1970-1979 Ski-Doo Snowmobiles Service Manual, Page 19Get this manual
12 Brake Adjustment (Bombardier Self-Adjusting Disc) 1Rotate cable, adjusting nuts until no free play exists between brake lever and brake housing on handlebar2Measure gap between brake lever and brake caliperGap should be Ys in(50 3mm) on floating caliper type and Ys in(38 3mm) on floating disc type (Figure 3)On Blizzard 5500 models, gap should be 21 Ys in(57 3mm)Rotate adjuster nut until specified dimension is achievedNOTE: On floating caliper type it may be necessary to move brake light switch support to achieve specified gap
CHAPTER TWO