1971-1973 Arctic Cat Snowmobiles Factory Service Manual, Page 63Get this manual
ENGINE SERVICING (WANKEL KM914B) Assembly Install the anti-friction disc (1), so that the bent down tabs (3) lock over the cast-in rib in the housingPress the bearing bushing (4) completely onto the housing center hubCoat the anti-friction disc lightly with Molykote oil
Pull the grip approximately in(20 cm) outwards and safety the cable disc with self-made spring winding tool