hey all just wanted some info on a OS 40 la. i have had it for about 3 yrs and i never got it up and running and last week i pulled it out and some how burned up the piston and sleeve. i can't get it to rev up either it tach's about 2800 rpm and when i open the Throttle the engine does not power up and i'm running on Davis diesel that is about 3 yrs old and the can was sealed and u could still smell the either in it. i even tried to and either to it with a can of starting fluid and now it won't fire ( didn't fire before i tried it either it stopped running) so can someone tell me whats wrong i have a Davis diesel head on it and running on Davis diesel fuel. i need HELP BADLY CAN'T AFFORD A PAW DIESEL.