TOHATSU MFS 8B Owner's Manual page 85

83
TROUBLESHOOTING
Possible cause
Low compression
Carbon deposits in the combustion chamber
Incorrect valve clearance
Low oil pressure/level
Low oil level
Use of improper oil
Oil deterioration
Clogged oil strainer
Faulty oil pump
Incorrect adjustment of throttle link
Insufficient cooling water flow, clogged or defec-
tive pump
Faulty thermostat
Cavitation or ventilation
Incorrect propeller selection
Damaged or bent propeller
Improper thrust rod position
Unbalanced load on boat
Transom too high or too low
11