Question about 2005 Yamaha Road Star Silverado

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05 roadstar front cylinder fouling

I replaced the coils. that wasent it. dont think its svs front cylinder. runs ok at start up but as i go down the road it starts missing on the front. left front plug is black. changed plugs. no dif? if i rev it with no load it gets worse?

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Sounds like valves are way out

Posted on Jun 23, 2009

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I have a 1999 yamaha roadstar. Earlier this year it acted like it was running only on one cylinder. I replaced front cylinder plaugs and ran great for a while, then the same thing. I replaced the front...


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