Yamaha BANSHEE YFZ350Y, Owner'S Manual, Page: 99 / 142

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Carburetor setting chart
Changing the settings of the carburetors
To change the settings of the carburetors, you
need to disassemble and remove them. Follow the
procedures for both carburetors.
Disassembling and removing the carburetors
1. Turn the fuel cock to the “OFF” position.
2. Turn out the carburetor drain screw to drain
the fuel.
3. Remove the seat.
4. Remove the radiator cover and side cover by
removing the screws.
5. Disconnect the fuel hoses.
Temperature
Altitude
0–1500 m (5000 ft) Above 1500 m (5000 ft)
Main jet Jet needle Pilot air screw Main jet Jet needle Pilot air screw
Above 0°C (32°F) #200 3rd groove 2.0 turns out #190 3rd groove 2 1/2 turns out
from +5 °C (41 °F) to
–15 °C (5 °F)
#220 3rd groove 1 1/2 turns out #200 3rd groove 2.0 turns out
from –10 °C (14 °F) to
–30 °C (–22 °F)
#240 4th groove 1 1/2 turns out #220 3rd groove 1 1/2 turns out
1. Radiator cover
2. Side cover
3. Radiator cover bolt
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