VALVES AND VALVE SPRINGS
6-24
4. Remove:
• Valve spring retainer “1”
• Valve spring “2”
• Valve “3”
• Valve stem seat “4”
• Valve spring seat “5”
TIP
Identify the position of each part very carefully
so that it can be reinstalled in its original place.
EAS2GB7251
CHECKING THE VALVES AND VALVE
GUIDES
1. Measure:
• Valve-stem-to-valve-guide clearance
Out of specification
Replace the valve
guide.
2. Replace:
• Valve guide
TIP
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 the valve guide
remover “1”.
b. Install the new valve guide with the valve
guide installer “2” and the valve guide re-
mover “1”.
Valve-stem-to-valve-guide clearance =
Valve guide inside diameter “a” -
Valve stem diameter “b”
Valve-stem-to-valve-guide clear-
ance (intake)
0.010–0.037 mm (0.0004–0.0015
in)
Limit
0.080 mm (0.0032 in)
Valve-stem-to-valve-guide clear-
ance (exhaust)
0.025–0.052 mm (0.0010–0.0020
in)
Limit
0.100 mm (0.0039 in)
1
2
4
5
3
Valve guide installation height “a”
Intake
10.8–11.2 mm (0.43–0.44 in)
Exhaust
11.2–11.6 mm (0.44–0.46 in)
1
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 ...