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My Ride: 2026 Honda CRF250RX
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Dirt Bike Engine Parts

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191 Results

Exact Fit
$7 Fast cash

Vertex
Complete Gasket Kit With Seals
$206.91
Sale
Save 5%
4 out of 5 stars (29) reviews

NGK
Offroad Spark Plug
$4.28 - $24.69
Sale
Save 10%
5 out of 5 stars (66) reviews
Exact Fit

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

HOTCAMS
Cam Chain
$59.80
Sale
Save 12%
5 out of 5 stars (18) reviews
Exact Fit
$3 Fast cash

HOTCAMS
Valve Shim Kit
$91.96
Sale
Save 33%
5 out of 5 stars (178) reviews
Exact Fit
New
$2 Fast cash
Colors for Works Connection Engine Timing Plugs
+5 more

Works Connection
Engine Timing Plugs
$44.95
4 out of 5 stars (15) reviews
Exact Fit
$7 Fast cash

Pro X
Complete Gasket Set
$170.96
Sale
Save 10%
Exact Fit
$3 Fast cash

Pro X
Top End Gasket Kit
$80.96
Sale
Save 10%
5 out of 5 stars (1) review
Exact Fit
$7 Fast cash

Pro X
Connecting Rod Kit
$149.99
Sale
Save 10%
Exact Fit
$8 Fast cash

Pro X
Complete Clutch Plate Set
$197.99
Sale
Save 10%
4 out of 5 stars (5) reviews
Exact Fit
$10 Fast cash

Wiseco
Pro-Lite High-Compression 4-Stroke Piston
$332.96
Sale
Save 10%
4.5 out of 5 stars (7) 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
$18 Fast cash

Hinson
Clutch Cover
$159.99
5 out of 5 stars (48) reviews
Exact Fit
$42 Fast cash

Hinson
Complete Clutch Kit
$1159.99
4 out of 5 stars (9) reviews
Exact Fit
New
$4 Fast cash

Vertex
Water Pump Rebuild Kit
$57.35
Sale
Save 5%
4 out of 5 stars (11) reviews
Exact Fit
$6 Fast cash

Pro X
4-Stroke Piston
$164.99
Sale
Save 11%
3.5 out of 5 stars (5) reviews
Exact Fit
New
$2 Fast cash
Colors for Works Connection Oil Filter Cover
+3 more

Works Connection
Oil Filter Cover
$69.95
4 out of 5 stars (10) reviews
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

FilGuard
Premium Oil Filter
$5.99
Sale
Save 20%
4.5 out of 5 stars (53) reviews
Exact Fit
$48 Fast cash

Rekluse
RadiusCX 4.0 Clutch Kit
$1449.00
Exact Fit
$1 Fast cash
Colors for Ride Engineering Oil Filler Plug

Ride Engineering
Oil Filler Plug
$21.99
Sale
Save 8%
4 out of 5 stars (9) reviews
Exact Fit
$2 Fast cash

Athena
Water Pump Gasket Kit With Bearings
$27.99
Sale
Save 10%
5 out of 5 stars (3) reviews
Exact Fit
New
$20 Fast cash

Rekluse
TorqDrive Clutch Pack
$409.00
4.5 out of 5 stars (11) reviews
Exact Fit
New

Twin Air
Oil Filter
$10.99
5 out of 5 stars (13) reviews
Exact Fit
$5 Fast cash
Colors for Works Connection Radiator Braces

Works Connection
Radiator Braces
$149.95
4.5 out of 5 stars (258) reviews
Exact Fit
$1 Fast cash

Twin Air
Radiator Sleeve
$44.99
Sale
Save 15%
3 out of 5 stars (2) reviews
Exact Fit
$6 Fast cash

Hinson
Clutch Fiber Plates
$109.99
4.5 out of 5 stars (6) reviews
Exact Fit
$1 Fast cash

Pro X
Piston Ring Set
$49.99
Sale
Save 9%
5 out of 5 stars (1) review
Exact Fit
$34 Fast cash

Rekluse
Core Manual TorqDrive
$1139.00
5 out of 5 stars (12) reviews
Exact Fit
New
$3 Fast cash

HOT RODS
Counter Balancer Bearing Kit
$25.60
Sale
Save 5%
5 out of 5 stars (2) reviews
Exact Fit
$7 Fast cash

Hinson
Replacement Billetproof Clutch Fiber, Steel, Spring Kit
$229.99
Exact Fit
$9 Fast cash

Athena
Top End Gasket Kit
$62.99
Sale
Save 10%
4.5 out of 5 stars (3) reviews
Exact Fit

PC Racing
Pro Seal Air Filter Gasket
$18.95
Sale
Save 5%
4.5 out of 5 stars (68) reviews
Exact Fit
$15 Fast cash

Rekluse
Clutch Basket
$299.00
Exact Fit
$3 Fast cash

Wiseco
Cam Chain
$84.99
Sale
Save 10%
5 out of 5 stars (26) reviews
Exact Fit
New
$39 Fast cash

Rekluse
Apex Clutch
$1199.00
Exact Fit
$8 Fast cash

Athena
Complete Gasket Kit With Oil Seals
$184.99
Sale
Save 10%
4 out of 5 stars (1) review
Exact Fit
$10 Fast cash

Hinson
Billet Clutch Basket With Cushions
$299.99
4.5 out of 5 stars (7) reviews
Exact Fit
$10 Fast cash

Rekluse
Replacement Clutch Pack - Core Manual Torqdrive
$349.00
Exact Fit
$3 Fast cash

Pro X
Cam Chain
$80.99
Sale
Save 10%
Exact Fit

Vertex
Piston Circlip
$3.75
Sale
Save 5%
Exact Fit
New
$12 Fast cash

Twin Air
Oil Cooling System
$403.99
Sale
Save 15%
Exact Fit
$2 Fast cash

Twin Air
Oil Filter Cap
$54.99
Sale
Save 15%
3 out of 5 stars (19) reviews
Exact Fit
$1 Fast cash
Colors for Ride Engineering Timing Plugs

Ride Engineering
Timing Plugs
$37.95
Sale
Save 10%
5 out of 5 stars (2) reviews
Exact Fit
New
$13 Fast cash

Rekluse
Apex Clutch Pack
$349.00
Exact Fit
$17 Fast cash

Rekluse
Replacement Clutch Pack - Radiuscx
$429.00
Exact Fit
$6 Fast cash

Rekluse
Exp Service Kit - 3.0
$197.00
Exact Fit
$5 Fast cash

Rekluse
TorqDrive Clutch Cover
$189.00
Exact Fit
$2 Fast cash

PSR
Manual Cam Chain Tensioner
$74.95
4.5 out of 5 stars (16) reviews
Exact Fit
$2 Fast cash

Hinson
Hi-Temp Clutch Spring Kit
$59.99
5 out of 5 stars (1) review
Exact Fit
$12 Fast cash

Hinson
Pressure Plate
$199.99
5 out of 5 stars (6) reviews
Exact Fit
$10 Fast cash

Hinson
Inner Clutch Hub
$319.99
5 out of 5 stars (8) reviews
Exact Fit
$2 Fast cash

Hinson
Clutch Steel Plate Kit
$89.99
3 out of 5 stars (2) reviews
Exact Fit
$10 Fast cash

Athena
Top End Piston Kit With Gaskets
$242.99
Sale
Save 10%
Exact Fit

Athena
Clutch Cover Gasket
$9.99
Sale
Save 9%
Exact Fit
$8 Fast cash

Athena
Piston
$170.99
Sale
Save 10%
Exact Fit
$3 Fast cash

Athena
Engine Oil Seal Kit
$42.99
Sale
Save 10%
2 out of 5 stars (1) review

Myler's
High Pressure Radiator Cap
$5.00 - $25.00
4 out of 5 stars (6) reviews

NGK
Iridium IX Spark Plugs
$10.83 - $21.55
Sale
Save 10%
4.5 out of 5 stars (38) 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 503-783-5645 who can help answer any questions, provide advice and even some instructions on installation.