Well let's see, original final dr was splattering seems like since I bought the bike, played it off as spline grease for awhile, level never low. Took it in, can't remember mileage but they replaced the inner seal and bearing, started leaking again, replaced inner and outer seal, bearing and o-ring, started leaking again out of warranty, brand new final dr assy. All is well...great bike eats miles...early 07/07 ABS production date bought new 2/08...