Snowmobile Yamaha Phazer PZ50W, PZ50GTW, PZ50FXW, PZ50MW, PZ50VTW, PZ50MPW. Manual - part 34

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BRAKE

Order

Job name/Part name

Q’ty

Remarks

Battery bracket removal

Remove the parts in the order listed below.

Battery

Refer to “BATTERY INSPECTION” in CHAP-
TER 2.

1

Starter relay

1

2

Main  fuse

1

3

Fuse box

1

4

ECU (engine control unit)

1

5

DC back buzzer

1

PZ50GT/PZ50FX/PZ50M/PZ50VT/PZ50MP

6

Gear motor relay 1

1

PZ50GT/PZ50FX/PZ50M/PZ50VT/PZ50MP

7

Gear motor relay 2

1

PZ50GT/PZ50FX/PZ50M/PZ50VT/PZ50MP

8

Gear motor relay 3

1

PZ50GT/PZ50FX/PZ50M/PZ50VT/PZ50MP

9

Passenger grip warmer relay

1

PZ50VT/PZ50MP

10

Headlight relay

1

11

Load control relay

1

12

Fuel injection system relay

1

13

Radiator fan motor relay

1

PZ50GT/PZ50FX/PZ50M/PZ50VT/PZ50MP

14

Battery bracket

1

For installation, reverse the removal proce-
dure.

10

11

12

13

6

7

8

9

2

3

5

4

1

14

(3)

23 Nm (2.3 m 

•

 kg, 17 ft 

•

 lb)

È:   

È

È

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Order

Job name/Part name

Q’ty

Remarks

Brake pad removal

Remove the parts in the order listed below.

1

Retaining pin

2

2

Brake pad

2

3

Pad spring

1

4

Brake caliper assembly

1

For installation, reverse the removal proce-
dure.

4

1

1

2

3

È

É

Ê

Ê

18 Nm (1.8 m 

•

 kg, 13 ft 

•

 lb)

6 Nm (0.6 m 

•

 kg, 4.3 ft 

•

 lb)

È:   
É:   

48 Nm (4.8 m 

•

 kg, 35 ft 

•

 lb)

Ê:   

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CAUTION:

Disc brake components rarely require disas-
sembly. DO NOT:
• Do not disassemble components unless

absolutely necessary.

• Do not use solvents on internal brake compo-

nents.

• Do not use contaminated brake fluid for

cleaning.

• Use only clean brake fluid.
• Do not allow brake fluid to contact the eyes,

otherwise eye injury may occur.

• Do not allow brake fluid to contact painted

surfaces or plastic parts otherwise damage
may occur.

• Do not disconnect any hydraulic connection,

otherwise the entire system must be disas-
sembled, drained, cleaned, and then properly
filled and bled after reassembly.

BRAKE PAD REPLACEMENT

NOTE:

It is not necessary to disassemble the brake caliper
and brake hose in order to replace the brake pads.

1. Remove:

• Brake pads

NOTE:

• Do not depress the brake lever when the caliper

or disc is off the machine otherwise the brake
pads will be forced shut.

• Install a new brake pad spring when the brake

pads are replaced.

• Replace the pads as a set if either one is found to

be worn to the wear limit 

a.

Wear limit:

4.7 mm (0.19 in)

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2. Install:

• Brake pads
• Pad spring

Installation steps:

• Connect a suitable hose 1 tightly to the caliper

bleed screw 2. Put the other end of this hose
into an open container.

• Loosen the caliper bleed screws and push the

pistons into the caliper with your finger.

• Tighten the caliper bleed screw 2.

• Install the brake pads and pad spring.

3. Check:

• Brake fluid level

Refer to “BRAKE FLUID LEVEL INSPEC-
TION” in CHAPTER 2.

4. Check:

• Brake lever operation

A soft or spongy feeling 

→ Bleed brake sys-

tem.
Refer to “AIR BLEEDING (HYDRAULIC
BRAKE SYSTEM)” in CHAPTER 2.

T

 

R

.

.

Bleed screw:

6 Nm (0.6 m · kg, 4.3 ft · lb)

2

1