Medium Frame Compact Utility Tractors (MCUT)
First time user. I have a JD 650 with the 2t 80 yanmar, 1982 I think. Motor got real tired last year, weak fuel injector pump. Had injectors, injector pump rebuilt. While apart replaced piston rings and bearings, reseated valves in head. Put it all back together and it ran the best it ever has...