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My Ride: 2006 KTM 450SX
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Dirt Bike Engine Parts

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64 Results

NGK
Offroad Spark Plug
$4.28 - $24.69
Sale
Save 10%
5 out of 5 stars (67) reviews
Exact Fit
$3 Fast cash

Pro X
Top End Gasket Kit
$70.43
Sale
Save 15%
5 out of 5 stars (2) reviews
Exact Fit
$10 Fast cash

Wiseco
Pro-Lite High-Compression 4-Stroke Piston
$269.99
Sale
Save 10%
4.5 out of 5 stars (7) reviews
Exact Fit
$8 Fast cash

Pro X
Complete Clutch Plate Set
$138.69
Sale
Save 14%
4 out of 5 stars (5) reviews
Exact Fit
Colors for Turner Performance Products Oil Fill Plug

Turner Performance Products
Oil Fill Plug
$9.99
Clearance
Save 53%
4 out of 5 stars (5) reviews
Exact Fit
$4 Fast cash

Wiseco
Gasket Kit - Top End
$90.99
Sale
Save 10%
4 out of 5 stars (11) reviews
Exact Fit
New
$11 Fast cash

Vertex
4-Stroke Piston
$131.77
Sale
Save 40%
4.5 out of 5 stars (39) reviews
Exact Fit
$4 Fast cash

Wiseco
Titanium Intake Valve
$99.99
Sale
Save 10%
Exact Fit
$1 Fast cash
Colors for Ride Engineering Oil Filler Plug

Ride Engineering
Oil Filler Plug
$21.95
Sale
Save 12%
4 out of 5 stars (9) reviews
Exact Fit
$3 Fast cash

HOTCAMS
Valve Shim Kit
$62.36
Sale
Save 34%
5 out of 5 stars (178) reviews
Exact Fit
$1 Fast cash

R&D
Flex Jet Fuel Mixture Screw
$29.66
Sale
Save 10%
4.5 out of 5 stars (99) reviews
Exact Fit
$7 Fast cash

Pro X
Complete Gasket Set
$184.23
Sale
Save 15%
Exact Fit
$8 Fast cash

Arrowhead
Starter Motor
$114.99
Sale
Save 32%
4.5 out of 5 stars (39) reviews
Exact Fit
$6 Fast cash

Pro X
4-Stroke Piston
$180.49
Sale
Save 14%
3.5 out of 5 stars (5) reviews
Exact Fit
$2 Fast cash

Pro X
Piston Ring Set
$43.69
Sale
Save 14%
5 out of 5 stars (1) review
Exact Fit
New
$1 Fast cash

Turner Performance Products
Counter Shaft Seal Kit
$22.04
Sale
Save 24%
Exact Fit
$1 Fast cash

Pro X
Clutch Slave Cylinder Rebuild Kit
$32.29
Sale
Save 15%
Exact Fit
$4 Fast cash

Electrosport
Regulator/Rectifier
$22.46
Sale
Save 10%
3.5 out of 5 stars (14) reviews
Exact Fit
$8 Fast cash

Wiseco
Friction Plate Set
$99.99
Sale
Save 10%
Exact Fit
$4 Fast cash

Wiseco
Titanium Exhaust Valve
$99.99
Sale
Save 10%
5 out of 5 stars (1) review
Exact Fit
$1 Fast cash

Pro Circuit
Fuel Mixture Screw
$26.96
Sale
Save 10%
Exact Fit

FilGuard
Stainless Steel Oil Filter
$20.77
Clearance
Save 31%
4 out of 5 stars (14) reviews
Exact Fit
$5 Fast cash

Electrosport
Lighting Stator
$161.10
Sale
Save 10%
1 out of 5 stars (6) reviews
Exact Fit
$7 Fast cash

Pro X
Piston Kit - 4-Stroke
$271.40
Sale
Save 12%
5 out of 5 stars (7) reviews

NGK
Iridium IX Spark Plugs
$9.77 - $21.55
Sale
Save 10%
4.5 out of 5 stars (38) reviews

Bolt
Drain Plug Washer
$13.50
Sale
Save 10%
1 out of 5 stars (1) review

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

Turner Performance Products
Wireless Hour Meter
$19.99
Sale
Save 13%
3 out of 5 stars (1) review
$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
$2 Fast cash

Turner Performance Products
Hour Meter With Mount
$30.99
Sale
Save 22%
5 out of 5 stars (1) review

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

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

Hardline
iMeter Wireless Hour Meter Gas Tank Mount
$8.99
Sale
Save 10%
4 out of 5 stars (6) reviews

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

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

Rekluse
Pad Replacement Kit - Exp 3.0
$8.10 - $9.00
Sale
Save 10%
$7 Fast cash

Wiseco
Jet Kit Assortment
$239.99 - $299.99
Sale
Save 10%
5 out of 5 stars (1) review

Red Line
Assembly Lube
$10.70
Sale
Save 11%
5 out of 5 stars (2) reviews
$1 Fast cash

Ride Engineering
Tach & Hour Meter With Mount
$30.95
Sale
Save 23%
3.5 out of 5 stars (10) reviews
$2 Fast cash

Rekluse
Tungsten Carbide Ball Bearing Kit
$53.10
Sale
Save 10%
$3 Fast cash

Rekluse
Wedge Kit
$107.10
Sale
Save 10%
$1 Fast cash

Mikuni
Small Round Main Jet
$14.77 - $21.85
Sale
Save 29%
$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 - $23.95
Clearance
Save 30%
2 out of 5 stars (3) reviews

HP Tools
Engine Lock Up Tool
$6.99
Sale
Save 30%

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
$7.16
Sale
Save 10%

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

Helix
Brass Tee Fitting
$9.86 - $10.76
Sale
Save 10%

Helix
Brass Hose Splicer Fitting
$8.06
Sale
Save 10%
$1 Fast cash

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

Hardline
Re-Settable Hour Meter
$35.99
Sale
Save 10%
4 out of 5 stars (3) reviews

Hardline
iMeter Wireless Hour Meter Steering Stem Mount
$8.99
Sale
Save 10%
3 out of 5 stars (1) review
$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.