Snowmobile Yamaha FX10X, FX10RTX, FX10RTRX, FX10RTRAX, FX10MTX, FX10MTRX, FX10MTRAX. Manual - part 94

9-21

SPEC

NOTE:

*1: Tighten the cylinder head bolts to 25 Nm (2.5 m · kg, 18 ft · lb) in the proper tightening sequence, loosen

and retighten the cylinder head bolts to 25 Nm (2.5 m · kg, 18 ft · lb) in the proper tightening sequence,
and then tighten the cylinder head bolts further to reach the specified angle 175 ~ 185° in the proper tight-
ening sequence.

*2: Tighten the crankcase bolts to 15 Nm (1.5 m · kg, 11 ft · lb) in the proper tightening sequence, loosen and

retighten the crankcase bolts to 15 Nm (1.5 m · kg, 11 ft · lb) in the proper tightening sequence, and then
tighten the crankcase bolts further to reach the specified angle 65 ~ 70° in the proper tightening
sequence.

*3: Tighten the connecting rod nuts to 20 Nm (2.0 m · kg, 14 ft · lb), and then tighten the connecting rod nuts

further to reach the specified angle 115 ~ 125°.

Crankcase bolt (M9

× 1.25)

See NOTE.

Apply the engine oil.

Crankcase bolt (M8

× 1.25)

2.4

Apply the engine oil.

Crankcase bolt (M6

× 1.0)

1.2

8.7

Apply the engine oil.

Crankcase bolt (M6

× 1.0)

1.2

8.7

Black bolt
Apply Yamaha bond No. 1215
(Three Bond No.1215

)

Primary sheave drive shaft assembly bolt

1.2

8.7

Connecting rod nut

See NOTE.

Apply the molybdenum disulfide
oil.

Balancer weight (left and right) bolt

3.5

Balancer shaft bearing retainer bolt

1.0

7.2

Apply LOCTITE

AC magneto rotor bolt

130

13.0

Apply the engine oil.

AC magneto rotor cover bolt (M6

× 1.0) × 11

1.2

8.7

AC magneto rotor cover bolt (M6

× 1.0) × 1

1.2

8.7

Apply LOCTITE

Starter clutch bolt

1.2

8.7

Apply LOCTITE

Stator coil bolt

1.0

7.2

Apply LOCTITE

Crankshaft position sensor bolt

1.0

7.2

Apply LOCTITE

Stator coil lead holder bolt

1.0

7.2

Apply LOCTITE

Air filter case bolt

0.7

5.1

Air filter case joint clamp screw

0.3

2.2

Throttle body joint clamp screw

0.3

2.2

Starter motor bolt

2.7

Starter motor lead nut

0.7

5.1

Brush terminal nut

0.7

5.1

Fuel pump nut

0.7

5.1

Fuel sender bolt

0.4

2.9

Fuel tank bolt

1.0

7.2

Throttle cable locknut (throttle body side)

0.6

4.3

Rectifier/regulator nut

0.7

5.1

Rectifier/regulator bracket bolt

0.7

5.1

Ground earth lead bolt (engine mounting bracket)

2.5

Ground earth lead bolt (Rectifier/regulator bracket)

0.7

5.1

Battery bracket bolt

2.3

Parts to be tightened

Tightening torque

Remarks

m · kg

ft · lb

9-22

SPEC

TIGHTENING TORQUE

POWER TRAIN

Parts to be tightened

Tightening torque

Remarks

m · kg

ft · lb

Primary sheave bolt

See NOTE.

Spider and sliding sheave

200

20.0

145

Left-hand thread.
Apply LOCTITE

Primary sheave cap and sliding sheave bolt

1.4

Roller and weight nut (primary sheave)

0.6

4.3

Set bolt (primary sheave collar)

0.4

2.9

Apply LOCTITE

Secondary sheave bolt

6.4

Stopper screw (secondary sheave)

0.7

5.1

Spring seat nut (secondary sheave)

2.3

Secondary sheave adjusting bolt

1.0

7.2

Drive chain adjusting locknut

2.5

Drive chain cover bolt

2.8

Drive chain cover bolt

1.0

7.2

Apply LOCTITE

Driven sprocket nut

9.0

(Without reverse model)

Drive chain oil drain bolt

1.6

Set bolt (secondary shaft collar)

0.6

4.3

Apply LOCTITE

Shift lever assembly bolt

2.3

(With reverse model)

Shift rod end locknut

0.7

5.1

(With reverse model)

Shift lever assembly and shift rod nut

1.0

7.2

(With reverse model)

Gear position shaft and shift rod nut

1.0

7.2

(With reverse model)

Reverse drive gear shaft plate bolt

1.0

7.2

(With reverse model)
Apply LOCTITE

Reverse driven gear bolt

5.5

(With reverse model)
Apply LOCTITE

Counter gear bolt

1.0

7.2

(With reverse model)
Apply LOCTITE

Bearing housing bolt

3.0

Brake caliper bolt

4.8

Brake caliper bleed screw

0.6

4.3

Brake caliper retaining pin

1.7

Screw plug

0.2

1.4

Brake hose union bolt

3.0

Parking brake assembly bolt

1.0

7.2

Parking brake adjusting locknut

1.5

Parking brake cable locknut

0.6

4.3

Parking brake cable and parking brake lever bolt

1.0

7.2

Brake master cylinder holder bolt

1.0

7.2

Brake master cylinder holder and parking brake
lever bolt

2.3

Slide rail suspension mounting nut

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA)

Slide rail suspension mounting bolt (M10)

6.9

(FX10/FX10RT/FX10RTR/
FX10RTRA) Apply LOCTITE

Slide rail suspension mounting bolt (M10)

7.2

(FX10MT/FX10MTR/FX10MTRA)
Apply LOCTITE

Stopper band nut

0.4

2.9

9-23

SPEC

TIGHTENING TORQUE

Slide runner and front pivot arm

1.0

7.2

(FX10/FX10RT/FX10RTR/
FX10RTRA) Apply LOCTITE

Shaft and sliding frame bolt

7.2

(FX10/FX10RT/FX10RTR/
FX10RTRA) Apply LOCTITE

Shaft and sliding frame bolt

6.0

(FX10MT/FX10MTR/FX10MTRA)

Shock absorber and front pivot arm nut

4.9

Shock absorber and front suspension bracket nut

4.9

Front pivot arm and front pivot arm bracket nut

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA)

Front pivot arm bracket and sliding frame nut

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA)

Front pivot arm and connecting arm nut

7.2

(FX10MT/FX10MTR/FX10MTRA)

Front pivot arm and sliding frame bolt

6.0

(FX10MT/FX10MTR/FX10MTRA)

Front suspension bracket and connecting arm nut

7.2

(FX10MT/FX10MTR/FX10MTRA)

Front suspension bracket, rear suspension
bracket, shaft, and sliding frame bolt

7.2

(FX10/FX10RT/FX10RTR/
FX10RTRA) Apply LOCTITE

Front suspension bracket, shaft and sliding frame
bolt

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA) Apply LOCTITE

Suspension wheel bolt

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA)

Suspension wheel nut

6.0

(FX10MT/FX10MTR/FX10MTRA)

Suspension wheel and front pivot arm bracket bolt

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA)

Wheel bracket, shaft, and sliding frame bolt

6.0

(FX10MT/FX10MTR/FX10MTRA)

Set bolt (wheel bracket)

0.6

4.3

(FX10MT/FX10MTR/FX10MTRA)

Set bolt (collar)

0.9

6.5

Collar and sliding frame bolt

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA)

Rear shock absorber and rear pivot arm nut

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA)

Rear shock absorber and rear pivot arm nut

4.9

(FX10MT/FX10MTR/FX10MTRA)

Pull rod, rear shock absorber, and rear suspension
bracket bolt

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA)

Pull rod, rear shock absorber, and rear suspension
bracket bolt

4.9

(FX10MT/FX10MTR/FX10MTRA)

Rear suspension bracket, shaft, and sliding frame

6.0

(FX10MT/FX10MTR/FX10MTRA)

Rear pivot arm and pull rod bolt

6.0

(FX10/FX10RT/FX10RTR/
FX10RTRA) Apply LOCTITE

Rear pivot arm and pull rod nut

4.9

(FX10MT/FX10MTR/FX10MTRA)

Rear shock absorber and rear pivot arm nut

4.9

(FX10MT/FX10MTR/FX10MTRA)

Rear pivot arm bracket and sliding frame bolt

7.2

(FX10/FX10RT/FX10RTR/
FX10RTRA) Apply LOCTITE

Rear pivot arm and rear pivot arm bracket bolt

7.2

(FX10/FX10RT/FX10RTR/
FX10RTRA) Apply LOCTITE

Rear pivot arm and control rod stopper nut

6.0

(FX10MT/FX10MTR/FX10MTRA)

Control rod adjusting locknut

2.5

(FX10MT/FX10MTR/FX10MTRA)

Parts to be tightened

Tightening torque

Remarks

m · kg

ft · lb

9-24

SPEC

TIGHTENING TORQUE

NOTE:

Tightening steps:
1. Tighten the bolt to a torque at 120 Nm (12.0 m · kg, 85 ft · lb).
2. Loosen the bolt completely.
3. Retighten the bolt to a torque of 60 Nm (6.0 m · kg, 43 ft · lb).

Control rod shaft and sliding frame

7.2

(FX10MT/FX10MTR/FX10MTRA)

Rear axle nut

7.5

Set bolt (front axle)

0.9

6.5

Apply LOCTITE

Speed sensor

2.4

Bearing holder (front axle)

2.4

Bearing housing bolt

3.0

Left side

Bearing housing bolt

2.4

Right side

Gear unit (speed sensor) bolt

4.0

Parts to be tightened

Tightening torque

Remarks

m · kg

ft · lb

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