1980 Ski-Doo Shop Manual, Page 5Get this manual
SECTION 01 (TOOLS)
ITEM Dial indicator (T.D.Cgauge)
Engine timing, to determine T.D.C
APPLI CABLE TO All engine types
414 1047 00
Tone timer
Engine timing (static)
All engine types
414099000
Circuit tester (continuity light)