Engine vibration between 45-50mph

Fixing stuff and replacing bits to keep your LML road worthy.

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Engine vibration between 45-50mph

Postby needles » Sun May 14, 2017 2:08 pm

Hope you can help with a troubling vibration seemingly from the engine. It's at it's worst in 4th between 45-50mph. The vibration is felt through out the scooter. In lower gears the vibration can be felt at lower speed ranges. I've done 10k, km from new with no issues until now.

I've checked most of the nuts and bolts, stand, exhaust, inlet manifold, front folk etc but to no avail.

Any help would be greatly appreciated
Posts: 3
Joined: Thu May 28, 2015 12:36 pm
Scooter: in the Market

Re: Engine vibration between 45-50mph

Postby rob h » Sun May 14, 2017 9:09 pm

If your scooter is performing ok, is this new vibration or just the engine vibration from increased speed. All scooters vibrate, when you upgrade them it increases. If it is standard is it vibration from the engine at it's maximum most of the time. The only other cause is main engine mount check the bolt. Vibration at 45 on a standard, is that in third or top. It causes tool box rattles, handlebar vibration can be the locknut coming loose. The joy of two stroke. Sorry can't be of more help.
rob h
Posts: 162
Joined: Thu Mar 17, 2016 12:16 pm
Scooter: lml 150 star 2009

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