CAMSHAFT
5-14
from falling into the crankcase.
EAM30081
CHECKING THE CAMSHAFT
1. Check:
•
Camshaft lobe
Blue discoloration/pitting/scratches
Re-
place the camshaft.
2. Measure:
•
Camshaft lobe dimensions “A”
Out of specification
Replace the camshaft.
3. Measure:
•
Camshaft runout
Out of specification
Replace.
4. Measure:
•
Camshaft-journal-to-camshaft-cap clearance
Out of specification
Measure the camshaft
journal diameter.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
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”.
Camshaft lobe dimensions
Lobe height (Intake)
31.830–31.930 mm (1.2531–
1.2571 in)
Limit
31.730 mm (1.2492 in)
Lobe height (Exhaust)
33.870–33.970 mm (1.3335–
1.3374 in)
Limit
33.770 mm (1.3295 in)
Camshaft runout limit
0.030 mm (0.0012 in)
1
2
3
Camshaft-journal-to-camshaft-
cap clearance
0.028–0.062 mm (0.0011–0.0024
in)
Camshaft cap bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
1
T
R
.
.
Содержание YZ 2019 Series
Страница 6: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Страница 10: ......
Страница 40: ...MOTORCYCLE CARE AND STORAGE 1 28...
Страница 63: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 22...
Страница 66: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25...
Страница 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27...
Страница 69: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 28 1 Exhaust camshaft 2 Intake camshaft 3 Oil filter element 4 Oil pump...
Страница 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29...
Страница 71: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 30 1 Camshaft 2 Oil pressure check bolt 3 Oil filter element 4 Oil pump...
Страница 72: ...CABLE ROUTING DIAGRAM 2 31 EAM20152 CABLE ROUTING DIAGRAM...
Страница 74: ...CABLE ROUTING DIAGRAM 2 33...
Страница 76: ...CABLE ROUTING DIAGRAM 2 35...
Страница 78: ...CABLE ROUTING DIAGRAM 2 37...
Страница 80: ...CABLE ROUTING DIAGRAM 2 39...
Страница 82: ...CABLE ROUTING DIAGRAM 2 41...
Страница 84: ...CABLE ROUTING DIAGRAM 2 43...
Страница 86: ...CABLE ROUTING DIAGRAM 2 45...
Страница 126: ...ELECTRICAL SYSTEM 3 38...
Страница 177: ...FRONT FORK 4 49 1...
Страница 196: ...CHAIN DRIVE 4 68...
Страница 217: ...CAMSHAFT 5 18 Spark plug Spark plug 13 N m 1 3 kgf m 9 6 lb ft T R...
Страница 237: ...ELECTRIC STARTER 5 38...
Страница 256: ...OIL PUMP AND BALANCER GEAR 5 57 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 262: ...GENERATOR AND STARTER CLUTCH 5 63 1 a 3 3 2 4...
Страница 276: ...TRANSMISSION 5 77...
Страница 284: ...WATER PUMP 6 7...
Страница 290: ...FUEL TANK 7 5 A Left B Right 1 1 A 0 mm 0 in B 1 1 15 mm 0 59 in...
Страница 296: ...THROTTLE BODY 7 11...
Страница 299: ......
Страница 313: ...CHARGING SYSTEM 8 14...
Страница 343: ...FUEL INJECTION SYSTEM 8 44...
Страница 347: ...FUEL PUMP SYSTEM 8 48...
Страница 348: ...ELECTRICAL COMPONENTS 8 49 EAM20147 ELECTRICAL COMPONENTS 9 10 1 3 2 4 5 6 7 8...
Страница 350: ...ELECTRICAL COMPONENTS 8 51 11 10 9 2 3 1 6 7 8 4 5...
Страница 352: ...ELECTRICAL COMPONENTS 8 53 EAM30289 CHECKING THE SWITCHES 4 1 3 2 B B Sb B B B B B B B B...
Страница 353: ...ELECTRICAL COMPONENTS 8 54 1 Engine stop switch 2 Neutral switch 3 Clutch switch 4 Start switch...
Страница 368: ...ELECTRICAL COMPONENTS 8 69...
Страница 376: ...LIST OF SELF DIAGNOSTIC AND FAIL SAFE ACTIONS 9 7...