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 what could it be 
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MMT Pro Member

Joined: Sun Nov 22, 2009 8:17 am
Posts: 73
Post what could it be
MY MOTOR IS BACK FIRING AND AS SOON I CRANK IT UP THE MUFFLER IS TURNING ALMOST WHITE CAUSE ITS GETTING SO HOT NEEEEED HELP


Thu Jun 03, 2010 8:24 am
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MMT Elite Member

Joined: Wed Mar 03, 2010 7:00 pm
Posts: 6060
Location: Choudrant, La
Post Re: what could it be
the backfiring might be a carberator problem,there could be water in your gas, and raw fuel may be burning in your exhaust. I would get new spark plugs and check your valve clearance and timing. Just my .02

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Thu Jun 03, 2010 7:28 pm
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MMT Pro Member

Joined: Sun Nov 22, 2009 8:17 am
Posts: 73
Post Re: what could it be
I know alittle mechanic stuff but could you give me advice on how to check my timing and valve clearance.


Thu Jun 03, 2010 8:47 pm
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MMT Super Elite Member

Joined: Fri Dec 18, 2009 8:10 pm
Posts: 16915
Location: Rowlett, TX
Post Re: what could it be
Here's a pretty good tutorial on setting the valves. The guy has a website with a few other good videos too.

[youtube]http://www.youtube.com/user/IFIXIT4U#p/u/5/j77Y5iwXTzg[/youtube]


Thu Jun 03, 2010 9:02 pm
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