1974 Ski-Doo Shop Manual, Page 61Get this manual
Drive shaft free-play:
Instail assembled drive shaft into lower housing then llsmg fee ler gauge, check total free play between com p()nents installed on the drive shaft side of sprocket Free play must not exceed .006 to .012 inchIf free play not within tolerance, shim to correct toleranceGear change shaft free-play:
From the left side of vehicle, place th drive ax le wlthm the trackPush the end bearing Side of d:I lill,lUgl, tl orifice in left side of framePllSh the ; f!llnr:d ('IHi nf ilXiL! into gearbox lower sprocketInstCl l1 OPP( o,lllelll,'r' "yif' Press each end bearing housing int fr,lnH! bearingSecure housings to fram eInstall oil sealsNOTE: gap of approximatnly Hi 111( ;11 ;,11 ()uld exist between the end of tJr:drlnq IO ll''illlj ,1Il tl1r oil seal: Jr1(j
OVf!1 ,Ix lp
Install gear change shaft on upper housing then on out side of housing, position shimgear change levervVasher and nutTorque to 17 ftIbsUsing feeler gauge, check that free play of gear change shaft IS within tolerance of 0.006 to 0.012 inchIf free play is not within tolerance, record discrepancyRemove nutwashergear change levershimand gear change shaft Divide discrepancy by two and install that amount of shim on gear change shaftInstall shaft into upper housingInstall standard shim and baiance of shims on gear change shaftInst91 1gear change lever on shouldered end of change shaft so that lever and vent plug hole form 45 degree angleInstall washer and nut Torque to 17 ftIbs