Replacing The Oil Filter; Checking The Timing Belt - Yamaha F25C Service Manual

CHK
ADJ
7. Turn the engine off, and then check the
oil level and correct it if necessary.

Replacing the oil filter

1. Drain the engine oil.
2. Place a rag under the oil filter 1, and
then remove the oil filter using the oil fil-
ter wrench.
NOTE:
• Wait more than 5 minutes after turning the
engine off to replace the oil filter.
• Be sure to clean up any oil spills.
Oil filter wrench: 90890-01426
3. Apply a thin coat of engine oil to the O-
ring of the new oil filter.
4. Install the oil filter, and then tighten it to
the specified torque using the oil filter
wrench.
3-5
Periodic checks and adjustments
Oil filter:
18 N·m (1.8 kgf·m, 13.3 ft·lb)
5. Pour the specified amount of the recom-
mended engine oil into the oil filler hole.
Recommended engine oil:
4-stroke motor oil
API: SE, SF, SG, SH, or SJ
SAE: 10W-30 or 10W-40
Oil quantity:
With oil filter replacement:
1.9 L (2.0 US qt, 1.7 Imp qt)
6. Install the oil filler cap and dipstick, and
then start the engine and warm it up for 5
minutes.
7. Turn the engine off, and then check the
oil level and correct it if necessary.

Checking the timing belt

1. Remove the manual starter.
2. While turning the flywheel magnet clock-
wise, check the interior and the exterior
of the timing belt for cracks, damage, or
wear. Replace if necessary.
3. Turn the flywheel magnet clockwise to
transfer the slack of the timing belt from
port to starboard, and then lightly hold
the flywheel magnet in place.
4. Slightly push the timing belt with your fin-
ger between the drive gear and driven
gear, and then measure the belt slack.
Replace the timing belt if above specifi-
cation.
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