1984 Ski-Doo Shop Manual, Page 12Get this manual
SECTION 01 TOOLS
SUB-SECTION 02 (SERVICE TOOLS)
Cylinder aligning tool377, 447, 503 engines 420876171 462 engine 420 876 175 534 engine 420 876 570
Twin cylinder engines
377, 503 engines 420 240 275
Cylinder ali gning tool
Connecting rod holder420 977 900