Yamaha T-60 Service Manual download pdf (Page 33)

2-12

SPEC

E

TIGHTENING TORQUE

C33000-0

TIGHTENING TORQUE

Parts to be tightened

Part

name

Thread

size

Q’ty Tightening torque

Remarks

50, 60,

70 hp

75, 80,

90 hp

Nm m • kg ft • lb

ENGINE:

Crank case

1st

Bolt M6 — 12

4 0.4 2.9

E

2nd 12 1.2 8.7

1st

Bolt M8 6 —

10 1.0 7.2

2nd 20 2.0 14

1st

Bolt M10 8 8

20 2.0 14

2nd 40 4.0 29

Connecting rod

1st

Bolt M8 — 6

12 1.2 8.7

E

2nd 35 3.5 25

Cylinder head

1st

Bolt M8

14

14 15 1.5 11

E

2nd

— 32 3.2 23

— 14 30 3.0 22

Exhaust cover

1st

Bolt M6 16 —

3 0.3 2.2

E

2nd 8 0.8 5.8

1st

Bolt M8 — 18

9 0.9 6.5

2nd 18 1.8 13

Intake manifold

1st

Bolt M6

8

12 4 0.4 2.9

2nd

— 8 0.8 5.8

— 12 12 1.2 8.7

Spark plug Bolt M14 3 3 25 2.5 18

Flywheel Nut M20 1 1 160 16.0 115

E

Power unit mounting Bolt M8 8 11 21 2.1 15

Starter motor mounting Bolt M8 2 2 20 2.0 14

242

LT

Straight screw plug Screw M12 1 1 23 2.3 1.7

UPPER CASE AND GEAR CASE:

Upper mount rubber Nut M10 2 2 24 2.4 17

271

LT

Bracket bolt Nut M22 1 1 15 1.5 11

Upper case mounting Bolt M8 11 11 21 2.1 15

Exhaust guide Bolt M8 4 4 21 2.1 15

Exhaust manifold Bolt M8 4 4 21 2.1 15

572

LT

Mufﬂer Bolt M8 4 4 21 2.1 15

572

LT

Ring nut Nut —

1 — 130 13 94

50 hp

1 1 145 14.5 105

Pinion nut

Nut M12 1 — 75 7.5 54

E

50 hp

Nut M16 1 1 95 9.5 69

E

Lower case mounting Bolt M10 5 5 40 4.0 29

Propeller Nut M16 1 1 35 3.5 25

Tiller handle mounting Nut M10 1 1 38 3.8 27

Handle bracket mounting Nut M10 2 2 38 3.8 27

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 203 204

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