4 - 36
ENG
VALVES AND VALVE SPRINGS
Valve guide remover:
Intake 4.0 mm (0.16 in)
YM-4111/90890-04111
Exhaust 4.5 mm (0.18 in)
YM-4116/90890-04116
Valve guide installer:
Intake 4.0 mm (0.16 in)
YM-4112/90890-04112
Exhaust 4.5 mm (0.18 in)
YM-4117/90890-04117
Valve guide reamer:
Intake 4.0 mm (0.16 in)
YM-4113/90890-04113
Exhaust 4.5 mm (0.18 in)
YM-4118/90890-04118
NOTE:
After replacing the valve guide reface the
valve seat.
3. Inspect:
●
Valve face
Pitting/wear
→
Grind the face.
●
Valve stem end
Mushroom shape or diameter larger
than the body of the stem
→
Replace.
4. Measure:
●
Margin thickness
a
Out of specification
→
Replace.
Margin thickness:
Intake:
0.8 mm (0.0315 in)
Exhaust:
0.7 mm (0.0276 in)
Содержание WR250F(N)
Страница 322: ...4 28 ENG 7 Install Oil tank breather hose Cylinder head breather hose Spark plug T R 13 Nm 1 3 m kg 9 4 ft lb CAMSHAFTS ...
Страница 600: ...5 67 CHAS REAR SHOCK ABSORBER 8 Install Band 1 Taillight connector 2 ...
Страница 684: ......
Страница 685: ......
Страница 686: ...PRINTED IN JAPAN 2000 11 2 5 1 CR PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...