Yamaha XS400 Piston Rings Set x2 1977 1978 1979 1980 1981 STD. size SOHC
This is a new in the package ring set (complete set of rings for both (2) pistons) for the 1977 1978 1979 1980 1981 Yamaha XS400 motorcycles. These are the the SOHC (Single Over Head Cam) models and not the later DOHC (Double Overhead Cam models). If you are looking to replace your rings on your stock original size Yamaha piston, then this is the correct part for you. This is a standard (STD.) ring set. This has the 2 compression rings and the lower 3pc oil control ring, everything to get your piston compression back where it should be. A great deal! Get your old bike up and running again. We only sell the best! Top-quality aftermarket item.
Correct for 1977-1981 SOHC models: