4 - 25
ENG
VALVES AND VALVE SPRINGS
2. Replace:
• valve guide
NOTE:
To ease valve guide removal and instal-
lation, and to maintain the correct fit,
heat the cylinder head to 100 ˚C (212 ˚F)
in an oven.
▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼
a. Remove the valve guide with a valve
guide remover
1
.
b. Install the new valve guide with the
valve guide installer
2
and valve
guide remover
1
.
c. After installing the valve guide, bore
the valve guide with a valve guide
reamer
3
to obtain the proper valve
stem-to-valve guide clearance.
NOTE:
After replacing the valve guide, reface
the valve seat.
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Valve guide remover
Intake (4.0 mm)
90890-04111
Valve guide installer
Intake (4.0 mm)
90890-04112
Valve guide reamer
Intake
90890-04113
3. Eliminate:
• carbon deposits
(from the valve face and valve seat)
4. Check:
• valve face
Pitting/wear
→
Grind the valve face.
• valve stem end
Mushroom shape or diameter larger
than the body of the valve stem
→
Replace the valve.
Содержание YZF-R7
Страница 1: ...5FL 28199 E0 YZF R7 OWNER S SERVICE MANUAL ...
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Страница 58: ...2 20 SPEC Crankcase tightening sequence TIGHTENING TORQUES ...
Страница 72: ...3 3 CHK ADJ ...
Страница 127: ...3 58 CHK ADJ CHECKING AND CHARGING THE BATTERY Charging method using a variable voltage charger ...
Страница 128: ...3 59 CHK ADJ CHECKING AND CHARGING THE BATTERY Charging method using a constant voltage charger ...
Страница 363: ...8 27 ELEC ...
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Страница 381: ...PRINTED IN JAPAN 98 12 0 5 1 CR PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...