BOMBARDIER 1980 Shop Manual page 157

3. Check air gap between magneto ring and trigger call.
The gap should be 0.8 to 1.2 mm (.031 to .047").
4. Check timing using a stroboscopIc timing light (on each
cylinder).
•
WARNING: Place ski tips against the wall, raise
rear of vehicle so the track is not in contact with
the ground and place it on a stand equipped with a
protector. Make sure nobody passes behind the vehicle
during timing procedure.
Magneto ring mark and crankcase central mark should
align at 6500 RPM.
u
Crankcase
central mark
SECTION 03
SUB-SECTION 03, (IGNITION TIMING)
If necessary to adjust: unscrew slightly the two (2) screws
holding trigger coil bracket. then move bracket up or
down.
O NOTE: Carburetor side trigger call controls magneto
side Ignition and exhaust side tngger coil controls
P.T.O. side Ignition.
If correct timing is impossible with trigger coil braket
travel, stop engine, remove bracket from crankcase and
relocate the trigger coil on its bracket.
(IGNITION TIMING). PAGE 9