Concentric Carburetter

In order to comply with the new emission regulations then being introduced Amal developed the Concentric carburetter in 1965. This had the float bowl below and concentric to the mixing chamber instead of to one side. The MK II Concentric was a later development of this. Obviously neither of these two were ever originally fitted to Ariels. We stock a full range of spares and new carburetter assemblies, which we can supply with approximate jettings only; they will require final setting up. Please enquire.

Key

Part Number

600

Per

900

Key

NI

622/208

Gasket set 1

622/208

NI

1

4/035

Cable adjuster 1/2

4/035

1

2

5/077

Cable adjuster lock nut 2

5/077

2

3

622/086

Screw 4

622/086

3

4

6/132

Cable ferrule for use with mid-cable adjuster 1/2

6/132

4

5

622/097U

Mixing chamber top for adjuster and ferrule 1

928/097U

5

6

622/064

Standard Carb top 1

928/064

6

7

622/131

Throttle spring 1

622/131

7

8

622/129

Choke spring 1

622/129

8

9

622/063

Throttle needle 2 stroke 1

928/063

9

9

622/124

Throttle needle 4stroke 1

622/124

9

10

622/062

Choke slide 1

928/062

10

11

622/060/2

Throttle slide #2 1

622/060/2

11

11

622/060/2.5

Throttle slide #2.5 1

622/060/2.5

11

11

622/060/3

Throttle slide #3 1

622/060/3

11

11

622/060/35

Throttle slide #3.5 1

622/060/35

11

11

622/060/4

Throttle slide #4 1

622/060/4

11

12

Base carburetter body 1

12

13

376/066

Bell mouth, short alloy 1

928/066

13

14

124/026/20

Pilot jet #20 1

124/026/20

14

14

124/026/25

Pilot jet #25 1

124/026/25

14

14

124/026/30

Pilot jet 1

124/026/30

14

15

622/079/105

2 Stroke Needle Jet #105 1

622/079/105

15

15

622/079/106

2 Stroke Needle Jet #106 1

622/079/106

15

15

622/079/107

2 Stroke Needle Jet #107 1

622/079/107

15

15

622/079/108

2 Stroke Needle Jet #108 1

622/079/108

15

15

622/079/109

2 Stroke Needle Jet #109 1

622/079/109

15

15

622/122/105

Needle jet 4 stroke 105 1

622/122/105

15

15

622/122/106

Needle jet 4 stroke 106 1

622/122/106

15

15

622/122/107

Needle jet 4 stroke 107 1

622/122/107

15

15

622/122/108

Needle jet 4 stroke 108 1

622/122/108

15

15

622/122/109

Needle jet 4 stroke 109 1

622/122/109

15

16

622/128

Jet holder 1

622/128

16

17

Main jet 1

17

18

622/197

Float needle 1

622/197

18

19

622/069

Float 1

622/069

19

20

622/073

Gasket, float chamber 1

622/073

20

21

622/055

Float bowl .1 seat 1

622/055

21

22

376/093

Petrol filter 1

376/093

22

23

376/097M

Banjo union, single, push 1

376/097M

23

23

376/139

Double 150 degree banjo 1

376/139

23

23

376/410

Double banjo 55deg 1

376/410

23

23

376/419

180 banjo, push on 1

376/419

23

23

14/175

Float bowl gland nut washer 1

14/175

23

24

622/078

Banjo bolt 1

622/078

24

13/163

Banjo bolt washer 1

13/163

25

622/071

Float spindle, 1

622/071

25

26

622/077

Throttle stop screw 1

622/077

26

27

622/076

Mixture screw 1

622/076

27

28

622/082

O ring for adjusting screws 1

622/082

28

29

622/067

Needle clip 1

622/067

29

30

622/098

Top Cap 1

622/098

30

31

4/137A

Blanking plug 1

4/137A

31

32

622/101

O ring, flange sealing 1

622/101

32

33

622/134

Choke guide tube 1

928/103

33

34

622/151

Washer for plug 1

622/151

34

35

622/147

Drain plug 1

622/147

35

36

622/074

Spray tube 1

622/074

36

37

622/075

Spray tube 1

622/075

37

38

Spray tube

928/107

38

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