Changing The Engine Oil - Yamaha YZF-R25 Service Manual

chemical additives or use engine oils with a
grade of "CD" or higher and do not use oils
labeled "ENERGY CONSERVING II".
• Do not allow foreign materials to enter the
crankcase.
4. Start the engine, warm it up for several min-
utes, and then turn it off.
5. Check the engine oil level again.
TIP
Before checking the engine oil level, wait a few
minutes until the oil has settled.
EAS30657

CHANGING THE ENGINE OIL

1. Start the engine, warm it up for several min-
utes, and then turn it off.
2. Place a container under the engine oil drain
bolt.
3. Remove:
• Engine oil filler cap "1"
• Engine oil drain bolt "2"
(along with the gasket "3")
2 3
4. Drain:
• Engine oil
(completely from the oil pan)
5. If the oil filter cartridge is also to be replaced,
perform the following procedure.
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a. Remove the oil filter cartridge "1" with an oil
filter wrench "2".
1
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PERIODIC MAINTENANCE
b. Lubricate the O-ring "3" of the new oil filter
cartridge with a thin coat of engine oil.
ECA13390
NOTICE
Make sure the O-ring "3" is positioned cor-
rectly in the groove of the oil filter cartridge.
c. Tighten the new oil filter cartridge to specifi-
cation with an oil filter wrench.
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6. Install:
• Engine oil drain bolt "1"
(along with the gasket "2"
TIP
Install the new gasket as shown in the illustra-
tion.
▼▼▼
3-22
Oil filter wrench
90890-01426
Oil filter wrench
YU-38411
2
1
Oil filter cartridge
17 Nm (1.7 m·kgf, 12 ft·lbf)
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New
Engine oil drain bolt
20 Nm (2.0 m·kgf, 14 ft·lbf)
3
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)