MX & Off-Road Performance Handbook -3rd Edition

adjuster aftermarket air box aluminum bearings BEST VALUE MODS bolt bore Boyesen brake bushing carb jetting carburetor cartridge forks cause chain circlip clamp clean clearance clutch basket clutch plates coil connecting rod crank crankcase crankshaft cylinder head cylinder porting damping dirt bikes drum valves dual-sport enduro epoxy exhaust port exhaust valve system feeler gauge filter filter oil flywheel fork springs fork tube four-stroke frame front fuel gear grease high rpm Honda ignition install intake Kawasaki leaks linkage low-end power magneto main jet midrange motocross motorcycle mounted needle off-road pins pipe piston plastic power valve powerband problem race rear shock rebound reed valve remove replace revalving riders riding rings seal shaft shims slide spark plug sprocket squish band stiffer supermoto suspension Suzuki swingarm throttle tire top-end torque transfer ports tuning VALUE MODS ENGINE wear wheel Wiseco worn Yamaha