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08-20-2015, 10:26 PM | #1 |
Getting Wild
Join Date: Feb 2009
Location: westvirginia
Posts: 137
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91 marathon 3pg won't run
i have a 91 marathon 3pg 2 stroke that was sitting for a while I started it one day and moved it went back about a week later nothing battery is good cranks over got air fuel and fire but it just won't run anyone got a manual that I can download
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08-20-2015, 10:34 PM | #2 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: 91 marathon 3pg won't run
The fact that it is cranking is a good start. Air, fuel, and fire is a different story.
It needs to have the right amount of air/fuel ratio, and fire at the right time to be able to start and run. It also needs to have good compression. Spray a 2-second shot of carb cleaner into the carb(WOT) before cranking, then see if it will fire up. |
08-20-2015, 10:42 PM | #3 |
Getting Wild
Join Date: Feb 2009
Location: westvirginia
Posts: 137
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Re: 91 marathon 3pg won't run
thanks 89 I will try that in the morning I did try some starting fluid but not at wot it's crazy kinda like out of time it wants to fire but wont run
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08-20-2015, 10:47 PM | #4 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: 91 marathon 3pg won't run
If it was running before, and you changed nothing, it is probably something simple.
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08-21-2015, 01:52 PM | #5 |
Getting Wild
Join Date: Feb 2009
Location: westvirginia
Posts: 137
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Re: 91 marathon 3pg won't run
tried the carb cleaner with no luck 89 do you know what compression should be I am going to get a tester today. also I am getting smoke out of the carb air intake after trying to start
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08-21-2015, 06:01 PM | #6 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: 91 marathon 3pg won't run
You want at least 100 minimum, but it should start and run decent with 90.
Try a new plug. |
08-24-2015, 04:37 PM | #7 |
Getting Wild
Join Date: Feb 2009
Location: westvirginia
Posts: 137
|
Re: 91 marathon 3pg won't run
hey 89 you would not believe what was wrong with my buggy
I pulled the muffler off and it fired right up after inspection of the muffler the tail pipe was packed full of mud so some little critter played one heck of a joke on me I cleaned it out and it rung fine |
08-24-2015, 05:08 PM | #8 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: 91 marathon 3pg won't run
That's great, and a cheap fix!
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