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My Ride: 1995 Kawasaki KX125
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Dirt Bike Engine Parts

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73 Results

Exact Fit
$5 Fast cash

Wiseco
Piston Kit - 2-Stroke
$150.75
Sale
Save 12%
5 out of 5 stars (247) reviews

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

Vertex
Top End Piston Kit With Gaskets
$188.05
Sale
Save 10%
Exact Fit
$7 Fast cash

Wiseco
2-Stroke Piston
$138.99
Sale
Save 10%
4.5 out of 5 stars (259) 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
$218.86
Sale
Save 29%
4.5 out of 5 stars (78) reviews
Video Available
Exact Fit
$3 Fast cash

Pro X
Top End Gasket Kit
$35.99
Sale
Save 10%
5 out of 5 stars (1) review
Exact Fit
$6 Fast cash

Pro X
2-Stroke Piston
$94.99
Sale
Save 10%
4.5 out of 5 stars (62) reviews
Exact Fit
$7 Fast cash

Pro X
Connecting Rod Kit
$107.99
Sale
Save 10%
Exact Fit
$8 Fast cash

Pro X
Complete Clutch Plate Set
$161.99
Sale
Save 10%
4 out of 5 stars (5) reviews
Exact Fit
$4 Fast cash

Wiseco
Gasket Kit - Top End
$39.99
Sale
Save 11%
4 out of 5 stars (11) reviews
Exact Fit
$4 Fast cash

VForce
3 Reed Valve System
$148.50
Sale
Save 10%
4.5 out of 5 stars (250) reviews
Exact Fit
$2 Fast cash

Turner Performance Products
Complete Performance Clutch Kit
$52.49
Sale
Save 25%
3.5 out of 5 stars (5) 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
$152.97
Sale
Save 10%
5 out of 5 stars (40) reviews
Exact Fit
$9 Fast cash

Wiseco
Clutch Pack Kit
$179.99
Sale
Save 10%
4.5 out of 5 stars (149) reviews
Exact Fit
$2 Fast cash

Athena
Water Pump Gasket Kit With Bearings
$45.99
Sale
Save 10%
5 out of 5 stars (3) reviews
Exact Fit
$8 Fast cash

Wiseco
Clutch Basket
$251.99
Sale
Save 10%
5 out of 5 stars (62) reviews
Video Available
Exact Fit
$3 Fast cash

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

HOT RODS
Needle Bearing
$14.77
Sale
Save 33%
4.5 out of 5 stars (11) reviews
Exact Fit
$9 Fast cash

Myler's
SuperCool Radiator Combo
$340.00
Sale
Save 17%
3.5 out of 5 stars (15) reviews
Exact Fit
$8 Fast cash

Pro X
Clutch Basket
$260.99
Sale
Save 10%
2 out of 5 stars (2) reviews
Exact Fit
Colors for Turner Performance Products Oil Fill Plug

Turner Performance Products
Oil Fill Plug
$16.99
Clearance
Save 20%
4 out of 5 stars (5) reviews
Exact Fit
$16 Fast cash

Myler's
Complete SuperCool Radiator and Hose Combo
$452.99
Sale
Save 13%
3 out of 5 stars (7) reviews
Exact Fit
$2 Fast cash

VForce
2 Replacement Reeds
$58.50
Sale
Save 10%
5 out of 5 stars (5) reviews
Exact Fit
$2 Fast cash

Wiseco
Clutch Basket Cushions
$57.99
Sale
Save 11%
5 out of 5 stars (1) review
Exact Fit
$8 Fast cash

Wiseco
Friction Plate Set
$120.99
Sale
Save 10%
Exact Fit
$3 Fast cash

Myler's
Silicone Radiator Hose and Hose Clamp Kit
$112.99
Sale
Save 17%
3 out of 5 stars (4) reviews
Exact Fit

Athena
Clutch Cover Gasket
$13.99
Sale
Save 12%
Exact Fit
$2 Fast cash

Athena
Water Pump Gasket Kit
$35.99
Sale
Save 10%
5 out of 5 stars (2) reviews
Exact Fit
$3 Fast cash

Athena
Engine Oil Seal Kit
$64.99
Sale
Save 10%
2 out of 5 stars (1) review

NGK
Iridium IX Spark Plugs
$10.83 - $21.55
Sale
Save 10%
4.5 out of 5 stars (38) reviews

Turner Performance Products
Hour Meter
$24.99
Sale
Save 17%
5 out of 5 stars (5) reviews
$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

Turner Performance Products
Wireless Hour Meter
$19.99
Sale
Save 13%
3 out of 5 stars (1) review
$1 Fast cash

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

Pro Honda
Hondabond 4
$6.31
Sale
Save 11%
5 out of 5 stars (7) reviews

Turner Performance Products
Hour Meter Mounting Bracket
$7.99
Sale
Save 20%
5 out of 5 stars (1) review
$2 Fast cash

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

Factory Effex
Temperature Stickers
$11.69
Sale
Save 22%
4.5 out of 5 stars (55) reviews
$1 Fast cash

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

Mikuni
Jet Needle
$8.77 - $11.57
Sale
Save 24%
$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

Husqvarna Technical Accessories
Pull Switch Bracket
$6.77
Clearance
Save 25%
$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%

Helix
Brass Hose Reducer Fitting
$8.06
Sale
Save 10%

Helix
Brass 90 Degree Fitting
$10.77 - $16.16
Clearance
Save 10%

Helix
Brass Tee Fitting
$11.66
Sale
Save 10%

Helix
Brass Hose Splicer Fitting
$8.96
Sale
Save 10%

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.