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POPPING & BACKFIRE

This is a discussion on POPPING & BACKFIRE within the Yamaha YFM660R Raptor (2001-2005) forums, part of the Performance /Technical category; I HAD MY JETTS AND DMC FULL PUT ON TODAY . NOW MY RAPTOR MAKES A POPPING NOISE OUT THE BACK, SOMETIMES BACK FIRE. IS ...


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Old 03-21-2003, 09:51 PM   #1
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Default POPPING & BACKFIRE

I HAD MY JETTS AND DMC FULL PUT ON TODAY . NOW MY RAPTOR MAKES A POPPING NOISE OUT THE BACK, SOMETIMES BACK FIRE. IS SOMETHING WRONG OR THE POPPING AND BACKFIRE WOULD STOP
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Old 03-21-2003, 10:52 PM   #2
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my fires once and a great while but its just the stock with the spark arrestor out.....how is the power with the DMC??
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Old 03-21-2003, 11:51 PM   #3
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RAPTOR 02 THE POWER IS GREAT SO FAR SEEMS TO COME UP MORE. IT'S LOUD LIKE I WANTED IT TOO
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Old 03-23-2003, 02:47 PM   #4
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popping constantly or just if like aaaa if you give it fulll throtle or what? if its popps alot then the jetting is screwed.
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Old 03-23-2003, 04:22 PM   #5
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check the jetting along with your carb boots.
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Old 03-24-2003, 01:49 PM   #6
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your jetting is off,you want no popping on deceleration or at all,i had that problem and now no popping is heard..
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