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Просмотр инструкции снегоходы Ski Doo SUMMIT 2005, страница 1079
Section 04 ENGINE (4-TEC)
Subsection 05 (CYLINDER AND CYLINDER HEAD)
GENERAL
NOTE: Components which are identical for both
cylinders/cylinder heads are identified in the two
exploded views by the same number. Com-
ponents which are different or which are, for
instance, present on one of the cylinders/cylinder
heads but not on the other, have different num-
bers. The information given below always relates
to both cylinders/cylinder heads as a general rule.
Special reference is made in the text to work in-
structions which are not the same for cylinder 1
and cylinder 2.
NOTE: For cylinder head, cylinder and piston re-
moval, it is not necessary to remove engine from
vehicle.
NOTE: When diagnosing an engine problem, al-
ways perform a cylinder leak test. This will help
pin-point the problem. Refer to the instructions
included with your leak tester and LEAK TEST sec-
tion for procedures.
Always place the vehicle on a level surface.
NOTE: For a better understanding, the following
illustrations are taken with engine out of vehicle.
However, it is not necessary to remove engine
from vehicle to perform the following instructions.
Always disconnect the negative wire from the bat-
tery before working the engine.
Even though many parts do not need to be re-
moved to reach other parts, it is recommended
to remove these parts anyway in order to check
them.
For installation, use the torque values and service
products from exploded views. Clean threads be-
fore using Loctite product when installing screws.
When disassembling parts that are duplicated in
the engine, (e.g.: valves), it is strongly recom-
mended to note their position (PTO, alternator
side) and to keep them as a "group". If you find
a defective component, it will be much easier to
find the cause of the failure among its group of
parts (e.g.: you found a worn valve guide. A bent
spring could be the cause. It will be easy to know
which one among the springs is defective if you
grouped them at disassembly). Besides, since
used parts have matched together during the
engine operation, they will keep their matched fit
when you reassemble them together within their
"group".
SPARK PLUG
Removal
Unplug the stick coil connector.
Remove the stick coil no. 48.
Clean spark plug and stick coil area before disas-
sembly.
Unscrew spark plug no. 47 then use the stick coil
to take spark plug out of spark plug hole.
1
R1004motr65A
2
1. Stick coil
2. Spark plug
Inspection
Check spark plug and stick coil condition (refer
to COMPONENT INSPECTION AND ADJUST-
MENT).
Installation
For installation, reverse the removal procedure.
Pay attention to the following details.
Check spark plug gap (refer to TECHNICAL DATA).
Slightly oil the bottom outer part of the stick coil.
This will ease installation.
Place spark plug into stick coil, screw spark plug
then remove the stick coil. Torque spark plug to
17 N•m(150lbf•in). Reinstall the stick coil.
TEMPERATURE SENSOR
Temperature sensor no. 60 is located in the cylin-
der head 1 (front-side).
212 mmr2005-025
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