74-00-00
page 18
May 01/2007
Effectivity 912/914 Series
Edition 1 / Rev. 0
d02624
BRP-Rotax
Maintenance Manual
3.9) Cut-in speed of ignition
See Fig. 74-15
Ignition must cut-in between 150 rpm. and max. 220 rpm. of crankshaft speed.
To be checked with stroboscope and inductive pliers (see 00-00-00 sec. 10.5).
For this procedure, connect stroboscope (1) to battery (2) and clamp inductive
pliers (3) to the ignition cable of cylinder 1 (top) or cylinder 2 (top). These two
spark plugs are actuated by the trigger coil A1/2.
Start engine, aim stroboscope towards trigger coil A1/2 and observe flashing
light.
This procedure should be performed on all ignition cables.
◆ NOTE: A precise inspection is only possible on an ignition test bed.
00402
1
2
3
Fig. 74-15
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