Periodic maintenance and adjustment
75
RST1NTF / RST1NTFY
RST9N
20. Check the O-ring of the filler cap for
damage, and replace it if necessary.
21. Install and tighten the oil filler cap.
22. Start the engine, and then let it idle for
several minutes while checking it for oil
leakage. If oil is leaking, immediately turn
the engine off and make sure that the en-
gine oil drain bolts, the cylinder head
cap, and the oil filler cap are installed
correctly.
23. Turn the engine off, and then connect the
oil level gauge coupler.
NOTICE:
If oil is
leaking or the oil level warning indica-
tor comes on when the engine is run-
ning, immediately turn the engine off
and have a Yamaha dealer check the
snowmobile. Continuing to operate
the engine under such conditions
could cause severe engine damage.
[ECS00472]
24. Place the bottom panel in the original po-
sition, and then install the bolts.
25. Place the right lower cover in the original
position, and then install the screws and
the bolts (RST1NTF / RST1NTFY).
1. “H” level mark
2. “L” level mark
3. O-ring
1. “H” level mark
2. “L” level mark
3. O-ring
1
2
3
3
1
2
Recommended engine oil:
See page 110.
Oil quantity:
With oil filter cartridge replacement:
3.0 L (3.17 US qt, 2.64 Imp.qt)
(RST9N)
3.3 L (3.49 US qt, 2.90 Imp.qt)
(RST1NTF, RST1NTFY)
Without oil filter cartridge replace-
ment:
2.8 L (2.96 US qt, 2.46 Imp.qt)
(RST9N)
3.1 L (3.28 US qt, 2.73 Imp.qt)
(RST1NTF, RST1NTFY)
Total amount:
3.7 L (3.91 US qt, 3.26 Imp.qt)
(RST9N)
4.0 L (4.23 US qt, 3.52 Imp.qt)
(RST1NTF, RST1NTFY)
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