5 - 23
ENG
VALVES AND VALVE SPRINGS
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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.
NOTE:
After replacing the valve guide, reface the
valve seat.
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Valve guide remover (4 mm)
90890-04111, YM-04111
Valve guide installer (4 mm)
90890-04112, YM-04112
Valve guide reamer (4 mm)
90890-04113, YM-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.
5. Measure:
• valve margin thickness
a
Out of specification
→
Replace the valve.
Valve margin thickness
0.6 ~ 0.8 mm (0.0236 ~ 0.0315 in)
<Limit>: 0.5 mm (0.0197 in)
Содержание XP500
Страница 1: ...2005 XP500 XP500A5VU5 AE1 SERVICE MANUAL...
Страница 2: ......
Страница 8: ......
Страница 9: ...GEN INFO 1...
Страница 11: ...GEN INFO...
Страница 38: ...SPEC 2...
Страница 40: ...SPEC...
Страница 68: ...2 28 SPEC OIL FLOW DIAGRAMS 1 Oil strainer 2 Crankshaft...
Страница 69: ...2 29 SPEC OIL FLOW DIAGRAMS 1 Clutch 2 Right main journal bearing 3 Main gallery plug...
Страница 118: ......
Страница 119: ...CHK ADJ 3...
Страница 193: ......
Страница 194: ...CHAS 4...
Страница 198: ...CHAS...
Страница 292: ...4 94 CHAS ANTI LOCK BRAKE SYSTEM XP500A...
Страница 326: ......
Страница 327: ...ENG 5...
Страница 331: ...ENG...
Страница 421: ...5 90 ENG Order Job Part Q ty Remarks C Retainer 1 For assembly reverse the disassembly procedure CHAIN DRIVE...
Страница 424: ...COOL 6...
Страница 426: ...COOL...
Страница 442: ......
Страница 443: ...FI 7...
Страница 445: ...FI...
Страница 476: ...ELEC 8...
Страница 544: ......
Страница 545: ...TRBL SHTG 9...
Страница 553: ......
Страница 556: ......
Страница 557: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN...