CHAIN DRIVE
4-66
more than ten minutes, otherwise the O-
rings can be damaged.
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4. Check:
•
O-ring “1”
Damage
Replace the drive chain.
•
Drive chain roller “2”
Damage/wear
Replace the drive chain.
•
Drive chain side plate “3”
Damage/wear
Replace the drive chain.
5. Lubricate:
•
Drive chain
EAM30077
CHECKING THE DRIVE SPROCKET
1. Check:
•
Drive sprocket
More than 1/4 tooth wear “a”
Replace the
drive sprocket and the rear wheel sprocket as
a set.
Bent tooth
Replace the drive sprocket and
the rear wheel sprocket as a set.
EAM30078
CHECKING THE REAR WHEEL SPROCKET
Refer to “CHECKING AND REPLACING THE
REAR WHEEL SPROCKET” on page 4-8.
EAM30079
INSTALLING THE DRIVE CHAIN
1. Install:
•
Drive chain
NOTICE
ECA17410
Be sure to put on safety goggles when work-
ing.
TIP
Install the drive chain joint with the drive chain
cut & rivet tool. (Use goods on the market.)
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a. When press fitting the connecting plate “1”,
make sure the space “a” between the end of
the connecting pin “2” and the connecting
plate is 1.2–1.4 mm (0.05–0.06 in).
b. After riveting, make sure the diameter be-
tween the edges “b” of the connecting pin “2”
is 5.5–5.8 mm (0.22–0.23 in).
Recommended lubricant
Chain lubricant suitable for O-
ring chains
b. Correct
1. Drive chain roller
2. Drive sprocket
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...