This is the friction plate that helps the starter pawls to engage the starter pulley.
After continued use the plate can become worn and not allow the pawls to fully engage.
Replace your worn friction plate with this part.
Fits ATC90 all, ATC110 79-85, ATC185/S 80-83, ATC200 81-83, ATC200E 82-83, ATC200S 84-86.
DOES NOT FIT ATC70.
