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Loud Fan sound

233 Views 0 Replies 1 Participant Last post by  labassjustin92
Why does my 2007 yamaha r1 fans abnormally loud.. it's sounds like a fan going. Also what causes the bike to Rev higher than normal cuz I used to be at 5000 rpm at 75 mph but now it's at 6500rpm.. any ideas would be appreciated.. thank u
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