1981 Ski-Doo Shop Manual Supplement, Page 63Get this manual

SECTION 03 SUB-SECTION 05 (AIR INTAKE AND FUEL TANK)
Blizzard (all models) Grand Prix Special and MX Super SonicUltra Sonic

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives