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ContinuousWave: Whaler Repairs/Mods
yamaha blowing heavy oil 7 smoke
|Author||Topic: yamaha blowing heavy oil 7 smoke|
posted 10-07-2003 07:37 PM ET (US)
my 1989 70 yamaha is actually pouring out a puddle of oil thru the exhaust .i imagine it is the oil pump. maybe the diaphram or what about the check valve?
has anyone experienced this problem and what did you do to rectify it? i will probably switch to premix if it is the pump.
posted 10-08-2003 11:55 AM ET (US)
Get a manual but I doubt the pump. It could just be out of adjustment or choke is too rich, etc.
posted 10-08-2003 07:12 PM ET (US)
thanks bigshot .i do have a haynes manual but i didnt see anything about too much oil, just too little.
maybe i will run it without the oil pump and see if she runs ok.
i was wondering if i just sandwitched the plate between the pump and the motor if i would still have to seal of all those oil lines?
posted 10-08-2003 07:27 PM ET (US)
forgot .i just had it serviced where it ran well although it did blow a little smoke at low rpm. the mechanic said then he thought the pump may be comming a little bit of a problem.
posted 10-08-2003 07:35 PM ET (US)
A Haynes manual for an outboard? That would be a truely
wonderful thing, but there's no listing of these on the
posted 10-08-2003 09:06 PM ET (US)
Triblets right .it's a Clymer. i need a manual to keep track of my manuals.
Talked to a mechanic who thought that because the oil was black and coming thru the prop area that the fuel pump diaphragm had blown and gas was mixing in with the oil and washing the cylinders. i took the pump apart and the diaphragm looks good to me... a shame because this would have been a real easy fix.
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