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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 1092
Section 04 ENGINE (4-TEC)
Subsection 05 (CYLINDER AND CYLINDER HEAD)
2
R1004motr99A
1
1. Position of the valve spring
2. Valve cotters
VALVE
Removal
Remove valve springs.
Push valve stem then pull valves no. 13 and no. 14
out of valve guide.
1
R1004motr100A
2
1. Intakevalve38mm
2. Exhaust valve 31 mm
Remove valve stem seal no. 15 with special pliers
such as Snap-ON YA 8230.
R1004motr101A
Inspection
Valve Stem Seal
NOTE: Inspection of valve stem seals is not need-
ed because new seals should always be installed
whenever cylinder head is removed.
Valve
Inspect valve surface, check for abnormal stem
wear and bending. If so, replace by a new one.
Valve Stem and Valve Guide Clearance
Measure valve stem and valve guide in three
places, using a micrometer and a small bore
gauge.
NOTE: Clean valve guide to remove carbon de-
posits before measuring.
Change valve if valve stem is out of specification
or has other damages such as wear or traces of
friction.
mmr2005-025 225
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