Carburetor; Basic Carburetor Setting For Sandy Surfaces; Carburetor Tuning - Husqvarna TC 85 2023 Owner's Manual

20 TECHNICAL DATA
20.3
Carburetor type
Needle position
Idle air adjusting screw
open
Main jet
Jet needle
Idling jet
Throttle slide
Choke nozzle
20.3.1
Idle air adjusting screw
Idling jet
Jet needle
Needle position
Main jet
20.3.2
KEIHIN PWK 28
ASL
2,301 ...
3,000 m
(7,549 ...
9,843 ft)
1,501 ...
2,300 m
(4,925 ...
7,546 ft)
751 ...
1,500 m
(2,464 ...
4,921 ft)
301 ...
750 m
(988 ...
2,461 ft)
118

Carburetor

Basic carburetor setting for sandy surfaces

Info
If the engine is not running smoothly, use a smaller main jet.

Carburetor tuning

−20 ... −7 °C
TEMP
(−4 ... 19 °F)
ASO 2
IJ 48
NDL NRK C
POS 3
MJ 142
ASO 2
IJ 48
NDL NRK C
POS 3
MJ 145
ASO 2
IJ 48
NDL NRJ C
POS 4
MJ 145
ASO 2
IJ 48
NDL NRJ C
POS 4
MJ 148
KEIHIN PWK 28
3rd position from top
2 turns
142 (140, 145, 148)
NRKC (NRJC)
48 (45, 50)
3
62
2 turns
48
NRJ C
4th position from top
148
−6 ... 5 °C
6 ... 15 °C
(21 ... (43 ...
41 °F) 59 °F)
2 1.5
45 42
NRK C NRK C
3 3
142 140
2 2
48 45
NRK C NRK C
3 3
142 142
2 2
48 48
NRK C NRK C
3 3
145 142
1.5 2
48 48
NRK C NRK C
3 3
148 145
16 ... 24 °C 25 ... 36 °C
(61 ... (77 ...
75 °F) 97 °F)
2 1.5
42 42
NRK C NRJ C
3 3
138 138
1.5 2
42 42
NRK C NRK C
3 3
140 138
2 1.5
45 42
NRK C NRK C
3 3
142 140
2 2
48 45
NRK C NRK C
3 3
142 142
37 ... 49 °C
(99 ...
120 °F)
1.5
42
NRJ C
3
138
2
42
NRK C
3
138
1.5
42
NRK C
3
140