TECHNICAL DATA 21
139
21.3.6 300 XC US
Carburetor type MIKUNI TMX 38
Carburetor identification number TMX 38 80
Needle position 2nd position from top
Jet needle 6BFY43-75 (6BFY42-75)
Main jet 450 (430, 440, 460)
Idling jet 25 (22.5/27.5)
Starting jet 80
Needle jet S‑4
Idle air adjusting screw
Open 1.5 turns
21.3.7 Carburetor tuning (300 XC US)
402896-01
M/FT ASL Sea level
TEMP Temperature
ASO Idle air adjusting screw open