Filter
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Periodic maintenance and adjustment
80
6. If the engine oil is below the “L” level
mark, add sufficient oil of the recom-
mended type to raise it to the “H” level
mark. (See page 123 for the recommend-
ed oil.) NOTICE: When adding the en-
gine oil, be careful not to fill above the
“H” level mark on the dipstick. Use
only the recommended oil. (See page
123.) Make sure that no foreign materi-
al enters the engine oil tank.
[ECS00462]
7. Insert the dipstick into the oil filler hole,
and then tighten the oil filler cap.
8. Connect the oil level gauge coupler.
9. Install the right side cover and the shroud
(RS90P / RS90PLT / RST90PGT), or
close the shroud (RST90).
To change the engine oil (with or with-
out oil filter cartridge replacement)
1. Place the snowmobile on a level surface
and apply the parking brake.
2. Start the engine, warm it up for several
minutes, and then turn it off.
3. Remove the shroud, the right side cover,
and the top cover (RS90P / RS90PLT /
RST90PGT), or open the shroud and re-
move the right side cover (RST90). [See
page 63 (RS90P / RS90PLT /
RST90PGT) or page 67 (RST90) for the
procedures.]
4. Remove the screws and the bolts, and
then pull the right lower cover outward to
remove it (RS90P / RS90PLT /
RST90PGT).
RS90P / RS90PLT / RST90PGT
5. Remove the bottom panel by removing
the bolts.
6. Place an oil pan under the oil tank to col-
lect the used oil.
7. Disconnect the oil level gauge coupler.
1. Screw
2. Bolt
3. Right lower cover
1. Bolt
2. Bottom panel
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3
2
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U8HV10E0.book Page 80 Monday, May 16, 2011 1:15 PM