The new CRF250R’s are fuel injected and a complete new engine. Travis at Thumper got one to 280cc with a big bore and a stroker version out to 300. We did the 264cc version here. Tested one day at racetown and one at Piru and had about eight different test riders all love each of
Jay Clark EnterprisesMotocross to the Extreme |
FMF Got A New FI Harley For Project Bike!
CP made the Custom pistons, Race Tech took care of the suspension and Bennetts Performance put it all together. FMF made custom pipes with self tuning Dynojet power Commander. Will be in Cycle World shortly.
Fast Core Mods CRF469cc
Transworld Motocross just tested the latest beast I created. Fast Core Mods did the head Work, Millennium the big bore cylinder and CP the high compression piston.
Thumper WR250X Big Bore
280cc big bore with a CP Piston, FMF Pipe, Millennium Cylinder plating and Thumper put it all together for Cycle World.
2010 CRF250R Big Bore into 264cc
Stock is 76.8mm and big bore is out to 79mm making it 264cc and the results are great! Big power gains for low cost in the new CRF250R with no fuel mapping changes.
Dirt Wheels 400 EX into 417cc Bolt on Mods
The Honda 400 motor is proven but can just use a bit of a boost from a cam and piston. Hot Cams and CP took care of that with a FMF pipe.
Dirt Bike Magazine CRF230L Street Legal with 250 Kit
Custom CP Piston matched up to a Thumper Advanced Sleeve. Travis at Thumper got this running really good and way more power than stock.
4 Wheel ATV Action Mag Honda 700XX Photo Shoot
Joe Kosch at 4-Wheel ATV Action just snapping some pics of ATV Pro-to-be Russell Wayman on the built 700XX. Look for this soon in 4 wheel.
Dirt Wheels Polaris 450
FMF Polaris 450 project with Fox Shox — came out great. Cain was very impressed with the mucho power.
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