Snowmobile Yamaha Phazer PZ50 (2007-2008 year). Manual - part 8

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ENGINE OIL LEVEL INSPECTION/

ENGINE OIL REPLACEMENT

• Start the engine, warm it up for several minutes,

and then turn it off.

• Check the engine oil level again.

NOTE:

Before checking the engine oil level, wait a few
minutes until the oil has settled.

CAUTION:

• Use only 4-stroke engine oil.
• Engine oil also lubricates the starter clutch. In

order to prevent clutch slippage, do not mix
any chemical additives with the oil or use oils
of a higher grade than “CD”. In addition, do
not use oils labeled “ENERGY CONSERVING
II” or higher.

ENGINE OIL REPLACEMENT

1. Place the snowmobile on a level surface and

apply the parking brake.

2. Start the engine, warm up for several minutes,

and then turn it off.

3. Place a containers under the engine oil pan and

oil tank.

4. Remove:

• Bottom panel 1 

5. Remove:

• Left side panel
• Right side cover
• Right lower cover

Refer to “COWLINGS” in CHAPTER 3.

6. Disconnect:

• Oil level gauge coupler

Refer to “ENGINE OIL LEVEL INSPECTION”.

7. Remove:

• Oil level gauge/dipstick

Refer to “ENGINE OIL LEVEL INSPECTION”.

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ENGINE OIL REPLACEMENT

8. Remove:

• Cylinder head cap 1 

1

9. Remove:

• Oil pan engine oil drain bolt 1 

1

10. Remove:

• Oil tank engine oil drain bolt 1 

11. Drain:

• Engine oil

(completely from the oil pan and oil tank)

12. If the oil filter cartridge is also to be replaced,

perform the following procedure.

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Replacement steps:

• Remove the air filter case.

Refer to “COWLINGS” in CHAPTER 3.

• Remove the oil filter bolts 1.
• Remove the oil filter cartridge 2 with an oil filter

wrench 3.

Oil filter wrench:

90890-01469, YM-01469

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1

3

2

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ENGINE OIL REPLACEMENT

• Apply a thin coat of engine oil onto the O-ring 4

of the new oil filter cartridge.

CAUTION:

Make sure that the O-ring 4 is positioned cor-
rectly in the groove of the oil filter cartridge.

• Tighten the new oil filter cartridge to specifica-

tion with an oil filter wrench.

• Tighten the oil cooler bolts to specification.

13. Install:

• Drain bolts

(along with the new gaskets)

14. Fill:

• Engine oil

(with the specified amount of the recom-
mended engine oil)
Add 1.5 L (1.3 Imp qt, 1.6 US qt) of the recom-
mended engine oil to the oil tank, and then
install and tighten the oil level gauge/dipstick
and the cylinder head cap.

15. Inspect:

• Engine and oil tank

(for engine oil leaks)

16. Inspect:

• Engine oil level

Refer to “ENGINE OIL LEVEL INSPECTION”.

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.

Oil filter cartridge:

17 Nm (1.7 m · kg, 12 ft · lb)

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.

Oil cooler bolt:

10 Nm (1.0 m · kg, 7.2 ft · lb)
LOCTITE

®

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Oil tank engine oil drain bolt:

16 Nm (1.6 m · kg, 11 ft · lb)

Oil pan engine oil drain bolt:

30 Nm (3.0 m · kg, 22 ft · lb)

Quantity:

Total amount:

3.00 L (2.64 Imp qt, 3.17 US qt)

Periodic oil change:

2.45 L (2.16 Imp qt, 2.59 US qt)

With oil filter replacement:

2.63 L (2.31 Imp qt, 2.78 US qt)

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ENGINE OIL REPLACEMENT/CYLINDER HEAD BREATHER

HOSE INSPECTION/THROTTLE BODY JOINTS INSPECTION

17. Inspect:

• Engine oil pressure

Inspection steps:

• Remove the exhaust pipe joint upper cover.

Refer to “EXHAUST PIPE AND MUFFLER” in
CHAPTER 5.

• Slightly loosen the oil gallery bolt 1.
• Install the fuel tank.

Refer to “SEAT AND FUEL TANK” in CHAP-
TER 5. (PZ50/PZ50GT/PZ50FX/PZ50M)
Refer to “RIDER SEAT AND FUEL TANK” in
CHAPTER 5. (PZ50VT/PZ50MP)

• Start the engine and keep it idling until engine

oil starts to seep from the oil check bolt.
If no engine oil comes out after one minute, turn
the engine off so that it will not seize.

• Check the engine oil passages, the oil filter and

the oil pump for damage or leakage.

• Start the engine after solving the problem(-s)

and check the engine oil pressure again.
Tighten the oil check bolt to specification.

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Oil check bolt:

10 Nm (1.0 m · kg, 7.2 ft · lb)

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CYLINDER HEAD BREATHER HOSE 
INSPECTION

1. Inspect:

• Cylinder head breather hose 1 

Cracks/damage 

→ Replace.

Loosen connection 

→ Connect properly.

CAUTION:

Make sure that the cylinder head breather hose
is routed correctly.

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THROTTLE BODY JOINTS INSPECTION

1. Remove:

• Air filter case

Refer to “COWLINGS” in CHAPTER 3.

2. Inspect:

• Throttle body joints 1 

Cracks/damage 

→ Replace.

Refer to “THROTTLE BODY” in CHAPTER 7.

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