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Engine vibration

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Hello yellow fellows, I have a 06rm250 that I bought new in 06. The thing I wonder is how much this bike vibrates compared to others. I have no one around who has a rm so it's hard to compare with anyone but the bike is buzzing my feet so much it vibrates. I could only compare to a yz250 and the vibration was much less on the yz. How much is normal? Is it possible that I stumbled on a mis-balanced crank?

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My rm250 vibrates like crazy when revving the piss out of it. But normal vibrations when down low. Mid revs vibrates a lot too. 

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Does anyone know if the vibration is much less when using a crank that has been balanced from a place like Falicon crank or another comparable?

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I would start with basics and check all the motor mounts including the swingarm bolt. I've had cranks balanced in the past and have never found it to be worth the $ spent. You might also want to check your flywheel nut and clutch basket torque if the motor mounts are in spec.

If it's an 06 with 20 hours I suspect loose motor mounts.

Good luck!

 

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