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Old 05-02-2011, 05:35 PM
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2door 2door is offline
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Join Date: Sep 2008
Location: Littleton, Colorado
Posts: 16,222
Default Re: Handle bar Pin Lock?

The hole/pin keeps the twist grip throttle from loosening and rotating on the handlebar. Some builders don't bother with it but rely on simply grinding off or removing the pin and tightening the throttle housing to the bar.
Most of us drill the hole, roughly a 3/16", which does not compromise the bar strength, and never worry about the throttle turning. Do what you're comfortable with but once ground off you can't replace the pin if it is the plastic one. The metal pins can be replaced if you find your throttle loosening. Good luck, ride safe.
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"

Last edited by 2door; 05-02-2011 at 05:44 PM.
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