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Discussion Starter #1
hey guys i recently chop down my muzzy pipe and now my bike doesnt idle the same. before i cut the pipe it would idle smoothly at 1100rpm cold and 1300rpm warm. just wondering if anybody has experienced this ? if so what did you do to fix it.
 

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Discussion Starter #4
Your normal idle should be 1,100 rpm (+) or (- 50). 1300 is a tad high.
my bike has always idle at 1100rpm cold and once the temps go up it idles at 1300rpm. im thinking i might have to bump the idle up a lil or adjust the pc some.
 

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There is a little knob on the side of the bike. Just turn it up a little bit. You probably rub against it and turned it down by accident...or natural vibrations
 

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Discussion Starter #6
There is a little knob on the side of the bike. Just turn it up a little bit. You probably rub against it and turned it down by accident...or natural vibrations
i will bump up the idle some and see how it goes.
 

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did you take alot of the packing out of the exhaust to make it louder by chance???

my guess would be you changed you back pressure and prolly need to get your PC adjusted
 

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did you take alot of the packing out of the exhaust to make it louder by chance???

my guess would be you changed you back pressure and prolly need to get your PC adjusted
yea i cut about 10 inches off the can just for looks and sound. before i cut the can it idle fine around the rpms i mention earlier but now its not as smooth. i was thinking it was bc i lost some back pressure and might have to adjust the pc some. do you think i need to richen it some ? if so how much do you think.
 

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i have the same situation, i wouldn't call it a problem but I cut down my muffler as well and now experiencing the same result. My theory is when you cut the pipe you change the characteristics of the exhaust note, backpressure, and wave length, therefore you'd might have to bump up/turn down the idle to compensate. Just look at racebikes mainly motogp for instance, most of the bikes have 2 or 3 inch mufflers if any at all and they idle around 5-6000 rpm. In my opinion, just turn it up some.
 
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