Aluminum FXR originally built to compete in 1350cc class at El Mirage, it has an 80" motor that loves to spin high RPM in an ultralight chassis.





Handlebar swap on a Big Dog. One of the most fundamental procedures for any bike owner. Some key points are highlighted to help make this job painless.



Brake caliper upgrades help you stop better and they look great too. A perfect compliment to high performance engine work.



FLT Chassis stabilizer - this product makes a lot of sense, and the FL chassis can use all the help it can get.



 Understanding Torque and Horsepower  Air/Fuel Ratio
 Nitrous Oxide
 
 Battery Tutorial  

Questions?
View our discussion board and get answers---->

Head porting Do you still believe bigger is better? Big flowing ports can kill velocity and volumetric efficiency. Efficient port area produces profoundly improved performance right where you need it most.

Drag pipes sound awesome on a large displacement 45 degree V-Twin. But what about all that lost low end power? Here's an option...

 
CYCLEDOCTOR® Motorcycle Repair - Costa Mesa, CA 949-645-1235
Striving to be #1 Harley - Davidson Mechanic in Orange County - #1 Dynamometer Operator In California

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