The cam chain guide works in unison with the cam chain tensioner to ensure the cam chain tracks correctly and retains proper tension.
It should be replaced with the tensioner or during top end rebuild.
Suits ATC185/S 80-83, ATC200 81-83. ATC200E/ES 82-84, ATC200X 83-85, ATC200S/M 84-86, TRX200 ’84.
