GAS GAS MC 85 2023, Owner'S Manual

Page: 113 / 176

TECHNICAL DATA 20
111
20.3 Carburetor
Carburetor type KEIHIN PWK 28
Needle position 3rd position from top
Idle air adjusting screw
open 2 turns
Main jet 142 (140, 145, 148)
Jet needle NRKC (NRJC)
Idling jet 48 (45, 50)
Throttle slide 3
Choke nozzle 62
20.3.1 Carburetor tuning
KEIHIN PWK 28
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
2
45
NRK C
3
142
2
42
NRK C
3
142
1.5
42
NRJ C
3
140
2
42
NRJ C
3
138
1.5
40
NRJ C
3
138
1,501 …
2,300 m
(4,925 …
7,546 ft)
ASO
IJ
NDL
POS
MJ
2
48
NRK C
3
145
2
45
NRK C
3
142
2
42
NRK C
3
142
1.5
42
NRJ C
3
140
2
42
NRJ C
3
138
1.5
40
NRJ C
3
138
751 …
1,500 m
(2,464 …
4,921 ft)
ASO
IJ
NDL
POS
MJ
2
48
NRJ C
4
145
2
48
NRK C
3
145
2
45
NRK C
3
142
2
42
NRK C
3
142
1.5
42
NRJ C
3
140
2
42
NRJ C
3
138
301 …
750 m (988
… 2,461 ft)
ASO
IJ
NDL
POS
MJ
2
48
NRJ C
4
148
1.5
48
NRK C
3
148
2
48
NRK C
3
145
2
45
NRK C
3
142
2
42
NRK C
3
142
1.5
42
NRJ C
3
140
0 … 300 m
(0 … 984 ft)
ASO
IJ
NDL
POS
MJ
2
48
NRJ C
4
148
1.5
48
NRK C
3
148
2
48
NRK C
3
145
2
48
NRK C
3
142
2
45
NRK C
3
142
1.5
42
NRK C
3
140
ASL Sea level
TEMP Temperature
ASO Idle air adjusting screw open
IJ Idling jet
NDL Needle
POS Needle position from top
MJ Main jet