Maintenance & Technical > KX500 Original

Mainjet adjuster? Doordie please explain

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Johnniespeed:
Yes those are gaiters!  Also the rubber boots on a cars rack and pinion were referred to as "gaiters" on the new car prep we were supposed to check the Gaiters  for "security and chaffing"  Another word used in reference to English cars was "trunion" .
 I  believe you are right concerning the drilling of the crank web to compensate for piston weight loss. ( if we were doing it perfectly)

Brett:
Changing crank balance to suit a 30g piston weight change is a crock of s**t, cranks are only ever perfectly balanced at 1 speed and so a tiny 30g change would only change the perfect balance by 1 or 2 hundred rpm.

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