If its crank bearings, leave the crankcase half bearing side down in the oven at 120Deg and they'll drop right out...:D
That was an early XR600RF engine, can't be much different on a later one?
Plus it'll give you more time for lifting those heavy cans, :)
PS, good looking dog there Matt:)
Make sure he gets to travel south with you when you come down:D
JC

