Raptor 660 slugush - Yamaha ATV Forum
 
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post #1 of 2 Old 05-27-2018, 09:26 AM Thread Starter
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Join Date: May 2018
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Raptor 660 slugush

Hi i have a raptor 660 it has a yoshimira pipe and thats the only upgrade. It seems to be sluggish and not have as much power as my buddies 660. And ideas to make it have more power? His pulls if in 3rd gear no problem mine a different story... im new here sorry if im in the wrong spot.

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miamihighrise8 is offline  
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post #2 of 2 Old 05-29-2018, 09:36 AM
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Join Date: Feb 2015
Location: southern oregon
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Garage
you need to open the air box and rejet to get any advantage out of the pipe. that machine is limited by the intake from the factory by a small intake. so no matter how big the pipe is you can only get some much air through the intake. that is most likely the difference but there are hundred of things that can make a machine run different from another. so start there and see what happens
cory52000 is offline  
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