I suspect my starter clutch on the 85K100RS is broken. The starter is spinning but not engaging the engine. If I put the mc in gear and bump it a few times, the starter engages and the motor turns. I looked at Clymer. It looks rather complicated to fix. I have replaced clutch parts but have not removed the clutch assembly. How much more work is it to remove the clutch assembly and the intermediate housing? How expensive are the parts likely to be?