1981-1984 Official Honda ATC250R Shop Manual, Page 182Get this manual
TROUBLESHOOTING
CiiJHONDA ATe 250R
SYMPTOM WHEEL DOES NOT SPIN-FREELY PROBABLE CAUSE (1) Brake dragging (2) Worn or damaged wheel bearing (3) Wheel bearing not lubricated propely (4) Drive chain too tight (5) Rear axle nut excessively tightened
(1) Punctured tire (2) Faulty tire valve
ENGINE LACKS POWER
CHECK 1Raise wheels off ground and spin by hand WHEEL SPINS FREELY
2Check tire pressure with tire gauge PRESSURE NORMAL 3Try rapid acceleration from low to second
TIRE PRESSURE IS TOO LOW
ENGINE SPEED DOES NOT-t (1) Clutch slipping CHANGE WHEN CLUTCH IS (2) Worn clutch discplate RELEASED (3) Warped clutch discplate
ENGING SPEED LOWERED WHEN CLUTCH IS RELEASED 4Lightly accelerate engine ENGINE SPEED INCREASED
ENG INE SPEED DOES NOT-INCREASE SUFFICIENTLY
Carburetor choke closed Clogged air cleaner Restricted fuel flow Clogged fuel tank cap breather hole (5) Clogged uffl er