1986 Ski-Doo Factory Shop Manual, Page 260Get this manual
Section 03 TRANSMISSION Sub-section 03 (DRIVE PULLEY)
CAUTION: This model Is equipped with drive pul ley of metric dimensionsWARNING: Drive pulley repairs that include any disassembly or assembly procedures must be performed by an authorized Bombardier dealer, or other such qualified personSub-component installation and assembly tolerances require strict adherence to procedures details
9, Inner half
If II IS necessary to remove inner half, use drive pulley puller no529 0028 00, 529 0048 00Metric threa ds
REMOVAL
1,4,5, Cap screw, outer halfgovernor cup
Lock the crankshaft by uSing one of the following method:
Ins8rt the crankshaft locking tool PIN 420 876 640 into the impulse hole of the engineSlowly rotate the crankshaft until it locks into positionCAUTION: Do not use any type of pin other than 'Y the tool PIN 420876640,
(529 0048 001
(529 0028 00)
CAUTION: This pulley has metric threadsDo not 'Y use standard thread pullerTo block engine crankshaft: