  I NEVER KNEW WHAT THIS PART DID TILL JUST NOW ???? IT KEEPS MORE OIL IN THE CAM TO FEED THE ROCKER ARMS AS IT FITS CLOSER AROUND THE CENTER BOLT GOING THRU THE CAMSHAFT. THUS KEEPING MORE OIL IN THE CAM/HEAD/ROCKER ARMS OIL NORMALLY FLOWS IN THE CAM FROM THE RIGHT AND EXITS ON THE LEFT BACK TO THE CAM CHAIN SIDE ATC70 78-85, C70 PASSPORT 80-83, CT70 80-82, TRX70 86-87, Z50R 80-91, Z50RD '86 |