Snowmobile Yamaha Phazer PZ50 (2007-2008 year). Manual - part 44

5-13

ENG

ENGINE ASSEMBLY

HOSE AND LEADS

Order

Job name/Part name

Q’ty

Remarks

Hose and leads removal

Remove the parts in the order listed below.

Coolant

Drain.
Refer to “COOLING SYSTEM” in CHAPTER 2.

Engine oil

Drain.
Refer to “ENGINE OIL REPLACEMENT” in 
CHAPTER 2.

Throttle body

Refer to “THROTTLE BODY” in CHAPTER 7.

Primary sheave

Refer to “PRIMARY SHEAVE AND DRIVE V-
BELT” in CHAPTER 4.

Brake disc

Refer to “DRIVE CHAIN” in CHAPTER 4.

Radiator/coolant reservoir/thermostat

Refer to “RADIATOR AND HEAT 
EXCHANGER” in CHAPTER 6.

Handlebar/steering shaft

Refer to “STEERING” in CHAPTER 3.

Oil tank inlet hose/oil tank outlet hose

Refer to “OIL TANK”.

Fuel tank

Refer to “SEAT AND FUEL TANK”.

4

5

6

1

1

2

3

9

7

8

È

È

7 Nm (0.7 m 

•

 kg, 5.1 ft 

•

 lb)

È:   

ENGINE ASSEMBLY

5-14

ENG

ENGINE ASSEMBLY

Order

Job name/Part name

Q’ty

Remarks

Exhaust pipe/muffler assembly

Refer to “EXHAUST PIPE AND MUFFLER”.

Water pump

Refer to “WATER PUMP” in CHAPTER 6.

Battery

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

1

A.C. magneto lead coupler

2

Disconnect.

2

Rectifier/regulator lead coupler

1

Disconnect.

3

Frame ground lead

1

Disconnect.

4

Starter motor lead

1

Disconnect.

5

Knock sensor coupler

1

Disconnect.

6

Sub-wire harness 2 coupler

1

Disconnect.

7

Cam position sensor coupler

1

Disconnect.

8

Ignition coil coupler

3

Disconnect.

9

Speed sensor lead coupler

1

Disconnect.

For installation, reverse the removal proce-
dure.

4

5

6

1

1

2

3

9

7

8

È

È

7 Nm (0.7 m 

•

 kg, 5.1 ft 

•

 lb)

È:   

5-15

ENG

ENGINE ASSEMBLY

ENGINE ASSEMBLY

Order

Job name/Part name

Q’ty

Remarks

Engine assembly removal

Remove the parts in the order listed below.

1

Frame rear cross member

1

2

Nut

3

3

Washer

1

4

Washer

1

5

Front engine right mounting bolt/washer

1/1

6

Engine mounting bracket

1

7

Front engine left mounting bolt

1

8

Rear engine mounting bolt

1

9

Rear engine mounting bolt spacer

1

10

Front engine mounting bolt spacer

2

11

Engine assembly

1

For installation, reverse the removal proce-
dure.

Ë

1

Ê

3

2

Ì

9

È

10

Ì

2

7

10

11

8

2

É

6

5

Ì

4

30 Nm (3.0 m 

•

 kg, 22 ft 

•

 lb)

25 Nm (2.5 m 

•

 kg, 18 ft 

•

 lb)

7 Nm (0.7 m 

•

 kg, 5.1 ft 

•

 lb)

23 Nm (2.3 m 

•

 kg, 17 ft 

•

 lb)

È:   
É:   
Ê:   
Ë:   

40 Nm (4.0 m 

•

 kg, 29 ft 

•

 lb)

Ì:   

5-16

ENG

ENGINE ASSEMBLY

REMOVAL

1. Remove:

• Rear engine mounting nut
• Front engine mounting nuts
• Washers

NOTE:

Do not remove the engine mounting bolts.

2. Remove:

• Engine assembly

Removal steps:

• Screw in the engine mounting bolt spacers

(front and rear) using the engine mount spacer
wrench 1 so that there is a gap between each
engine mounting bolt spacer 2 and engine
damper 3.

• Remove the engine mounting bolts and engine

mounting bracket.

• Remove the rear engine mounting bolt spacer,

and then remove the engine assembly.

Engine mount spacer wrench:

90890-01516, YS-01516

2

3

1

INSTALLATION

NOTE:

After installing all parts, refer to “CABLE ROUT-
ING” in CHAPTER 9, to check the cable, lead and
hose routing.

1. Install:

• Engine assembly

NOTE:

Use the pivot shaft wrench to tighten the engine
mounting bolt spacers.