5-22
VALVES AND VALVE SPRINGS
ENG
NOTE:
NOTE:
Out of specification
Replace the valve
guide.
Valve-stem-to-valve-guide
clearance
Intake 0.010
0.037 mm
<Limit>: 0.08 mm
Exhaust 0.025
0.052 mm
<Limit>: 0.1 mm
2. Replace.
D
valve guide
To ease valve guide removal and installation,
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 a 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.
After replacing the valve guide, reface the valve
seat.
Valve guide remover (5.0 mm)
90890-04097
Valve guide installer (5.0 mm)
90890-04098
3. Eliminate:
D
carbon deposits
(from the valve face and valve seat)
4. Check:
D
valve face
Pitting/ wear
Grind the valve face.
D
valve stem end
Mushroom shape or diameter larger than the
body of the valve stem
Replace the valve.
Содержание XVS250 2001
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Страница 11: ...GEN INFO ...
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Страница 22: ...SPEC ...
Страница 39: ...2 17 MAINTENANCE SPECIFICATIONS SPEC Cylinder head tightening sequence Crankcase tightening sequence ...
Страница 45: ...2 23 ENGINE OIL FLOW DIAGRAMS SPEC EB205000 ENGINE OIL FLOW DIAGRAMS ...
Страница 46: ...2 24 ENGINE OIL FLOW DIAGRAMS SPEC ...
Страница 47: ...2 25 ENGINE OIL FLOW DIAGRAMS SPEC ...
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Страница 252: ...CARB ...
Страница 267: ...6 15 A From air cleaner B To reed valve AIR INDUCTION SYSTEM CARB EAS00508 ...
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Страница 277: ...ELEC ...
Страница 300: ...7 23 1 A C magneto 2 Rectifier regulator 4 Fuse main 6 Battery CHARGING SYSTEM ELEC CHARGING SYSTEM CIRCUIT DIAGRAM ...
Страница 308: ...7 31 SIGNALING SYSTEM ELEC SIGNALING SYSTEM CIRCUIT DIAGRAM ...
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Страница 324: ...TRBL SHTG ...
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