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Old 09 April 2010, 13:36   #1
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My outboard won't start

Washed RIb, did all the little jobs i'd promised to do over the winter, recovered the seats, fited that wee bilge pump I bought last summer, all sorted!

Saved the best for last!

Fresh fuel, all primed, turned key!

Starter kicked in, over and over and over.

No life!

Nothing that sounds like a spark!

Now battery pretty flat and starter red hot!

Mariner 90hp

Any thoughts guys?
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Old 09 April 2010, 13:42   #2
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Have you had a look at the spark plugs?
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Old 09 April 2010, 13:55   #3
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Pulled then HT leads off, cleaned them.

Unscrewed the plugs, cleaned them.

Put it all back together.

No change!
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Old 09 April 2010, 13:58   #4
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Heading out for the night.

Back on all day tomorrow!

Cheers
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Old 09 April 2010, 14:00   #5
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Killswitch contact?
In-gear interlock?
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Old 09 April 2010, 14:01   #6
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Is it sparking?
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Old 09 April 2010, 14:20   #7
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Is the fuel tank vent open ? go check it again, ive spent hours only to find it such
a simple mistake. ( but didnt tell her indoors or she would laugh too much)

Is there any fuel at the engine end ? if not mght be trapped air in fuel line.

Did you oil up the pistons went to last pout it away to save corrosion ?

Was the carb empty when last used ? could be well full of varnish if not.
Nowdays petrol starts to go funny after just 6 weeks if left standing still !!!


phill
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Old 09 April 2010, 15:13   #8
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Quote:
Originally Posted by Orville View Post
Killswitch contact?
that would certainly be high on my agenda to check.
Quote:
In-gear interlock?
does that not disengage the starter rather than short the spark? i.e. it won't turnover
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Old 09 April 2010, 16:19   #9
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Slow down. Start with the basics.

Sparks, fuel, compression.
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Old 10 April 2010, 05:29   #10
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Wil go through the basics again.

Assume to check for a spark I neet to remove a plug, reattach the HT lead and hold the business end against the head!?

Kill switch in place.

Will check the vent isn't stuck shut on tank.

Hand cranked fly wheel a half dozen times to ensure there was fuel/oil around the head before starting, no seize issues, turning fine.

Not sure how i check to see if their is old fuel still in the system!

At least it is a lovely day here is Scotia!

Firth of Forth is like a mill pond!

Need to get out there!!!!!
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