Why won't my engine start on my Mercury Optimax 150 outboard 2008?
The engine turns over fine, but there's no spark to the spark plugs. I do not hear the fuel pump working when I turn the key. Any suggestions on what I should check?
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many mercury motors use a rubber mounted prop on the shaft which is a sacrificial idea to prevent gear box damage and prop damage in with under water objects
what you suggests indicates that at certain load situations that rubber has failed and allowing the shaft to turn but is not driving the prop as required
It is driving just enough to give you steerage to get home
go google and type in--- mercury outboard motor manuals --and there are pages of download manuals
if there is not one for your engine then alter the url question to --manual for mercury outboard engine 150hp v6--and see what comes up.
I usually do cars and trucks, but if you are getting an electronic beep, you might go online and refer to an engine Manual for what you own. You may have a low oil lockout for the crankcase on a 4 cycle or a low oil cutoff alert for a 2 cycle with an automatic oil feed mixer. Some transition of inboard-outboard technology to outboards can include tilt lockout so that you can not start up in gear. Most prevent the starter from turning, but could keep the engine from firing if they want to wire it that way. With the "beeps" it would seem to be a Code.
Seems like you have fuel pump or spark coils /power pack problem you have to get all checked out properly it seems like there not checking it out properly
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