1981 Ski-Doo Snowmobile Series Shop Repair and Maintenance Manual 484039700 & 484044200 Supplement

Professional Keyword Searchable Factory OEM Manual – 889 Pages
(Not Aftermarket like other sellers)

Covers the following 1981 SkiDoo Models with the engine sizes listed below:
247 Engine
277 Engine
354 Engine
377 Engine
454 Engine
464 Engine
503 Engine
640 Engine