1987 40 Hp outboard

Pennzoil1991 · #1 (**permalink**) 09-19-2011, 01:59 PM

I have a 40 Hp outboard 1987. I just had the trim hydrolic rebuilt and it raises and lowers but when I raise it slowly lowers on it own any ideas? Also my engine is having a hard time starting gas is getting to the plugs but I am not sure if there is spark any more ideas? Thanks for the help.

boats.net · #2 (**permalink**) 09-19-2011, 04:27 PM

Sounds like the trim valve is leaking or it was rebuilt improperly. You need to check for spark at the plugs.

Pennzoil1991 · #3 (**permalink**) 09-19-2011, 04:44 PM

I just checked the spark plugs the plugs on the outside are worn but the plugs them selves look good. Gas is getting to the plugs. I am starting to think I need to replace the plugs and wires on it.

boats.net · #4 (**permalink**) 09-20-2011, 03:03 PM

If there was no spark at the any of the plugs then your spark problem is mostlikely something else.

Pennzoil1991 · #5 (**permalink**) 09-27-2011, 10:50 PM

Motor runs fine now thanks for that. The trim has stopped working the pump is full on fluid and has pressure but will not lift. Any ideas?