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**davecrowley** · 19-10-2007, 08:48am

hi guys,this question has probably been talked about before. i have a 01 busa and only noticed it on way to and from the island(had bike 1 year first long ride has 37000 k)but at 4600 revs the engine vibrates instantly,maybe normal but boy does it kick in quick. is thereany reason for this because it feels like i may be doing harm to the engine. thanks///dave

**bear** · 19-10-2007, 10:17am

Check for loose bolts, particularly engine mounts! Not normal for a Busa.

**Volvi** · 19-10-2007, 10:25am

ermm i think theres a known vibration in the 4's, anyone else?

**Dan85** · 19-10-2007, 10:36am

both of mine vibed at about that rpm. unless its excessive and feels like its gonna fall apart id do a once over and not worry to much

**Gnarbunkle99** · 19-10-2007, 05:37pm

A resonance rpm of an inline 4 configuration, fear not, completely normal. Suprised you havn't noticed it before.

**davecrowley** · 20-10-2007, 03:12pm

had bike 1 year and taken it steady in metro area and the island was 1st trip.thanks for the info guys///dave

**Gnarbunkle99** · 20-10-2007, 04:27pm

Cool.

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