Yamaha BLASTER YFS200N - Manual (Page 114)

8-14
Carburetor setting chart
Changing the carburetor settings
Disassembly
1. Turn the fuel cock to the “OFF” position.
2. Turn out the carburetor drain screw and
drain the fuel.
q
1st groove
2nd (Standard)
3rd
4th
5th
Jet needle clip position
q
1. Main jet number
Temperature Main jet Jet needle Pilot air screw
0°C (32°F) above
#230 2nd groove 1 1/2 turns out
(Standard)
+5°C
~
–15°C
#230 2nd groove 1 1/2 turns out
(41°F) (5°F)
–10°C
~
–30°C
#240 3rd groove 1 1/2 turns out
(14°F) (–22°F)
1. Carburetor drain screw