TIGHTENING TORQUES
2-12
EAM30203
ENGINE TIGHTENING TORQUES
TIP
- marked portion shall be checked for torque tightening after break-in or before each race.
ITEM
Thread
size
Q’ty
TIGHTENING TORQUES
Remarks
Camshaft cap bolt
M6
8
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Cylinder head blind plug
M12
1
28 N·m (2.8 kgf·m, 21 lb·ft)
Spark plug
M10
1
13 N·m (1.3 kgf·m, 9.6 lb·ft)
Cylinder head stud bolt
M6
2
7 N·m (0.7 kgf·m, 5.2 lb·ft)
Cylinder head stud bolt (exhaust
pipe)
M8
2
15 N·m (1.5 kgf·m, 11 lb·ft)
Cylinder head bolt
M9
4
33 N·m (3.3 kgf·m, 24 lb·ft)
Cylinder head nut
M6
2
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Cylinder head cover bolt
M6
2
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Cylinder bolt
M6
1
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Oil pressure check bolt
M6
1
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Balancer weight plate screw
M6
2
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Balancer weight gear nut
M14
1
50 N·m (5.0 kgf·m, 37 lb·ft)
Balancer nut
M10
1
38 N·m (3.8 kgf·m, 28 lb·ft)
Timing chain guide stopper plate
(exhaust side)
M6
1
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Timing chain tensioner cap bolt
M6
1
6 N·m (0.6 kgf·m, 4.4 lb·ft)
Timing chain tensioner bolt
M6
2
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Coolant drain bolt
M6
1
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Radiator hose clamp screw
M6
8
1.5 N·m (0.15 kgf·m, 1.1 lb·ft)
Radiator bolt
M6
4
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Radiator pipe bolt
M6
1
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Radiator pipe joint bolt
M6
1
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Water pump housing cover bolt
M6
4
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Oil pump assembly bolt
M5
2
5 N·m (0.5 kgf·m, 3.7 lb·ft)
Oil pump cover screw
M4
1
2.0 N·m (0.20 kgf·m, 1.5 lb·ft)
Oil strainer bolt
M6
1
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Throttle cable cover bolt
M5
1
3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
Throttle body joint bolt
M6
2
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Throttle body joint clamp bolt
M5
1
3.0 N·m (0.30 kgf·m, 2.2 lb·ft)
Air filter joint clamp bolt
M4
1
3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
Air filter case bolt
M6
3
7 N·m (0.7 kgf·m, 5.2 lb·ft)
Air filter bolt
M6
1
2.0 N·m (0.20 kgf·m, 1.5 lb·ft)
Air filter guide holder screw
M5
8
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
E
LT
M
LT
E
LT
LT
Summary of Contents for YZ 2019 Series
Page 6: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Page 10: ......
Page 40: ...MOTORCYCLE CARE AND STORAGE 1 28...
Page 63: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 22...
Page 66: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25...
Page 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27...
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29...
Page 72: ...CABLE ROUTING DIAGRAM 2 31 EAM20152 CABLE ROUTING DIAGRAM...
Page 74: ...CABLE ROUTING DIAGRAM 2 33...
Page 76: ...CABLE ROUTING DIAGRAM 2 35...
Page 78: ...CABLE ROUTING DIAGRAM 2 37...
Page 80: ...CABLE ROUTING DIAGRAM 2 39...
Page 82: ...CABLE ROUTING DIAGRAM 2 41...
Page 84: ...CABLE ROUTING DIAGRAM 2 43...
Page 86: ...CABLE ROUTING DIAGRAM 2 45...
Page 126: ...ELECTRICAL SYSTEM 3 38...
Page 177: ...FRONT FORK 4 49 1...
Page 196: ...CHAIN DRIVE 4 68...
Page 217: ...CAMSHAFT 5 18 Spark plug Spark plug 13 N m 1 3 kgf m 9 6 lb ft T R...
Page 237: ...ELECTRIC STARTER 5 38...
Page 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...
Page 262: ...GENERATOR AND STARTER CLUTCH 5 63 1 a 3 3 2 4...
Page 276: ...TRANSMISSION 5 77...
Page 284: ...WATER PUMP 6 7...
Page 290: ...FUEL TANK 7 5 A Left B Right 1 1 A 0 mm 0 in B 1 1 15 mm 0 59 in...
Page 296: ...THROTTLE BODY 7 11...
Page 299: ......
Page 313: ...CHARGING SYSTEM 8 14...
Page 343: ...FUEL INJECTION SYSTEM 8 44...
Page 347: ...FUEL PUMP SYSTEM 8 48...
Page 348: ...ELECTRICAL COMPONENTS 8 49 EAM20147 ELECTRICAL COMPONENTS 9 10 1 3 2 4 5 6 7 8...
Page 350: ...ELECTRICAL COMPONENTS 8 51 11 10 9 2 3 1 6 7 8 4 5...
Page 352: ...ELECTRICAL COMPONENTS 8 53 EAM30289 CHECKING THE SWITCHES 4 1 3 2 B B Sb B B B B B B B B...
Page 368: ...ELECTRICAL COMPONENTS 8 69...
Page 376: ...LIST OF SELF DIAGNOSTIC AND FAIL SAFE ACTIONS 9 7...