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'00 KTM 640 LC4 Adventure R
Chart Key | |
Horsepower | |
Torque | |
CO% | |
closely fitted valve guides, valve job, valve springs upgraded & shimmed, mild port clean up, compression reduced, piston lightened & surface area reduced, wrist pin lightened, specially fitted rings, adapted Remus "Freeride" two-muffler exhaust system, inside of exhaust system ported, airbox lid & snorkel removed, slide stop modified, custom needle and tuning (at 100% throttle opening) | |
stock (at 100% throttle opening) | |
as the engine came in (at 100% throttle opening)(mechanical failure at 5K rpm) |
piston & pin
91 vs. 89 octane fuel
mechanical failure
stock run courtesy of Wheelsmith/Factory