about a month ago i had 5 new valves put into my bike (06 yz450) by my local shop because i didnt have the valve tools. recently i had time and i went to put my bike back together and i was alarmed to see that my exhaust cam was resting on top of the buckets and not touching the head. i even tried it with the smallest shim i have and it is still just resting on top of the buckets/spring. i then took my head off and apart to inspect it and the head is not dammaged and everything looks completely normal. the only conclusion i can think of is that the shop had installed the wrong valves in the wrong places. :banghead: does anyone here know the measurements of the valves? so that i know which one is which. there doesnt seem to be any markings on the valves to distinguish them from another.