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VALVES AND VALVE SPRINGS
5-27
TIP
After replacing the valve guide, reface the valve
seat.
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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 D “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 oil seal.
EAS1SL1222
CHECKING THE VALVE SEATS
1. Eliminate:
• Carbon deposits
(from the valve face and valve seat)
2. Check:
• Valve seat
Pitting/wear
Replace the cylinder head.
3. Measure:
• Valve seat width C “a”
Out of specification
Replace the cylinder
head.
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a. Apply Mechanic’s blueing dye (Dykem) “b”
onto the valve face.
Valve guide remover & installer
set (ø5.5)
90890-04016
Valve guide remover (5.5 mm)
YM-01122
Valve guide installer (5.5 mm)
YM-04015
Valve guide reamer (5.5 mm)
YM-01196
Valve margin thickness D (intake)
1.20 mm (0.0472 in)
Valve margin thickness D (ex-
haust)
0.85 mm (0.0335 in)
Valve stem runout
0.010 mm (0.0004 in)
Valve seat width C (intake)
0.90–1.10 mm (0.0354–0.0433 in)
Valve seat width C (exhaust)
0.90–1.10 mm (0.0354–0.0433 in)
Содержание YZ450F(E) 2014
Страница 4: ......
Страница 10: ......
Страница 12: ......
Страница 16: ...LOCATION OF IMPORTANT LABELS 1 2 EUR ...
Страница 17: ...LOCATION OF IMPORTANT LABELS 1 3 AUS NZL ZAF ...
Страница 42: ...CLEANING AND STORAGE 1 28 ...
Страница 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 ...
Страница 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 ...
Страница 74: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 ...
Страница 76: ...CABLE ROUTING DIAGRAM 2 33 EAS1SL1064 CABLE ROUTING DIAGRAM ...
Страница 78: ...CABLE ROUTING DIAGRAM 2 35 ...
Страница 80: ...CABLE ROUTING DIAGRAM 2 37 ...
Страница 82: ...CABLE ROUTING DIAGRAM 2 39 ...
Страница 84: ...CABLE ROUTING DIAGRAM 2 41 ...
Страница 86: ...CABLE ROUTING DIAGRAM 2 43 ...
Страница 158: ...HANDLEBAR 4 32 For installation reverse the removal proce dure Removing the handlber Order Part name Q ty Remarks ...
Страница 192: ...CHAIN DRIVE 4 66 ...
Страница 213: ...CAMSHAFT 5 18 6 Install Cylinder head breather hose Spark plug Spark plug 13 Nm 1 3m kgf 9 4 ft lbf 4 4 4 3 2 1 T R ...
Страница 270: ...TRANSMISSION 5 75 ...
Страница 278: ...WATER PUMP 6 7 ...
Страница 290: ......
Страница 297: ...CHARGING SYSTEM 8 7 EAS1SL1324 2 AC magneto 3 Rectifier regulator 4 Joint connector 5 Condenser ...
Страница 299: ...CHARGING SYSTEM 8 9 ...
Страница 325: ...FUEL PUMP SYSTEM 8 35 ...
Страница 326: ...ELECTRICAL COMPONENTS 8 36 EAS1SL1332 ELECTRICAL COMPONENTS EAS1SL1333 9 10 1 2 3 4 5 6 7 8 ...
Страница 328: ...ELECTRICAL COMPONENTS 8 38 CHECKING THE SWITCHES B Y P Sb 2 1 ...
Страница 329: ...ELECTRICAL COMPONENTS 8 39 1 Engine stop switch 2 Neutral switch ...
Страница 338: ...ELECTRICAL COMPONENTS 8 48 ...
Страница 346: ...LIST OF SELF DIAGNOSTIC AND FAIL SAFE ACTIONS 9 7 ...
Страница 357: ......
Страница 358: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER ...