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Old 11-05-2008, 10:27 PM
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tyrslider tyrslider is offline
Motorized Bicycle Elite Member
Join Date: Sep 2008
Location: RainCity
Posts: 958
Default Re: i been riding with air filter off, can it do harm?

Velocity stacks are used by racers who expect the most out of their motors for short periods of time. Race 2 strokes need completely rebuilt about every 10 hrs of run time and get top end attention more often than that. Most people I've known to race 2 strokes use filters even a drag racer I knew. That Unifilter Spooky Tooth sells is a race quality filter.
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