KTM 125 SX 2021 - Carburetor - Basic Setting for Sandy Surfaces (All 125 Models)

21 TECHNICAL DATA
134
MJ Main jet
Info
Do not use on sandy terrain.
For fast circuits with a large portion of high-load riding
MIKUNI TMX 38
ASL TEMP
−20 … −7 °C
(−4 … 19 °F)
−6 … 5 °C
(21 …
41 °F)
6 … 15 °C
(43 …
59 °F)
16 … 24 °C
(61 …
75 °F)
25 … 36 °C
(77 …
97 °F)
37 … 49 °C
(99 …
120 °F)
2,301 …
3,000 m
(7,549 …
9,843 ft)
ASO
IJ
NDL
POS
MJ
1.5
35
43-71
2
500
2
32.5
43-71
2
500
2
30
43-71
2
490
2
30
43-71
2
480
1.5
30
42-71
2
480
1,501 …
2,300 m
(4,925 …
7,546 ft)
ASO
IJ
NDL
POS
MJ
2
37.5
43-71
2
520
1.5
35
43-71
2
500
2
32.5
43-71
2
500
2
30
43-71
2
490
2
30
43-71
2
480
1.5
30
42-71
2
480
751 …
1,500 m
(2,464 …
4,921 ft)
ASO
IJ
NDL
POS
MJ
1.5
35
42-71
3
540
2
37.5
43-71
2
520
1.5
35
43-71
2
500
2
32.5
43-71
2
500
2
30
43-71
2
490
2
30
43-71
2
480
301 …
750 m
(988 …
2,461 ft)
ASO
IJ
NDL
POS
MJ
1.5
37.5
42-71
3
540
1.5
35
42-71
3
520
2
37.5
43-71
2
520
1.5
35
43-71
2
500
2
32.5
43-71
2
500
2
30
43-71
2
490
0 …
300 m (0
… 984 ft)
ASO
IJ
NDL
POS
MJ
1.5
37.5
42-71
3
560
1.5
35
42-71
3
540
2
37.5
43-71
2
540
1.5
35
43-71
2
520
2
32.5
43-71
2
500
2
30
43-71
2
490
ASL Sea level
TEMP Temperature
ASO Idle air adjusting screw open
IJ Idling jet
NDL Needle
POS Needle position from top
MJ Main jet
Info
Do not use on sandy terrain.
21.3.9 Carburetor - basic setting for sandy surfaces (All 125 models)
Idle air adjusting screw
Open 2 turns