Snowmobile Yamaha FX10X, FX10RTX, FX10RTRX, FX10RTRAX, FX10MTX, FX10MTRX, FX10MTRAX. Manual - part 10

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DRIVE V-BELT

2. Adjust the position of the V-belt by removing or

adding a spacer 1 on each adjusting bolt 2.

3. Tighten:

• Secondary sheave adjusting bolt 2 

V-belt position

Adjustment

More than 1.5 mm 
(0.06 in) above the 
edge

Remove a spacer

From 1.5 mm (0.06 in) 
above the edge to 
–0.5 mm (–0.02 in) 
below the edge

Not necessary
(It is correct.)

More than –0.5 mm 
(–0.02 in) below the 
edge

Add spacer

Part number

Thickness

90201-061H1

0.5 mm (0.02 in)

90201-06037

1.0 mm (0.04 in)

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Secondary sheave adjusting bolt:

10 Nm (1.0 m · kg, 7.2 ft · lb)

4. Inspect:

• Drive V-belt

Cracks/damage/wear 

→ Replace.

Oil or grease on the V-belt 

→ Check the pri-

mary and secondary sheaves.

5. Inspect:

• Primary sheave
• Secondary sheave

Oil or grease on the primary and secondary
sheaves 

→ Use a rag soaked in lacquer thin-

ner or solvent to remove the oil or grease, and
then check the primary and secondary
sheaves.

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DRIVE V-BELT/

ENGAGEMENT SPEED CHECK

6. Measure:

• Drive V-belt circumference 

a 

Out of specification 

→ Replace.

V-belt circumference:

1,129 ~ 1,137 mm (44.4 ~ 44.8 in)

ENGAGEMENT SPEED CHECK

1. Place the snowmobile on a level surface.
2. Inspect:

• Clutch engagement speed

Inspection steps:

• Start the engine, and open the throttle lever

gradually.

• Check the engine speed when the snowmobile

starts moving forward.
Out of specification 

→ Adjust the primary

sheave.

Engagement speed:

FX10/FX10RT/FX10RTR/FX10RTRA

3,550 ~ 3,950 r/min

FX10MT/FX10MTR “USA/Canada”/
FX10MTRA “USA/Canada”

3,300 ~ 3,700 r/min

FX10MTR “Europe”/FX10MTRA 
“Europe”

3,100 ~ 3,500 r/min

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PARKING BRAKE PAD INSPECTION/

PARKING BRAKE ADJUSTMENT

PARKING BRAKE PAD INSPECTION

1. Remove:

• Right side cover

Refer to “COVERS” in CHAPTER 3.

2. Inspect:

• Parking brake pad

Wear limit 

a reached → Replace the parking

brake assembly.

Parking brake pad wear limit:

1.2 mm (0.05 in)

a

a

PARKING BRAKE ADJUSTMENT

1. Remove:

• Right side cover

Refer to “COVERS” in CHAPTER 3.

2. Measure:

• Parking brake cable distance

Out of specification 

→ Adjust.

Parking brake cable distance:

43.5 ~ 46.5 mm (1.713 ~ 1.831 in)

3. Adjust:

• Parking brake cable

Adjustment steps:

• Loosen the locknut 1.
• Turn the adjusting nut 2 in or out until the spec-

ified distance 

a is obtained.

• Tighten the locknut.

Turning in

Distance is increased.

Turning out

Distance is decreased.

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Parking brake cable locknut:

6 Nm (0.6 m · kg, 4.3 ft · lb)

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PARKING BRAKE ADJUSTMENT/

BRAKE FLUID LEVEL INSPECTION

4. Measure:

• Brake pad clearance (

a + b)

Out of specification 

→ Adjust.

5. Adjust:

• Brake pad clearance

Adjustment steps:

• Loosen the locknut 1.
• Turn the adjusting bolt 2 in or out until the

specified clearance between the parking brake
pad 3 and brake disc 4 is obtained.

• Tighten the locknut.

Brake pad clearance (

a + b):

1.5 ~ 2.0 mm (0.059 ~ 0.079 in)

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Parking brake adjusting locknut:

15 Nm (1.5 m · kg, 1.1 ft · lb)

BRAKE FLUID LEVEL INSPECTION

1. Place the snowmobile on a level surface.
2. Check:

• Fluid level

Fluid level is under the lower level line 

a →

Fill to the proper level.

NOTE:

For a correct reading of the brake fluid level, make
sure that the top of the handlebar brake master cyl-
inder reservoir is horizontal.

CAUTION:

Brake fluid may corrode painted surfaces or
plastic parts. Always clean up spilled fluid
immediately.

Recommended brake fluid:

DOT 4