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Blower belt adjustment.

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Blower belt adjustment.

 
Old 11-29-2010, 03:37 PM
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Default Blower belt adjustment.
Does anyone know how much deflection should be on B&M 420's. The power is 509's. Thanks
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Old 11-29-2010, 05:57 PM
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Which type belt are you running?
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Old 11-29-2010, 09:02 PM
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Don't you adjust the tension on the BM blowers until the correct gap is acheived between the idler pulley bracket and mount? At least my 250 was that way.
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Old 11-29-2010, 10:52 PM
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Default Fixx
if their from a 6,800 sc they have a spring loaded tensioner and their self adjusting..
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Old 11-30-2010, 06:50 AM
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if its an 8mm drive, about 1 inch side to side slop when fully cold will be fine.
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