2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 223Get this manual

2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 223

Power unit
Does the engine start? Yes

Check the compression pressure of the combustion chamber
Within specification? Yes Check the condition of the spark plugs againFailure in starting operation

Wet spark plugs? Yes Check the fuel system

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