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CAMSHAFT
5-16
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a. Install the camshaft into the cylinder head.
b. Position a strip of Plastigauge® “1” onto the
camshaft journal as shown.
c. Install the dowel pins and the camshaft
caps.
TIP
• Tighten the camshaft cap bolts in a crisscross
pattern from innermost to outer caps.
• Do not turn the camshaft when measuring the
camshaft journal-to-camshaft cap clearance.
d. Remove the camshaft caps and then mea-
sure the width of the Plastigauge® “1”.
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5. Measure:
• Camshaft journal diameter “a”
Out of specification
Replace the cam-
shaft.
Within specification
Replace the cylinder
head and the camshaft caps as a set.
EAS1SL5212
CHECKING THE TIMING CHAIN AND CAM-
SHAFT SPROCKET
1. Check:
• Timing chain “1”
Damage/stiffness
Replace the timing
chain and camshaft as a set.
2. Check:
• Camshaft sprocket
More than 1/4 tooth wear “a”
Replace the
camshaft and the timing chain as a set.
EAS1SL5213
CHECKING THE TIMING CHAIN TENSION-
ERS
1. Check:
• Timing chain tensioner
Crack/damage
Replace.
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a. While pressing the tensioner rod lightly with
your fingers, use a thin screwdriver “1” to
wind the tensioner rod up fully clockwise.
b. When releasing the screwdriver by pressing
lightly with your fingers, make sure that the
tensioner rod will come out smoothly.
Camshaft cap bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Camshaft journal diameter
21.959–21.972 mm (0.8645–
0.8650 in)
1
T
R
.
.
1
a. 1/4 tooth
b. Correct
1. Timing chain roller
2. Camshaft sprocket
a
b
1
2
Содержание YZ450FF 1SL-28199-11
Страница 6: ...EAS1SL5006 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Страница 10: ......
Страница 38: ...CLEANING AND STORAGE 1 26...
Страница 66: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27...
Страница 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29...
Страница 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31...
Страница 71: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 32 1 Camshaft 2 Oil pressure check bolt 3 Oil filter element 4 Oil pump...
Страница 72: ...CABLE ROUTING DIAGRAM 2 33 EAS1SL5066 CABLE ROUTING DIAGRAM...
Страница 74: ...CABLE ROUTING DIAGRAM 2 35...
Страница 76: ...CABLE ROUTING DIAGRAM 2 37...
Страница 78: ...CABLE ROUTING DIAGRAM 2 39...
Страница 80: ...CABLE ROUTING DIAGRAM 2 41...
Страница 82: ...CABLE ROUTING DIAGRAM 2 43...
Страница 122: ...ELECTRICAL SYSTEM 3 38...
Страница 135: ...REAR WHEEL 4 11 1 2...
Страница 157: ...HANDLEBAR 4 33 For installation reverse the removal proce dure Removing the handlebar Order Part name Q ty Remarks...
Страница 192: ...CHAIN DRIVE 4 68...
Страница 278: ...WATER PUMP 6 7...
Страница 290: ......
Страница 297: ...CHARGING SYSTEM 8 7 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 EAS1SL5334 ELECTRICAL COMPONENTS EAS1SL5335 9 10 1 2 3 4 5 6 7 8...
Страница 328: ...ELECTRICAL COMPONENTS 8 38 EAS1SL5336 CHECKING THE SWITCHES B Y P Sb 2 1...
Страница 329: ...ELECTRICAL COMPONENTS 8 39 1 Engine stop switch 2 Neutral switch...
Страница 344: ...LIST OF SELF DIAGNOSTIC AND FAIL SAFE ACTIONS 9 7...