Yamaha FZR400 1988-1989 Service Manual page 236

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CARBURETOR m
ADJUSTMENT
NOTE:
Before adjusting the fuel level, the float heigl
should be adlusted.
The pilot screw settings are adjusted f
maximum performance at the factory. A
attempt to change these settings \II
decrease enaine performance.
Fuel Level Adjustment
1. Measure:
Out of specification+Adjust it by the folio
ing adjustment steps.
Fuel level measurement steps:
Place the motorcycle on the level place.
??
Connect the Fuel Level Gauge
??
to the carburetor 0.
??
Place the Gauge vertically next to the fl
chamber line @ .
Loosen the drain screw @ .
??
??
Warm up the engine, then shut it off aft!
few minutes.
??
fvleasure the fuel level. It should be wii
the specified range.
NOTE:
Fuel level readings of both side of carburN
line should be equal.

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