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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 681
Section05ELECTRICALSYSTEM
Subsection 01 (IGNITION SYSTEM)
IGNITION COIL
TEST
Primary
winding
resistance
Secondary winding
resistance spark
plug wires and
cap included
Secondary
winding
resistance spark
plug wires
removed
TEST
PROBES
BROWN/
BLACK and
BROWN/
ORANGE wires
Between both
spark plug caps
Male terminals
of coil
RESISTANCE
00.2 to 0.5 14.5 k to 23.5 k
9.6 k to
14.4 k
VOLTAGE
— — —
NOTE
Disconnect the
ignition coil
from the ECM
Do not attempt
to remove spark
plug caps from
the wires.
With spark plug
wires removed
from high voltage
coil.
DESS Post
DESS POST
TEST
Open circuit Continuity
TEST
PROBES
BLACK/WHITE and
BLACK/GREEN wires
BLACK/WHITE and
BLACK/GREEN wires
RESISTANCE
O.L. 00.0to00.5
VOLTAGE
— —
NOTE
DESS key removed DESS key installed
If readings do not correspond to the above men-
tioned indications, replace post.
Engine Cut-Out Switch
Check the condition of engine cut-out switch.
ENGINE CUT-OUT SWITCH
TEST
Open circuit Continuity
TEST
PROBES
BLACK/YELLOW and
BLACK wires
BLACK/YELLOW and
BLACK wires
RESISTANCE
O.L. 00.0 to 00.5
VOLTAGE
— —
NOTE
Engine cut-out switch
must be in RUN position.
Engine cut-out switch
must be in STOP position.
Crankshaft Position Sensor (CPS)
NOTE: Refer to ENGINE MANAGEMENT.
IGNITION TIMING
Normally ignition timing adjustment should not be
required. It has been set at factory and it should
remain correctly adjusted since every part is fixed
and not adjustable. The only time the ignition tim-
ing might have to be changed would be when re-
moving and reinstalling the magneto housing, re-
placing the crankshaft, the magneto flywheel, the
CPS or the ECM. If the ignition timing is found
incorrect, first check for proper crankshaft align-
ment. This might be the indication of a twisted
crankshaft. Refer to LEAK TEST AND ENGINE DI-
MENSION MEASUREMENT.
The ignition timing can be checked with either the
engine hot or cold. Also, the ignition timing is to
be checked at 3500 RPM with a timing light.
NOTE: Between 3000 and 4000 RPM, the spark
advance does not change. So when checking igni-
tion timing at 3500 RPM, a change in engine speed
within ± 500 RPM will not affect the timing mark
when checked with the timing light.
Scribing a Timing Mark
• Clean the area around the MAG spark plug, and
remove it.
• Install the TDC gauge in the spark plug hole,
(magneto side) and adjust as follows:
– Position the MAG piston at approximately
TDC.
A35C2NA
TYPICAL
– Assemble the gauge to the adaptor and tight-
en the roller lock nut. Do not tighten the
adaptor lock nut.
160 mmr2005-127
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