1988-2006 Yamaha ATV YFS200 Blaster service manual PDF download file., Page 130Get this manual
CARBURETOR
CARBURETOR SETTING CHANGE
In extremely cold weather, it is necessary to change carburetor setting maintain optimum engine performance and to prevent engine damage
1Remove: Carburetor assembly Refer "CARBURETORREMOVAL" section2Adjust: Carburetor setting
Carburetor setting chart Temperature
Main jet
Jet needle 2nd groove
oF) above