Xc Us; Carburetor Tuning (300 Xc Us) - KTM 250 SX 2018 Owner's Manual

21 TECHNICAL DATA
21.3.6

300 XC US

Carburetor type
Carburetor identification number
Needle position
Jet needle
Main jet
Idling jet
Starting jet
Needle jet
Idle air adjusting screw
Open
21.3.7

Carburetor tuning (300 XC US)

M/FT ASL
TEMP
ASO
IJ
MIKUNI TMX 38
TMX 38 80
2nd position from top
6BFY43-75 (6BFY42-75)
450 (430, 440, 460)
25 (22.5/27.5)
80
S‑4
1.5 turns
Sea level
Temperature
Idle air adjusting screw open
Idling jet
112
402895-01