1972-1981 Polaris Snowmobiles Master Repair Manual, Page 334Get this manual

1972-1981 Polaris Snowmobiles Master Repair Manual, Page 334

Quality of the image is intentionally reduced!

ENGINES
Remove the pressure cap and both rear caps from the heat exchangers (bolted versions)Remove the drain plug from the front of the cylinder block
FILLING AND BLEEDING PROCEDURE