I expect to catch flak for this but....
Reply #9 –
If the rest of the everest is in decent shape pull off the heads, place a piece of wood on top of each piston and hit with a hammer *cowers in fear* alternating from side to side, a bit of ATFaround the rings will help too. I have had a few ancient sleds and have done this and it worked fine, sure its not ther best thing, smartest thing, or safest thing but what have you got to loose
And when you have to pee in 4' of snow stand on the runners facing backwards. If you try to stand on one side of the smowmobile after a few wobbly pops you'll probabally end up face down in the snow, and with the 'horse outta the barn' so to speak it'll get your attention :p