1982 Ski-Doo Shop Manual, Page 424Get this manual
Quality of the image is intentionally reduced!
SECTION 09 TECHNICAL DATA SUB-SECTION 07 (GENERAL INFORMATION)
2.55 89.76 U.SIIoz86.24 ImpIIoz
Blizzard 5500 MX, Sonic Everest 5OOE, Futura 500E
2.27 79.91 U.SIIoz76.77