Yamaha Discussions about Yamaha ATVs.

Anybody modify the stock Raptor silencer?

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Old Aug 7, 2001 | 08:59 AM
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GuyRaptor's Avatar
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Anybody ever done this? Noticeable power gain? What jets did you end up running?

Thanks for any help.
Guy
 
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Old Aug 7, 2001 | 09:38 PM
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ProWedgee's Avatar
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Yes,very noticeable power gains w/out baffel,I just did it until a shootout comes out. As far as jetting goes,I have more air intake,so I tried 155 160 w/ airscrew out 1 1/4 past stock. After about an hour of ride I blew a hole in my carb boot. I still think I'm getting to much air,and I'm sick of tearing the carbs off to try different jets. I'd just leave it stock and don't modify it at all!
 
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Old Aug 8, 2001 | 10:46 AM
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IceMan11's Avatar
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How the heck did you get the baffel out? There is one screw that holds it in. I removed that, but it seems like it's stuck in there...

2001 Yamaha Raptor (GYT-R Bumper, GYT-R Graphics, DG Skid Plates, Pro Design Kill Switch)
1988 Yamaha Warrior (too many mods to list... FOR SALE)
 
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Old Aug 8, 2001 | 11:35 AM
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My buddy pulled his out with some vice grips and did NOT have to rejet. He claims it did make a noticeable difference. If you dont destroy the baffle when extracting it, which you shouldnt, you can put it back in if you want. It may take some pulling, but it will come out...

RoostKing...
 
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