Can I take a 340 from a 1979 Jag and put it into a 1992 Arctic cat Lynx? I have an opportunity to possibly acquire a free mint lynx body and figured since it has a 340 in it (bearing issue) that it could be swapped for the 340 free air out of a 1979 jag..
Because of the hood design on the '92 Lynx, this is not a good idea. FA engines need a lot of air. Now you should be able to install any 340 fan cooled engine that is a Suzuki or Spirit and be fine from 1979 to last year made. As far as I know, all the bottom ends were the same on that engine for almost 20 years.