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Old 10-25-2015, 05:17 PM   #5
slonomo
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Yamaha
 
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,441
Default Re: Drive belt tension/belt burning

For normal sized belts, say less than 43", I'd go with 1" or less. I have always run mine as tight as I can manage. If they are lined up correctly you shouldn't have any troubles engaging too early. Check your alignment, make sure both clutches are lined up evenly. Also check the condition of the secondary clutch. If it's worn the belt will slip. Look for a lip/ridge on the lower part of the sheave faces. If the lip/ridge is pronounced, it's time for some clutch work/replacement. Check sliding sheave to make sure it slides free and smooth. You should be able to do this by pushing down on the belt....the belt will drop in the clutch, spreading the sheaves apart. It should be fairly easy. If not, it could be binding from lack of lubrication.
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