TimCC

Give it a good cleaning so you can be sure where the leak is coming from. It’s surprising how a little dust will spread the oil everywhere and make it hard to localize the problem.

If it’s coming from the drain bolt, it could be a re-used crush washer or the bolt under torque. If it’s loose, snug it up a little, but don’t exceed the torque…[Read more]

The rotor might be within spec and still be causing a little bit of drag and pulse while braking. This might be easily resolved with a little more grease on the caliper slide pins. I’ve heard many types of motorcycles have a problem of insufficient lubrication to bearings and other moving parts.