Thread: BMW airhead motorcycles
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  #7  
Old 09-12-2010, 12:50 AM
catmandoo62 catmandoo62 is offline
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Join Date: Mar 2006
Posts: 1,361
Quote:
Originally Posted by Jim H View Post
A properly-adjusted valve train on an 'airhead' makes a finely-tuned clicking sound.
commonly refered to as"sounding like a sewing machine.i had a 78 r100s.best bike i ever had,wish i had it back.
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