- Тип техники
- Бренд
Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 1082
Section 04 ENGINE (4-TEC)
Subsection 05 (CYLINDER AND CYLINDER HEAD)
– rocker arm shaft no. 42 with rocker arm assem-
bly (exhaust side no. 43 and intake side no. 44).
Inspection
Spark Plug Tube
Check seals on spark plug tube. If seals are brittle,
cracked or hard, replace spark plug tube.
1
R1004motr72A
2 3
1. Spark plug tube
2. Seal to the valve cover
3. Seal to the cylinder head
Rocker Arm
Inspect each rocker arm for cracks and scored fric-
tion surfaces. If so, replace rocker arm assembly.
Check the rocker arm rollers for free movement,
wear and excessive radial play. Replace rocker
arm assembly if necessary.
2
R1004motr73A
1
A
1. Rocker arm (intake side)
2. Roller
A. Bore for rocker arm shaft
R1004motr74A
2
1
A
1. Rocker arm (exhaust side)
2. Roller
A. Bore for rocker arm shaft
Measure rocker arm bore diameter. If diameter is
out of specification, change the rocker arm assem-
bly.
ROCKER ARM BORE DIAMETER
MINIMUM (NEW) 20.007 mm (.7877 in)
MAXIMUM (NEW) 20.020 mm (.7881 in)
SERVICE LIMIT
20.035 mm (.7887 in)
Press the hydraulic lifter with your thumb. If the
hydraulic lifter groove disappears inside rocker
arm casting, replace rocker arm assembly. Lifter
must turn freely in rocker arm bore. Otherwise,
replace.
1
R1004motr75A
1. Hydraulic lifter groove
Rocker Arm Shaft
Check for scored friction surfaces, if so, replace
parts.
Measure rocker arm shaft diameter.
mmr2005-025 215
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