Tightening Torques. Yamaha XF50W

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Tightening Torques. Yamaha XF50W | Manualzz

TIGHTENING TORQUES

SPEC

TIGHTENING TORQUES

ENGINE

Exhaust pipe stud bolt

Oil check bolt

Cylinder head cover

Cylinder head and cylinder

Cylinder head(timing chain side)

Spark plug

Camshaft sprocket

Timing chain tensioner(body)

Guide stopper2

Timing chain tensioner(plug)

Water pump assembly

Thermostat cover air bleed bolt

Thermostat cover

Fan case

Fan

Radiator drain bolt

Radiator cover

Oil pump assembly

Engine oil drain plug

Intake manifold

Air filter assembly

Injector

Intake manifold side band

Air filter assembly side band

Protector

Exhaust pipe

Stay fender

Muffler

Reed valve and holder

AI filter case

Oil guide

Crankcase(left and right)

Cylinder stud bolt

Drain bolt(transmission oil fill bolt)

V-belt case cover

Drain bolt(transmission oil)

Transmission case

Transmission case

Cover1(starter clutch)

Hold lead plate bolt

Bolt

-

Screw

Screw

-

Bolt

Bolt

Bolt

Band

Band

Screw

Nut

Bolt

Bolt

-

-

Bolt

Nut

Bolt

-

Bolt

Bolt

Bolt plug

Bolt

-

Bolt

Bolt

Bolt

Bolt

Nut

Bolt

-

-

Bolt

Bolt

Bolt

Bolt

Bolt

-

Q

’ ty

Tightening torque

Nm m » kg ft » lb

M8 2 13 1.3 9.4

M6 1 7 0.7 5.1

M6 4 10 1.0 7.2

M6 4 10 1.0 7.2

—4\\4jl

M6 2 10 1.0 7.2

M10 1 13 1.3 9.4

M8 1 30 3.0 21.7

M6 2 9 0.9 6.5

M6 1 7 0.7 5.1

M8 1 8 0.8 5.8

M6 3 10 1.0 7.2

M6 1 10 1.0 7.2

M6 2 10 1.0 7.2

M6 4 10 1.0 7.2

M6 3 9 0.9 6.5

M10 1 1 0.1 0.7

6 3 2 0.2 1.5

M5 2 4 0.4 2.9

M35 1 32 3.2 23.1

M6 2 10 1.0 7.2

M6 2 10 1.0 7.2

M6 1 12 1.2 8.7

M4 1 3 0.3 2.2

M4

M6

1

2

3

9

0.3

0.9

2.2

6.5

When fastened, apply screw retaining com-

M8 2 13 1.3 9.4 pound.

M8 2 10 1.0 7.2

M8 2 31 3.1 22.4

M6 1 14 1.4 10.1

M6 1 7 0.7 5.1

M6 2 10 1.0 7.2

M6 8 10 1.0 7.2

M6 4 13 1.3 9.4

M8 1 23 2.3 16.6

M6 6 10 1.0 7.2

M6 1 13 1.3 9.4

M6 6 11 1.1 8.0

M6 2 10 1.0 7.2

M6 7 10 1.0 7.2

M6 1 10 1.0 7.2

2-19

Drain bolt(engine oil)

Centerstand spring

Starter clutch

Kickstarter

Primary fixed sheave

Clutch housing

Stator coil

Pulser coil

AC magneto rotor

Starter motor assembly

Ignition coil

Coolant temperature sensor

Cylinder head tightening sequence

(1 -» 2 -» 3 4 -» 2 -» 5 -» 6)

-

Hook

Nut

Bolt

Nut

Nut

Bolt

Screw

Nut

Bolt

Bolt

-

TIGHTENING TORQUES

SPEC 0 *

Q

’ ty

Tightening torque

Nm m » kg ft » lb

M8 1 23 2.3 16.6

M6 1 7 0.7 5.1

M22 1 90 9.0 65.1

Left-hand thread

M6 1 12 1.2 8.7

M10 1 30 3.0 21.7

M10 1 40 4.0 28.9

M5 3 4 0.4 2.9 i

^ILT

M6 2 7 0.7 5.1

M12 1 43 4.3 31.1

M6 2 13 1.3 9.4

M6 2 7 0.7 5.1

M12 1 22 2.2 15.9

2-20

TIGHTENING TORQUES

SPEC 0*"

CHASSIS

Frame and engine bracket3

Engine bracket3 and engine

Handlebar bracket and steering shaft

Rear shock absorber and frame

Rear shock absorber and engine

Steering shaft and upper bearing inner race

Steering shaft and ring nut

Front fork and lower bracket

Handlebar bracket and handlebar lower holder

Handlebar lower holder and handlebar upper holder

Throttle cable and holder lever2

Throttle cable and throttle body

Front reflector

Fuel tank

Fuel pump

Single seat lock assembly

Trunk

Bottom plate and single seat lock bracket

Bottom plate and frame(single seat)

Single seat and frame(single seat)

Single seat lock assembly and trunk

Resin part and resin cover

Footrest board

License bracket

Rear turn signal light

License light

Front wheel shaft

Front brake camshaft lever

Rear wheel shaft

Rear brake camshaft lever

Rear brake pin pivot

Speedometer cable

Main switch and headlight stay bracket

Headlight body and headlight unit

Headlight stay bracket and headlight body

Lower bracket and headlight stay bracket

Handlebar bracket and headlight stay bracket

ECU and trunk

Rear reflector and license bracket

Taillight underside

M10

M10

M10

M10

M8

BC1

BC1

M10

M10

M8

M5

M5

M5

M6

M5

M6

M6

M6

M6

M6

M6

About M5

M6

M6

M6

About M5

M10

M6

M14

M6

M8

M12

M6

M5

M6

M8

M8

M6

M5

M6

Tightening torque

Nm m » kg ft » lb

46 4.6 33.1

58 5.8 42.0

60 6.0 43.4

30 3.0 21.7

16 1.6 11.6

7 0.7 5.1 See”NOTE”

30 3.0 21.7 See”NOTE”

30 3.0 21.7

48 4.8 34.7

28 2.8 20.3

4 0.4 2.9

5 0.5 3.6

7 0.7 5.1

10 1.0 7.2

4 0.4 2.9

12 1.2 8.7

12 1.2 8.7

7 0.7 5.1

10 1.0 7.2

10 1.0 7.2

7 0.7 5.1

2 0.2 1.5

7 0.7 5.1

7 0.7 5.1

4 0.4 2.9

2 0.2 1.5

48 4.8 34.7

8 0.8 5.8

120 12.0 86.8

10 1.0 7.2

16 1.6 11.6

5 0.5 3.6

7 0.7 5.1

4 0.4 2.9

10 1.0 7.2

23 2.3 16.6

23 2.3 16.6

7 0.7 5.1

2 0.2 1.5

2 0.2 1.5

2-21

TIGHTENING TORQUES

SPEC 0 *

NOTE :

1 . First,tighten the upper bearing inner race approximately 7Nm(0.7m

» kg, 5.1ft

» lb) by using the torque wrench and check turn steering shaft smoothly.

2. Second,hold the upper bearing inner race and tighten the ring nut 30Nm(3.0m

» kg, 21.7ft

» lb) by using the torque wrench.

3. Final,operate the steering shaft together with the steering stem nut now.

© Upper bearing inner race

(2) Ring nut

2-22

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