1985 Ski-Doo snowmobile Service Manual, Page 454Get this manual
Section 07 CHASSIS Sub-section 01 (HOOD)
RETRACTABLE HEADLAMP ADJUSTMENT
Safari 377E, 447, Grand Luxe LC
Assemble all rectractable headlamp mechanism without bolting gear coverPlace the rack on the pinionRack and pinion adjustment is correct when at the headlamp housing opening second step is felt which locks the housing in placeTwo reference points are necessary to achieve that adjustment (see illustration below):Operating lever must be located 13.0 mm (112 inch) before cab slot end when headlamp housing is open- Rack must have two teeth outside gear cover when headlamp housing is openTighten gear coverTwo (21 teeth outside