1974 Ski-Doo Shop Manual, Page 115Get this manual

1974 Ski-Doo Shop Manual, Page 115

Cooling System Heat bearing housing to 140 -160 Fprior to bearing removal or installationLock fan pulley with special holder wrench or install pulley retaining nutISee Tool Section)
Caution: Never use sharp object to scrape away old sealant as score marks incurred are detrimental to crankcase sealing
INSTALLATION,
To install engine on vehicle, inverse removal procedureHowever, pay attention to the following: Check ignition timing prior to installation in vehi cle Check tightness of engine mount nuts After throttle cable installation, check carburetor maximum throttle opening Check pulley alignment
Shimls) located between pulley halves are used to adjust fan belt free-playCorrect free-play is "If necessary to adjust install or remove shim Is) between pulley halvesInstall excess shim Is) between outer pulley half and washerAt assembly, torque fan shaft nut to 42-50 ft-Ibs