Lubrication System - TOHATSU MFS25 Service Manual

O
Troubleshooting
K
Check needle valve of
vapor separator.
Normal?
YES
Check ignition system,

lubrication system

and/or cooling system.
Check engine oil level.
Within specified
range?
YES
Check oil pressure switch.
Normal?
YES
Measure hydraulic pressure.
Normal?
YES
Check ignition system,
fuel system and/or
cooling system.
9-12
Lubrication System
NO
Check oil pump for damage
and oil leak.
Clogging or leak?
Clean or replace
defective parts.
NO
Replace needle valve.
NO
NO
Replace oil pressure switch.
NO
YES
Add engine oil to
specified level.
Check oil passage.
25/30 2006