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Can you turn motorcycle rotors?
I am wondering if you can have motorocycle rotors turned or if you just replace them when they are worn. I know I can replace the pads, but I'd rather have the rotors turned than buy a new pair. They get expensive fast.

'85 Interstate with the poorboy kit!
#1 01-24-2007, 06:53 AM,
Yes, they can be turned but not like disk brake rotors from cars.

What's needed to true the rotors on your Wing is a lathe with stones that can grind a non directional finish on both sides of the rotor at the same time. Only a minimal amount of material should be taken off. If you read the rotor the minimum thickness will be marked on the rotor.
Ed (Vic) Belanger - 1954-2015
Founder of

#2 01-25-2007, 03:13 PM,
It might be best to take them to a machine shop that has a blanchard grinder.
Instead of trying to turn the rotors.
You are only talking about taking off .1-.2 mm per side at the most, which works out to .004-.008 thousands of an inch.
You will end up with a nice cross hatch on the rotors if they are ground.
#3 01-26-2007, 02:12 AM,

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