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CRF/XR 100

Stage One 120cc Cyl. Kit  for XR100's Includes: 1) Cyl. (exchange) 1) Ring Set 1) Head Gask. 1) Piston Pin 1) Base Gasket 2) Piston Pin Clips 1) Piston 1) "NO CASE MACHINING REQ." Cylinder Core $200.00


Runs on pump gas.

CRF/XR 100 Ultimate Big Bore Kits

10001 BBK  $499.95

Stage Two 120cc Cyl. Kit for XR100's 
The EO Stage Two kit is the most complete and well engineered kit on the market. Sure, you can stroke them and use higher compression...but did anyone tell you the about the dark side?  If you build your motor past 120cc or use one companies cam and someone else's piston kit, and maybe someone else's head... you bend valves, break cranks and shear off kick shafts. We know how far you can push this little motor and still have it live through your kids childhood or your couple of seasons of racing backyard Supercross! (Mom, Dad stole my bike again.)


Includes: everything in a Stage 1 kit plus 1) Camshaft (exchange) 1) set  Valve Springs and Heavy Duty head nuts "NO CASE MACHINING REQ."

Cylinder Core $200.00 / Cam Core $75.00

10002 BBK  $899.95

Installation of above including valve job and case machining. Send us your complete assembled motor with no oil. We ship it back to you assembled and adjusted. YOU MUST ADD OIL

12000 INS  $300.00

Exhaust Systems

Carb & Intake Systems

24mm for 120cc motors with headwork..
Kit includes, carburetor, custom intake manifold, air filter and throttle cable and your choice of Airbox boot or K&N filter.

12024 FSK  $399.95

Headwork & Cams

Cylinder head porting and intake matching.
We open your ports and match intake manifold size to work with your choice of intake kits

80120 CHP  $249.95

Great for stock motors to full race configurations.

80120 ABM  $29.29

Allows your cam to be degreed  professionally

80120 SCS  $44.95

Special Cam Sprocket bolts.

These bolts have a shoulder edge and washer face to correctly center your slotted cam.

80120 CSB  $14.95

Clutch Parts

Barnett heavy duty replacement clutch kit

80120 BCK  $124.95

Positively the best dirt track pipe you can buy for your mini. Shipped with open end and stainless steel construction.

80120 OLP  $499.95


Folding shift lever

80120 FSL  $44.95

Terminator Front Brake Cable

80120 TFC  $44.95



This exhaust end fits on your stock XR or CRF pipe in place of the stock or missing baffle. Increases power by being less restrictive than the stock baffle. No drilling or cutting required, it bolts right on. 

Our 12 plate exhaust ring is adjustable to meet AMA and CA 96db noise requirement.
Race proven SUPERTRAP plate spark arrestors disperses noise radially for quieter operation and avoids the clogging of screen style spark arrestors.

Includes all mounting hardware.  


Includes 4 plates, 4 springs and gasket. 

Fits 2001-2013

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