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Thread: Serpent 748 200mm nitro onroad kit
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Old 04-14-2014, 05:00 PM
  #75  
nitrodude
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Originally Posted by lil-bump
Never shim the shaft until there is no side to side play. .2 to .3mm should be good. Bad things happen when the shaft is not allowed to float. The 1st gear one way bearing might seize.
I would shim behind the flywheel cone on the engine as much as possible to correct the gear alignment. My gears are never 100% aligned and I have never stripped a gear.


Pass you soon...
Yep, you have to account for heat expansion, I run mine with up to 1mm of play and it works fine on the 977
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