Part no. 25322-20001. Has some minor surface rust due to the age, still very useable. Click on a picture to see in enlarged view.
Fits:
T125II (1971)
T125R (1971)
TM400 (1971)
TM400 (1972)
TM400 (1973)
TM400 (1974)
TM400 (1975)
TS400 (1972)
TS400 (1973)
TS400 (1974)
TS400 (1975)
TS400 (1976)
TS400 (1977)