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Unread 03-02-2013, 08:11 PM   #1
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small engine question

This is as good a place as any on CGR to pose this question. When I pull the pull cord on my chainsaw it sounds awful. It's hard to describe the noise .... almost like maybe there's medal hitting medal (clack, clack, clack???) . When I pull the spark plug out (I did this just to look inside) and pull the cord it makes no unusual noises...just sounds like everything's turning over, but of course it's not trying to start. Put the plug back in....same bad noise. Any ideas?

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Unread 03-02-2013, 08:56 PM   #2
and you were wondering??
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I have very little mechanical knowledge, but could the spark plug be causing the engine to fire incorrectly? Could the amount of gap in the plug being too much or too little cause this?
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Unread 03-02-2013, 09:53 PM   #3
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If you haven't used it in awhile I would check all the gas lines on it. The other thing I would do is maybe spray some carb cleaner in it especially if you let gas sit in it for awhile.
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Unread 03-02-2013, 10:01 PM   #4
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Originally Posted by Thrash View Post
I have very little mechanical knowledge, but could the spark plug be causing the engine to fire incorrectly? Could the amount of gap in the plug being too much or too little cause this?
Wow, hadn't thought about this. It's a pretty new saw but....???? Maybe I'll just grab a new plug, they're only a few dollars.

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If you haven't used it in awhile I would check all the gas lines on it. The other thing I would do is maybe spray some carb cleaner in it especially if you let gas sit in it for awhile.
It's less than a year old and has been used every few months. Who knows though, I'll check this out as well.
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Unread 03-03-2013, 02:09 AM   #5
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Does the noise begin when the engine starts, or just when the cord is pulled?

If the engine is started, is the bar secured and fit into the slots properly and snugly? If not, I can imagine the idling engine causing that noise... or if the chain is hanging too loose (which is dangerous anyway...).
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