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Old 04-19-2011, 01:25 PM
matthurd matthurd is offline
Motorized Bicycle Elite Member
Join Date: Dec 2010
Location: manchester NH
Posts: 817
Default Re: motor making a loud whirring sound?

Originally Posted by The_Aleman View Post
Pull the RS engine cover off and check that you have enough clearance around the big gear. Sometimes they can rub. Also put some grease on those gears and keep that pin n ball behind the cover under clutch release arm nice and greezy.
nothing is rubbing in that panel that shouldn't be as far as i can tell, i dind't grease that pin and ball, i'll give a try later.
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