Ski-Doo Ski Doo MX Z 2005 [988/1429] Section 03 engines 2 stroke

Ski-Doo Ski Doo MX Z 2005 [988/1429] Section 03 engines 2 stroke
Section 03 ENGINES (2-STROKE)
Subsection 04 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
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1
1. Combustion chamber
NOTE: When checking the combustion chamber
volume, engine must be cold, piston must be free
of carbon deposit and cylinder head must be lev-
eled.
Remove both spark plugs and bring one piston
to Top Dead Center a using a TDC gauge.
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1. Bring piston to TDC
Obtain a graduated burette (capacity 0-50 cc)
and fill with an equal part (50/50) of gasoline and
injection oil.
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1. Graduated burette (0-50 cc)
Open burette valve to fill its tip. Add liquid in
burette until level reaches 0 cc.
Inject the burette content through the spark
plug hole until liquid touches the top of the
spark plug hole.
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1. Top of spark plug hole
NOTE: The liquid level in cylinder must not drop
for a few seconds after filling. If so, there is a
leak between piston and cylinder. The recorded
volume would be false.
Let burette stand upward for about 10 minutes,
until liquid level is stabilized.
Read the burette scale to obtain the quantity of
liquid injected in the combustion chamber.
mmr2005-013 115

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