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crank balancing/lightening
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  1. REV-XP / XM Chassis - Mountain Sleds
    Looking for some expert opinions here on the pros and cons of balancing/lightening the crank as a option ($675.00) as I am getting my 860 re-done by Dave at Trygstad motorsports to a 872 :) I want this motor to pull hard and take a beating so I am thinking from a reliability stand point the...
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