Ski-Doo Ski Doo MX Z 2005 [1327/1429] Sparking
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Ski-Doo Ski Doo MX Z 2005 [1327/1429] Sparking

Ski-Doo Ski Doo MX Z 2005 [1327/1429] Sparking
Section 08 ELECTRICAL
Subsection 06 (TESTING PROCEDURE)
Analysis of Readings
Voltage Readings
When testing the different magneto components,
it is important to take into consideration that read-
ings vary according to the force applied onto the
manual starter. It is therefore important to employ
enough force upon each trial.
Doing 3 trials, the readings must each time be
within or above the range indicated in the corre-
sponding table. If the reading is too low, the part
is considered to be defective and it must be re-
placed.
Resistance Readings
Place multimeter selector switch to
in order to
measure resistance. Readings must be within the
indicated range. Otherwise, the part is consid-
ered to be defective and must be replaced.
CAUTION: When taking measurements, it is
useless to try to start the vehicle since readings
would then be distorted.
Intermittent Ignition Problems
It is difficult to make a diagnostic in the case of in-
termittent ignition problems. Thus, problems oc-
curring only when the engine operating tempera-
ture is normal must be checked in similar condi-
tions.
In most cases when problems are caused by tem-
perature or vibrations, these can only be solved by
replacing parts. Most problems cannot be detect-
ed when the engine is stopped.
Multiple Problems
As a matter of fact, more than one component can
be defective. As a result, if the problem remains
although a part was replaced, start over the whole
verification from the beginning in order to identify
the other defective component.
1. SPARKING
During this operation, it is important to use the
snowmobile spark plug and not a new one. Bring
theplugincontactwiththeengine. Ifnosparkis
produced, replace the spark plug with a new one
and do the test again.
2. ELECTRICAL CONNECTOR
TESTING
Make sure that none of the connectors are discon-
nected.
3. IGNITION SWITCH, DESS
SWITCH OR TETHER CORD
CUT-OUT SWITCH AND ENGINE
CUT-OUT SWITCH TESTING
Disconnect connector housing and check resis-
tance as indicated in IGNITION table.
A03E1IA
If readings are acceptable, go on to next step.
If readings are inadequate, individually check each
switch as follows.
Ignition Switch (key, if equipped)
Disconnect switch housing. Using a multimeter,
check between MAG and GRD terminals if the
circuit is open (0.L M
) in operating position and
if the circuit is closed (0 Ω
)inoffposition.
mmr2005-047 469

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