1980 Ski-Doo Shop Manual, Page 286Get this manual
SECTION 05 SUB-SECTION 09, (DRIVE CHAIN)
DRIVE CHAIN
GENERAL
There are three (3) types of the Bombardier drive chains; single !" pitch, double i" pitch, and triple i" pitchFor proper use refer to Technical Data
CHAIN SEPARATION
When separating an endless chain, always use chain bearing pin extractorAlso, make sure to remove one
complete linkt"
SINGLE LINK
TRIPLE LINK