Yamaha WaveRunner FX140 Assembly Manual page 40

• To warm up the engine perform one of
the following two ways.
• In water
a. Place the watercraft in water, and then
start the engine.
b. Run the engine at 7,000 r/min or more
for more than 5 minutes.
c. Run the engine at trolling speed for 2–
3 minutes.
d. Stop the engine.
• On land
a. Connect the flushing hose connector to
the watercraft.
b. Start the engine, and then turn on the
water supply.
c. Run the engine at trolling speed for 6–
8 minutes.
d. Turn the water supply off, and then
stop the engine.
CAUTION:
When checking the oil level on land, be
sure to connect a garden hose to the
watercraft for proper water supply.
NOTE:
If the ambient temperature is less than
15 °C (59 °F), run the engine for an addi-
tional 5 minutes.
• Remove the oil filler cap 1, wipe the dip-
stick 2 clean, insert it back into the filler
hole, and then remove it again to check
the oil level.
NOTE:
The engine oil should be between the mini-
mum level mark a and maximum level
mark b.
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