TOHATSU MFS 25B Manual Del Propietário página 74

*1: Horn also sounds continuously.
*2: Horn also sounds intermittently.
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Low compression
Carbon deposits in the combustion chamber
Incorrect valve clearance
Low oil pressure/level, oil pump failure, Clogged oil filter
(Pressure switch ON)
Insufficient throttle aperture
Insufficient cooling water flow, clogged or defective
pump
Faulty thermostat
Cavitations or ventilation
Incorrect propeller selection
Damaged or bent propeller
Improper thrust rod position
Unbalanced load on boat
Transom too high or too low
A great deal of air is contained inside pump
TROUBLESHOOTING
Possible cause
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