Carburetor; Carburetor Tuning - Husqvarna TC 65 2020 Owner's Manual

Nut, primary gear wheel
20.3

Carburetor

Carburetor type
Needle position
Idle air adjusting screw
Open
Main jet
Jet needle
Idling jet
Needle jet
Throttle slide
20.3.1

Carburetor tuning

MIKUNI TM 24
−20 ... −7 °C
ASL TEMP
(−4 ... 19 °F)
ASO 3.5
2,301 ...
IJ 20
3,000 m
NDL 5N17
(7,549 ...
POS 3
9,843 ft)
MJ 210
ASO 3.5
1,501 ...
IJ 20
2,300 m
NDL 5N17
(4,925 ...
POS 3
7,546 ft)
MJ 210
ASO 3
751 ...
IJ 25
1,500 m
NDL 5N17
(2,464 ...
POS 3
4,921 ft)
MJ 215
ASO 3
301 ...
IJ 30
750 m
NDL 5N17
(988 ...
POS 3
2,461 ft)
MJ 220
ASO 3
0 ...
IJ 30
300 m (0 NDL 5N17
POS 3
... 984 ft)
MJ 225
ASL
TEMP
ASO
IJ
NDL
M14x1.25
MIKUNI TM 24
2nd position from top
3.5 turns
210
5IPL43 (5N17)
20
Q-O (454)
2.5
−6 ... 5 °C
6 ... 15 °C
(21 ... (43 ...
41 °F) 59 °F)
3.5 3.5
20 15
5N17 5N17
2 2
210 205
3.5 3.5
20 20
5N17 5N17
2 2
210 210
3.5 3.5
20 20
5N17 5N17
3 2
210 210
3 3.5
25 20
5N17 5N17
3 3
215 210
3 3.5
25 20
5N17 5N17
3 3
215 210
Above sea level
Temperature
Open (rotations) idle air adjusting screw
Idling jet
Jet needle
TECHNICAL DATA 20
40 Nm (29.5 lbf ft)
Loctite
16 ... 24 °C 25 ... 36 °C
(61 ... (77 ...
75 °F) 97 °F)
3.5 2.5
15 15
5N17 5N17
2 1
200 200
3.5 3.5
15 15
5N17 5N17
2 2
205 200
3.5 3.5
20 15
5N17 5N17
2 2
210 205
3,5 3.5
20
20
5N17
5N17
2
2
210
210
3.5 3.5
20 20
5N17 5N17
2 2
210 210
®
243™
37 ... 49 °C
(99 ...
120 °F)
2.5
15
5N17
1
200
3.5
15
5N17
2
200
3.5
15
5N17
2
205
3.5
15
5N17
2
205
111