Yamaha RS90K, Service Manual

Page: 80 / 841

2-19
INSP
ADJ
ENGINE OIL LEVEL INSPECTION
Inspection steps:
• Place the snowmobile on a level surface and
apply the parking brake.
• Start the engine, warm it up for 10 ~ 15 minutes,
and then turn off.
• Disconnect the oil level switch coupler
1
.
CAUTION:
Disconnect the oil level switch coupler before
removing the oil level gauge. Otherwise the
lead can twist and become severed.
• Remove the oil level gauge/dipstick
2
, wipe it
clean, insert it back into the filler hole (without
screwing it in), and then remove it again to
check the oil level.
• The engine oil level should be between the
maximum level mark
a
and minimum level
mark
b
.
Below the minimum level mark
→
Add the rec-
ommended engine oil to the proper level.
CAUTION:
When adding the engine oil, be careful not to fill
above the maximum level mark and minimum
level mark on the oil level gauge.
CAUTION:
Do not allow foreign materials to enter the
crankcase.
NOTE:
Before checking the engine oil level, wait a few
minutes until the oil has settled.
• Start the engine, warm it up for several minutes,
and then turn it off.
Recommended oil:
Refer to the chart for the engine oil
grade which is best suited for cer-
tain atmospheric temperatures.
API standard:
API SE, SF, SG or higher
SAE 0W-30
1
2