hi all, i have a crf 450 05 which had a hole in the crankcasing around the kickstart area (long story), i have obtained another bottom end which had dropped a valve and smashed the piston, the crank appears ok but there is swarf around, is splitting the cases and cleaning manually the only way to go or is there an easier way to clean the oil sump and crank area. also if stripping is the only way where is the best place to buy an alternator rotor puller, clutch basket holder and special tool for the primary drive gear. thanks