VALVES AND VALVE SPRINGS
6-25
c. After installing the valve guide, expand the
hole in the valve guide with the valve guide
reamer “3” to obtain the proper valve-stem-
to-valve-guide clearance.
TIP
After replacing the valve guide, reface the valve
seat.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
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.
6. Measure:
• Valve stem runout
Out of specification
Replace the valve.
TIP
• When installing a new valve, always replace
the valve guide.
• If the valve is removed or replaced, always re-
place the valve stem seal.
Intake
Valve guide remover (ø5)
90890-04097
Valve guide remover (5.0 mm)
YM-04097
Valve guide installer (ø5)
90890-04098
Valve guide installer (5.0 mm)
YM-04098
Valve guide reamer (ø5)
90890-04099
Valve guide reamer (5.0 mm)
YM-04099
Exhaust
Valve guide remover (ø4.5)
90890-04116
Valve guide remover (4.5 mm)
YM-04116
Valve guide installer (ø4.5)
90890-04117
Valve guide installer (4.5 mm)
YM-04117
Valve guide reamer (ø4.5)
90890-04118
Valve guide reamer (4.5 mm)
YM-04118
Valve margin thickness (intake)
1.20 mm (0.0472 in)
Valve margin thickness (exhaust)
0.85 mm (0.0335 in)
Valve stem runout
0.010 mm (0.0004 in)
Содержание WR250F 2016
Страница 4: ......
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Страница 16: ...LOCATION OF IMPORTANT LABELS 1 2 EUR ...
Страница 17: ...LOCATION OF IMPORTANT LABELS 1 3 AUS NZL ZAF ...
Страница 41: ...MULTI FUNCTION DISPLAY 1 27 ...
Страница 78: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25 ...
Страница 80: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 ...
Страница 82: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 ...
Страница 84: ...CABLE ROUTING DIAGRAM 2 31 EAS2GB7073 CABLE ROUTING DIAGRAM ...
Страница 86: ...CABLE ROUTING DIAGRAM 2 33 ...
Страница 88: ...CABLE ROUTING DIAGRAM 2 35 ...
Страница 90: ...CABLE ROUTING DIAGRAM 2 37 ...
Страница 92: ...CABLE ROUTING DIAGRAM 2 39 ...
Страница 94: ...CABLE ROUTING DIAGRAM 2 41 ...
Страница 96: ...CABLE ROUTING DIAGRAM 2 43 ...
Страница 98: ...CABLE ROUTING DIAGRAM 2 45 ...
Страница 142: ...ELECTRICAL SYSTEM 3 42 ...
Страница 152: ...CHASSIS 4 9 ...
Страница 162: ...FRONT WHEEL 5 8 1 1 ...
Страница 226: ...CHAIN DRIVE 5 72 ...
Страница 268: ...ELECTRIC STARTER 6 39 5 Install Bolt 1 O ring 2 TIP Apply the lithium soap based grease on the O ring New ...
Страница 290: ...OIL PUMP AND BALANCER GEAR 6 61 a 2 10 b 2 9 1 b 5 3 a 4 10 5 9 3 E c d 6 7 8 8 b 6 ...
Страница 296: ...GENERATOR AND STARTER CLUTCH 6 67 TIP Install the cover damper assembly with its mark a facing upward 1 a 3 3 2 4 ...
Страница 310: ...TRANSMISSION 6 81 ...
Страница 347: ...CHARGING SYSTEM 9 15 ...
Страница 351: ...LIGHTING SYSTEM 9 19 ...
Страница 359: ...COOLING SYSTEM 9 27 ...
Страница 391: ...FUEL PUMP SYSTEM 9 59 ...
Страница 392: ...ELECTRICAL COMPONENTS 9 60 EAS2GB7381 ELECTRICAL COMPONENTS EAS2GB7382 9 10 11 1 3 2 4 5 6 7 8 ...
Страница 394: ...ELECTRICAL COMPONENTS 9 62 12 11 10 2 3 1 6 7 4 5 8 9 ...
Страница 396: ...ELECTRICAL COMPONENTS 9 64 EAS2GB7383 CHECKING THE SWITCHES 4 1 3 2 E B S E B E B E E B B ...
Страница 397: ...ELECTRICAL COMPONENTS 9 65 1 Engine stop switch 2 Neutral switch 3 Clutch switch 4 Start switch ...
Страница 414: ...ELECTRICAL COMPONENTS 9 82 ...
Страница 425: ......
Страница 426: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER ...