Yamaha DT 400 MX (1977-1979) Engine Rebuild Kit Main Bearings Gasket Set & Seals

DT 400 MX Monoshock (1977-1979) Engine Rebuild Kit, Main Bearings, Gasket Set & Seals. DT 400 MX(rear monoshock models). DT 400 D E F (rear monoshock models). This engine rebuild kit has everything you need for a standard strip and service.