Engine Oil And Oil Strainer - Yamaha YW50FD Owner's Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
To install the spark plug
1. Measure the spark plug gap with
a wire thickness gauge and, if
necessary, adjust the gap to
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specifi cation.
Spark plug gap:
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0.7 - 0.8 mm (0.028 - 0.031 in)
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2. Clean the surface of the spark
plug gasket and its mating sur-
face, and then wipe off any grime
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from the spark plug threads.
3. Install the spark plug with the
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spark plug wrench, and then
tighten it to the specifi ed torque.
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Tightening torque:
Spark plug:
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13 Nm (1.3 m·kgf, 9.4ft·lbf)
TIP
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If a torque wrench is not available
when installing a spark plug, a good
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estimate of the correct torque is 1/4 -
1/2 turn past fi nger tight. However, the
spark plug should be tightened to the
specifi ed torque as soon as possible.
4. Install the spark plug cap.
5. Install the panel.
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Engine oil and oil strainer

T h e e n g i n e o i l l e v e l s h o u l d b e
checked before each ride. In addition,
the oil must be changed and the oil
strainer cleaned at the intervals speci-
fi ed in the periodic maintenance and
lubrication chart.
To check the engine oil level
1. Place the vehicle on the center-
stand. A slight tilt to the side can
result in a false reading.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
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3
1. Oil fi ller cap
2. Maximum level mark
3. Minimum level mark
EAU1722A
EAUT1461
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