1981 Ski-Doo Shop Manual Supplement, Page 95Get this manual
SECTION 05 SUB-SECTION 03 (DR IVE PULLEY)
, -DRIVE PULLEY
For the following 1981 models:
SpiritElan Mirage SpecialCitation SS Nordik (refer to the Citation SS type drive pulley) Futura LCEverest LC Futura 500EEverest 500E Grand Prix SpecialSuper Sonic, Ultra Sonic Blizzard 5500, 7500, 9500 Grand Prix MXBlizzard MX (refer to Grand Prix Special and Blizzard 5500) AlpineElite