Yamaha XS650G 1978, Supplementary Service Manual

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3. Start the engine and stop it after a few
minutes of run. This procedure is neces-
sary to obtain the correct fuel level.
NOTE:
Make sure the fuel petcock is “ON” or “RES”
oosition.
4. Note the fuel level and bring the gauge
to the other end of the carburetor line
and repeat step 3 above. Note the fuel
level again and compare it with the
previous gauge reading. They should be
equal. If not, place a suitable size of
wooden piece or the. alike under the
center stand and adjust.
5. Check the fuel level one by one. The
level should be in the specified range.
Fuel level:
1 1 mm 0.04 in) above
from the carburetor mixing chamber
body edge.
6. If the fuel level is incorrect, remove the
carburetor assembly from the motor-
cycle and check the fuel valve(s) and
float assembly(s) for damage.
7. If no damage is found, correct the fuel
level by slightly bending the float arm
tang. Recheck the fuel level.
D. ENGINE OIL LEVEL MEASUREMENT
1. Place the motorcycle on the center stand.
Warm up the engine for several minutes.
NOTE:
Be sure the motorcycle is positioned straight
up when checking the oil level; a slight tilt
toward the side can produce false readings.
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