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2001 raptor 660 jetting

brandon2013

By brandon2013
in Yamaha ATV Forum

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brandon2013 Rookie

brandon2013

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I was going to jet my raptor 660 I was planning on running without a aibox lid. What do you recommend on the jet sizes. Another website said 155l 160r 25 pilot jets. I also have a stock exhaust. Will I notice any power difference if i jet my quad and run without a airbox lid.

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