I'm not understanding something. If you don't have any washer under the bolt, won't it gall up the mating surface of the head? Kohlers have a thick washer under the bolt.
Actually, where there are no washers, there is something between the bolt head and head surface. There is a heavy bracket under 3 of the bolts that serves to mount the gas tank tray, one of which also helps hold the side cover or cooling shroud. 2 more bolts also hold the same cover on. #9 bolt holds a bracket that holds the choke cable. There are just 3 that contact the head dirrectly, #1, #3, and #8. These do have a washer, but just one.
The manual says there should be a flat washer with the sharp side toward the bolt head, then the belleville, with the crown up, then the head bolt.
Edited by robert_p43, April 07, 2013 - 01:42 PM.