Ski-Doo Ski Doo MX Z 2005 [1283/1429] Warning
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Ski-Doo Ski Doo MX Z 2005 [1283/1429] Warning

Ski-Doo Ski Doo SUMMIT 2005 [1283/1429] Warning
Section08ELECTRICAL
Subsection 01 (IGNITION TIMING)
• Lock outer ring in position.
– From this point, rotate magneto flywheel back
1/4 turn then rotate it clockwise to reach the
specified position. Refer to TECHNICAL DATA.
Check if red fin aligns with mark on fan cowl.
A05E0TA
2
1
1. Fan cowl timing mark
2. Red fin
If marks do not align, there is something wrong
with fan mounting. Check Woodruff key and fan.
CAUTION: Always check the timing with a
stroboscopic timing light at 3500 RPM after the
marks have been checked.
Checking Ignition Timing
NOTE: To perform this procedure we strongly rec-
ommend a stroboscopic timing light which is able
to exceed 3500 RPM.
– Connect timing light pickup to the spark plug
lead. Use a digital induction type tachometer
(P/N 529 014 500).
529 014 500
TACHOMETER
Connect tachometer wire to spark plug wire or aim
tachometer toward spark plug wire without using
any connection wire.
WARNING
Place ski tips against a wall, raise rear of vehicle
on a stand so that track does not contact the
ground. Do not allow anyone in front or behind
the vehicle while engine is running. Keep clear
of track and do not wear loose clothing which
can get caught in moving parts.
– Start the engine and point timing light straight
in line with the fan cowl timing mark. Bring
engine to 3500 RPM (3000 to 4000 RPM) for
a brief instant.
A05E03A
2
1
TYPICAL — TUNDRA
1. Fan cowl timing mark
2. Red fin
– Check if the red fin aligns with the fan cowl
timing mark. Tolerance is ± 1°.
If the red fin aligns with the fan cowl timing mark,
timing is correct. If not the case, check for proper
flywheel, trigger coil position or MPEM.
The RER ignition system is not adjustable. Only
trigger coil air gap can be verified. Refer to MAG-
NETO SYSTEM.
443 and 552 Engine Types
If for any reason, ignition timing accuracy is sus-
pected, it can be verified as follows.
NOTE: Ignition timing can not be adjusted (trigger
coil is fixed). If ignition timing is not within spec-
ifications, a component is either defective or bro-
ken.
422 mmr2005-042

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