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Hi all. First time poster.

Swapped the Werkes exhaust back to stock for my driving exam (Aus) and now whenever I rev past 6K in any gear the bike feels really shakey and does not rev smooth or normally. I’ve tightened everything back up but it still very shakey and lots of vibrations past 6K RPM, definitely not how it was before. Bike is stock except for the Werkes and BMC filter.

Any thoughts? Cheers.
 

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The vibrations at 6000rpm + is typically and also a very common issue is a engine motor mount bolt that becomes loose. And even losing nut and bolt backing out and chain rubs on it (lower bolt by swingarm)
Put a socket on it and tighten. Most the time its only a 1/8th of a turn

BOTTOM ENGINE BOLT.JPG
bottom eng bolt chain rubbing.jpg
 
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