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 Copperhead 18 belt issues 
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MMT Pro Member

Joined: Wed Aug 04, 2010 3:19 pm
Posts: 345
Location: Tallahassee, Fl
Post Copperhead 18 belt issues
Last night my belt kept slipping off so I barely made it off the lake. I already has an extra belt just in case so I swapped em out this morning. Comparing the new and old belts it's safe to say it was time.
After i got the new belt on I noticed it slips back way off of the gear when running.
Is this normal or is something wrong?


Fri Nov 15, 2013 9:49 am
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MMT Addict

Joined: Wed May 27, 2009 3:50 pm
Posts: 646
Post Re: Copperhead 18 belt issues
You need to tighten your belt by shimming your engine up. By the amount of rubber on the back of the engine it has been slipping for a long time.


Fri Nov 15, 2013 10:41 am
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Joined: Wed Aug 04, 2010 3:19 pm
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Location: Tallahassee, Fl
Post Re: Copperhead 18 belt issues
What do I shim it with?


Fri Nov 15, 2013 11:01 am
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Post Re: Copperhead 18 belt issues
Most auto part stores sell shims. If not you can put a washer.


Fri Nov 15, 2013 12:22 pm
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Joined: Wed Aug 04, 2010 3:19 pm
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Location: Tallahassee, Fl
Post Re: Copperhead 18 belt issues
Alright thank ya


Fri Nov 15, 2013 12:40 pm
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Joined: Wed Nov 07, 2018 4:55 pm
Posts: 9
Post Re: Copperhead 18 belt issues
Where would you put the shims to correct this issue?


Sat Nov 10, 2018 10:09 am
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Joined: Wed Nov 07, 2018 4:55 pm
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Post Re: Copperhead 18 belt issues
Where would you put the shims to correct this issue?


Sat Nov 10, 2018 10:19 am
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MMT Member

Joined: Mon Aug 22, 2011 10:07 am
Posts: 25
Post Re: Copperhead 18 belt issues
Underneath the motor where it mounts to the frame. Also the teeth on the belt should be facing inwards to sit inside the teeth on the sprockets.


Mon May 27, 2019 11:12 am
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Joined: Fri Jan 10, 2014 1:16 pm
Posts: 2107
Location: Gladewater TX
Post Re: Copperhead 18 belt issues
The upper pulley should have a guide ring like on the front of sprocket.


Thu May 30, 2019 12:11 am
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