ACCS is the altitude compensator, supposedly you don't need to change jets for elevation changes. There were two different cylinders used for those non-VES 700's. The "220" cylinders were the better performers, but the "824's" were more durable.
1974 Arctic Cat Cheetah 340
Gonna be set up for ice fishing. Should be good for it's purpose!
Most snowmobile problems are caused by a loose nut connecting the handlebars to the seat.