top End Gasket Kit

$15.20 - $112.57
Sale
Up to 10%
5 out of 5 stars (1) review
New

VForce
3 Replacement Reeds

$58.46 - $62.06
Sale
Up to 10%
4.5 out of 5 stars (33) reviews

All Balls
Crank Shaft Seal Kit

$17.68 - $31.79
Sale
Up to 10%
5 out of 5 stars (6) reviews

Arrowhead
Starter Motor

$44.99 - $253.99
Sale
Up to 12%
4.5 out of 5 stars (35) reviews

Wiseco
Clutch Pack Kit

$91.62 - $216.57
Sale
Up to 14%
4.5 out of 5 stars (149) reviews
New
Colors for Works Connection Oil Filler Plug
+2 more

Works Connection
Oil Filler Plug

$29.95
5 out of 5 stars (41) reviews
Colors for Factory Effex Fuel Adjustment Screw

Factory Effex
Fuel Adjustment Screw

$18.99
Sale
Save 13%
5 out of 5 stars (3) reviews
New

KTM PowerParts
Hour Meter

$41.99 - $78.99
4 out of 5 stars (7) reviews

Yamalube
Yamabond 4

$19.99
5 out of 5 stars (9) reviews

Turner Performance Products
Oversized Radiator

$109.99
Sale
Save 15%
4 out of 5 stars (9) reviews

R&D
Flex Jet Fuel Mixture Screw

$29.66
Sale
Save 10%
4.5 out of 5 stars (99) reviews

HOT RODS
Complete Crank Assembly

$112.46 - $1089.86
Sale
Up to 10%
4.5 out of 5 stars (118) reviews
Video Available

Suzuki Genuine Accessories
Clutch Plate Kit

$134.95 - $188.95
Sale
Up to 10%
5 out of 5 stars (7) reviews

Works Connection
Maintenance-Hour-Tach Mount Bracket

$16.95
3.5 out of 5 stars (8) reviews
Colors for FREE Flo 4-Stroke Carb Vent Hose Kit
+2 more

FREE Flo
4-Stroke Carb Vent Hose Kit

$19.99
4.5 out of 5 stars (91) reviews

Vesrah Racing
Oil Filter

$5.36 - $9.86
Sale
Up to 10%
4 out of 5 stars (3) reviews

Myler's
SuperCool Radiator Combo

$289.99 - $620.00
Sale
Up to 17%
3.5 out of 5 stars (15) reviews
Colors for CV4 Radiator Hose Kit
+2 more

CV4
Radiator Hose Kit

$63.99 - $192.33
Sale
Up to 10%
4 out of 5 stars (26) reviews

KTM PowerParts
Water Pump Repair Kit

$20.88 - $86.03
Sale
Up to 15%
5 out of 5 stars (1) review

Pro X
Clutch Pressure Plate

$24.35 - $60.45
Sale
Up to 10%
5 out of 5 stars (2) reviews

Myler's
SuperCool Radiator

$133.77 - $310.00
3.5 out of 5 stars (67) reviews

Works Connection
Maintenance-Hour-Tach Meter

$49.95
4.5 out of 5 stars (42) reviews

Wiseco
Cam Chain

$29.85 - $97.79
Sale
Up to 13%
5 out of 5 stars (26) reviews

Cylinder Works
Top End Kit With Cylinder - 4-Stroke

$457.72 - $797.78
Sale
Up to 11%
5 out of 5 stars (7) reviews

Twin Air
Oil Filter

$6.77 - $13.95
5 out of 5 stars (11) reviews

PC Racing
Flo Stainless Steel Oil Filter

$28.45
Sale
Save 5%
4.5 out of 5 stars (61) reviews

Wiseco
Clutch Basket

$203.23 - $306.69
Sale
Up to 20%
5 out of 5 stars (62) reviews
Video Available

Turner Performance Products
Complete Performance Clutch Kit

$35.62 - $74.06
Sale
Up to 25%
4 out of 5 stars (4) reviews

Works Connection
Maintenance-Hour-Tach & Mount Kit

$66.90
5 out of 5 stars (8) reviews

Hinson
Oil Filler Cap

$19.99
5 out of 5 stars (1) review

Pro X
Carburetor Rebuild Kit

$26.13 - $64.98
Clearance
Up to 10%
4 out of 5 stars (47) reviews

HOT RODS
Needle Bearing

$13.37 - $16.52
Sale
Up to 10%
4.5 out of 5 stars (11) reviews

JD Jetting
Fuel Mixture Screw Kit

$24.95
4.5 out of 5 stars (8) reviews

Kibblewhite
Titanium Intake Valve

$92.95 - $109.95
5 out of 5 stars (2) reviews

All Balls
Extended Fuel Mixture Screw

$10.65
Sale
Save 10%
2.5 out of 5 stars (2) reviews

All Balls
Crank Shaft Bearing Kit

$30.21 - $160.61
Sale
Up to 10%
5 out of 5 stars (5) reviews
Video Available

Pro X
Steel Intake Valve and Spring Kit

$119.58 - $182.66
Sale
Up to 22%

Rekluse
Clutch Damper Kit

$51.00 - $179.00
5 out of 5 stars (1) review

Boyesen
Pro Series Carbon Fiber Dual Stage Reeds

$50.30 - $66.45
Sale
Up to 5%
5 out of 5 stars (9) reviews

Pro X
Crankshaft Bearing

$15.62 - $24.16
Clearance
Up to 21%
4.5 out of 5 stars (8) reviews

All Balls
Air Cut off Valve Kit

$19.85 - $23.42
Sale
Up to 10%
1 out of 5 stars (1) review

Moose
Stator

$74.95 - $271.95
4 out of 5 stars (10) reviews
New

Rekluse
Core EXP 3.0 Clutch Kit

$815.00 - $1329.00
5 out of 5 stars (110) reviews
Video Available

Pro X
Piston Pin Needle Bearing

$8.95 - $22.58
Sale
Up to 10%

Lucas Oil
Assembly Lube

$5.99 - $9.49
4.5 out of 5 stars (14) reviews

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 1-888-676-8853 who can help answer any questions, provide advice and even some instructions on installation.