Snowmobile Yamaha Phazer PZ50 (2007-2008 year). Manual - part 31

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SECONDARY SHAFT

SECONDARY SHAFT

PZ50

Order

Job name/Part name

Q’ty

Remarks

Secondary shaft removal

Remove the parts in the order listed below.

Secondary sheave assembly

Refer to “SECONDARY SHEAVE”.

Drive chain

Refer to “DRIVE CHAIN”.

1

Bearing holder

2

2

Secondary shaft

1

3

Circlip

1

4

Bearing

1

5

Bearing

1

For installation, reverse the removal proce-
dure.

È

1

5

1

4

3

2

24 Nm (2.4 m 

•

 kg, 17 ft 

•

 lb)

È:   

New

: 1 ESSO beacon 325 grease

or Aeroshell grease #7A

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SECONDARY SHAFT

REMOVAL

1. Remove:

• Drive chain parts

Refer to “DRIVE CHAIN”.

• Secondary sheave assembly

Refer to “SECONDARY SHEAVE”.

2. Remove:

• Bearing housing
• Secondary shaft 1 

NOTE:

Remove the secondary shaft 1 from the right side
of the machine.

1

INSPECTION

1. Inspect:

• Secondary shaft 1 

Scratches (excessive)/damage 

→ Replace.

• Splines 2 

Wear/damage 

→ Replace the secondary

shaft.

• Bearing contact surface 3 

Scratches/wear/damage 

→ Replace the sec-

ondary shaft.

2. Inspect:

• Bearing 1 

Pitting/damage 

→ Replace.

NOTE:

When reassembling the bearing, press the bearing
onto the secondary shaft as shown.

È 124.9 ~125.1 mm (4.92 ~ 4.93 in)

È

1

INSTALLATION

1. Install:

• Secondary shaft

2. Install

• Drive chain parts

Refer to “DRIVE CHAIN”.

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SECONDARY SHAFT

3. Tighten:

• Bearing holder bolts 1 

4. Check:

• Secondary shaft stiffness

CAUTION:

When the secondary shaft is operated in peri-
odic motion, and if its movement is heavy,
install it again correctly.

T

 

R

.

.

Bearing holder bolt:

24 Nm (2.4 m · kg, 17 ft · lb) 

1

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SECONDARY SHAFT

SECONDARY SHAFT AND DRIVE CHAIN 
INSTALLATION

1. Install:

• Secondary shaft
• Drive chain parts

Installation steps:

• Install the secondary shaft.
• Install the drive chain parts.
• Install the drive chain, drive sprocket and driven

sprocket.

• Tighten the bolt 1.

• Install the drive chain cover 2.

È Properly install the rubber seal onto the drive chain

housing, making sure that these are no gaps.

• Tighten the bolts 3.

NOTE:

Tighten the drive chain cover bolts in proper tight-
ening sequence as shown.

• Install the brake disc.
• Adjust the brake disc clearance.

2. Measure:

• Brake disc clearance 

a 

Out of the specification 

→ Adjust.

3. Adjust:

• Brake disc clearance

Adjustment steps:

• Remove the circlip 4.
• Adjust the brake disc clearance by adding or

removing shim(s) 5.

• Install the new circlip.

T

 

R

.

.

Driven sprocket bolt:

48 Nm (4.8 m · kg, 35 ft · lb)
LOCTITE

®

T

 

R

.

.

Drive chain cover bolt:

24 Nm (2.4 m · kg, 17 ft · lb)

Brake disc clearance:

0.2 ~ 0.7 mm (0.008 ~ 0.028 in)

Shim size

Part number

Thickness

90201-203F0

0.5 mm (0.02 in)

90201-20021

1.0 mm (0.04 in)

a

3

È

È

2

1

4

5

3

4

2

5

6

7

1