Yamaha FX Nytro FX10X Owner's Manual page 55

2. Start the engine, warm it up for 10–15
minutes, and then turn it off.
NOTE:
The engine can also be warmed up by op-
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erating the snowmobile for 10–15 minutes.
After operating the snowmobile, allow the
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engine to idle for at least 10 seconds before
turning it off.
3. Remove the shroud and the right side
cover. (See page 43 for removal proce-
dures.)
4. Disconnect the oil level gauge coupler.
1. Oil level gauge coupler
2. Oil filler cap
ECS00451
CAUTION:
Disconnect the oil level gauge coupler be-
fore removing the oil filler cap, otherwise
the cable could twist and break.
5. Remove the oil filler cap, wipe the dipstick
clean, insert it back into the oil filler hole
(without screwing it in), and then remove
it again to check the oil level.
Periodic maintenance
1. Oil filler cap
2. Dipstick
NOTE:
The engine oil should be between the "H" and
"L" level marks on the dipstick.
1. "H" level mark
2. "L" level mark
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 74 for the recommend-
ed oil.)
ECS00461
CAUTION:
When adding the engine oil, be careful
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not to fill above the "H" level mark on the
dipstick.
Use only 4-stroke engine oil.
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Make sure that no foreign material en-
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ters the engine oil tank.
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