- Тип техники
- Бренд
Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 1093
Section 04 ENGINE (4-TEC)
Subsection 05 (CYLINDER AND CYLINDER HEAD)
A
R1004motr102A
A. Valve stem diameter
VALVE STEM DIAMETER
MINIMUM (NEW)
Exhaust 5.946 mm (.2341 in)
Intake
5.961 mm (.2347 in)
MAXIMUM (NEW)
Exhaust 5.960 mm (.2346 in)
Intake
5.975 mm (.2352 in)
SERVICE LIMIT
Exhaust
Intake
5.93 mm (.233 in)
Replace cylinder head if valve guide is out of spec-
ification or has other damages such as wear or
traces of friction.
VALVE GUIDE DIAMETER
SERVICE LIMIT
Exhaust
Intake
6.060 mm (.2386 in)
Valve Face and Seat
1
3
R1004motr103A
2
1. Valve seat
2. Exhaust valve contaminated area
3. Valve face (contact surface to valve seat)
Check valve face and seat for burning or pittings
and replace valve or cylinder head if there are signs
of damage.
Ensure to seat valves properly. Apply some lap-
ping compound to valve face and work valve on
its seat with a lapping tool.
Measure valve face contact width.
NOTE: The location of contact area should be in
center of valve seat.
Measure valve seat width, using a caliper.
VALVE SEAT CONTACT WIDTH
NEW
Exhaust
1.25 to 1.55 mm
(.049 to .061 in)
Intake
1.10 to 1.30 mm
(.043 to .051 in)
SERVICE LIMIT
Exhaust 1.8 mm (.071 in)
Intake
1.6 mm (.063 in)
If valve seat contact width is too wide or has dark
spots, replace the cylinder head.
226 mmr2005-025
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