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Snowmobile Yamaha Phazer PZ50W, PZ50GTW, PZ50FXW, PZ50MW, PZ50VTW, PZ50MPW. Manual - part 11

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BRAKE HOSE INSPECTION/

AIR BLEEDING (HYDRAULIC BRAKE SYSTEM)

BRAKE HOSE INSPECTION

1. Inspect:

• Brake hose

Cracks/damage/wear

→ Replace.

2. Check:

• Fluid leakage

Apply the brake lever several times.
Fluid leakage

→ Replace the defective parts.

AIR BLEEDING (HYDRAULIC BRAKE
SYSTEM)

WARNING

Bleed the brake system in the following cases:
• The system has been disassembled.
• A brake hose is loosened or removed.
• The brake fluid has been very low.
• Brake operation is faulty.
If the brake system is not properly bled a loss of
braking performance may occur.

1. Remove:

• Right side cover

Refer to “COWLINGS” in CHAPTER 3.

2. Bleed:

• Brake system

Air bleeding steps:
a. Fill the brake master cylinder reservoir with the

proper brake fluid.

b. Install the diaphragm. Be careful not to spill any

fluid or allow the brake master cylinder reservoir
to overflow.

c. Connect clear plastic hose 1 tightly to the

brake caliper bleed screw 2.

d. Place the other end of the hose in a container.
e. Slowly apply the brake lever several times.
f. Pull the lever in, then hold the lever in position.
g. Loosen the bleed screw and allow the brake

lever to travel towards its limit.

h. Tighten the bleed screw when the brake lever

limit has been reached, then release the lever.

i. Repeat steps (e) to (h) until all of the air bubbles

have disappeared from the fluid.

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AIR BLEEDING (HYDRAULIC BRAKE SYSTEM)/

DRIVE CHAIN

j. Tighten the bleed screw.

NOTE:

If bleeding is difficult, it may be necessary to let the
brake fluid settle for a few hours.
Repeat the bleeding procedure when the tiny bub-
bles in the system have disappeared.

k. Add brake fluid to the proper level.

Refer to “BRAKE FLUID LEVEL INSPECTION”.

WARNING

After bleeding the brake system, check the
brake operation.

DRIVE CHAIN

Oil level inspection

WARNING

The engine and muffler will be very hot after the
engine has run. Avoid touching a hot engine
and muffler while they are still hot with any part
of your body or clothing during inspection or
repair.

1. Remove:

• Right side cover

Refer to “COWLINGS” in CHAPTER 3.

2. Place the machine on a level surface.
3. Check:

• Oil level

Checking steps:

• Remove the dipstick 1 and wipe it off with a

clean rag.
The put the dipstick in the hole.

CAUTION:

There is a magnet attached to the end of the
dipstick. It is used to remove any metal parti-
cles that may accumulate in the drive chain
housing.
Be sure to:
• Pull the dipstick out slowly and gently so the

metal particles do not fall off the magnet back
into the drive chain housing.

• Wipe off the magnet before reinserting the

dipstick into the drive chain housing.

Bleed screw:

6 Nm (0.6 m · kg, 4.3 ft · lb)

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DRIVE CHAIN

• Remove the dipstick and check that the oil

reaches the bottom of the dipstick. If the oil
does not reach the bottom of the dipstick, add
sufficient oil to raise it to the correct level.

CAUTION:

Make sure that no foreign material enters the
drive chain housing.

Recommended oil:

Gear oil “GL-3” 75W or 80W

• Reinstall the dipstick 1.

NOTE:

Align the notch

a of the dipstick handle with the

projection

b of the drive chain housing.

Oil replacement

Oil replacement steps:

• Place the oil pan under the drain hole.
• Remove the right lower cover.

Refer to “COWLINGS” in CHAPTER 3.

• Remove the oil drain bolt (along with the gas-

ket) 1 and drain the oil.

CAUTION:

Be sure to remove any oil from the heat protec-
tor.

• Install the new gasket and oil drain bolt 1.

Oil drain bolt:

16 Nm (1.6 m · kg, 11 ft · lb)

Recommended oil:

Gear oil “GL-3” 75W or 80W

Oil capacity:

0.25 L (0.22 Imp qt, 0.26 US qt)

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DRIVE CHAIN/TRACK TENSION ADJUSTMENT

Chain slack adjustment

1. Adjust:

• Drive chain slack

Adjustment steps:

• Loosen the locknut 1.
• Turn the adjusting bolt 2 clockwise until it is fin-

ger tight, and then loosen it 1/4 turn.

• Hold the adjusting bolt 2 in place while tighten-

ing the chain adjusting locknut 1.

Drive chain adjusting locknut:

25 Nm (2.5 m · kg, 18 ft · lb)

TRACK TENSION ADJUSTMENT

WARNING

A broken track or track fittings, and debris
thrown by the track could be dangerous to an
operator or bystanders. Observe the following
precautions.
• Do not allow anyone to stand behind the

machine when the engine is running.

• When the rear of the machine is raised to

allow the track to spin, a suitable stand must
be used to support the rear of the machine.
Never allow anyone to hold the rear of the
machine off the ground to allow the track to
spin. Never allow anyone near a rotating
track.

• Inspect the condition of the track frequently.

Replace the track if it is damaged to a level
where the fabric reinforcement material is vis-
ible.

1. Lift the rear of the machine onto a suitable stand

to raise the track off the ground.

2. Measure:

• Track deflection

Using a spring scale 1, pull down on the cen-
ter of the track with 100 N (10 kg, 22 lb) of
force.
Out of specification

→ Adjust.

Track deflection:

30 ~ 35 mm (1.18 ~ 1.38 in)

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