Yamaha BLASTER YFS200W - Page 92

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Carburetor setting chart
Changing the carburetor settings
Disassembling the carburetor
1. Turn the fuel cock to the “OFF” position.
2. Loosen the carburetor float bowl drain screw
and drain the fuel.
3. Disconnect the fuel hose and the oil hose.
1. Standard position: Groove 2
Temperature Main jet Jet needle
Pilot air
screw
Above 0°C (32°F)
(standard)
#230 2nd groove
1 1/2
turns out
+5°C (41°F) –
-15°C (5°F)
#230 2nd groove
1 1/2
turns out
-10°C (14°F) –
-30°C (-22°F)
#240 3rd groove
1 1/2
turns out
1
1. Carburetor float bowl drain screw
1