Yamaha RS Venture RST9NJ Owner's Manual page 78

Periodic maintenance and adjustment
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
RST1NTFY (see page 59 for the proce-
dures)], or open the shroud and remove
the right side cover [RST9N (see page 61
for the procedures)].
4. Remove the screws and the bolts, and
then pull the right lower cover outward to
remove it (RST1NTF / RST1NTFY).
RST1NTF / RST1NTFY
3
1
1. Screw
2. Bolt
3. Right lower cover
5. Remove the bottom panel by removing
the bolts.
1. Bolt
2. Bottom panel
72
cover [RST1NTF /
2
2
1
6. Place an oil pan under the oil tank to col-
lect the used oil.
7. Disconnect the oil level gauge coupler.
RST1NTF / RST1NTFY
1. Oil level gauge coupler
2. Oil filler cap
RST9N
1
1. Oil level gauge coupler
2. Oil filler cap
8. Remove the oil filler cap and the cylinder
head cap, and then remove the engine oil
drain bolt and its gasket to drain the oil
from the oil tank.
1
2