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 set1

622/208

NI

1

4/035

Cable adjuster1/2

4/035

1

2

5/077

Cable adjuster lock nut2

5/077

2

3

622/086

Screw4

622/086

3

4

6/132

Cable ferrule for use with mid-cable adjuster1/2

6/132

4

5

622/097U

Mixing chamber top for adjuster and ferrule1

928/097U

5

6

622/064

Standard Carb top1

928/064

6

7

622/131

Throttle spring1

622/131

7

8

622/129

Choke spring1

622/129

8

9

622/063

Throttle needle 2 stroke1

928/063

9

9

622/124

Throttle needle 4stroke1

622/124

9

10

622/062

Choke slide1

928/062

10

11

622/060/2

Throttle slide #21

622/060/2

11

11

622/060/2.5

Throttle slide #2.51

622/060/2.5

11

11

622/060/3

Throttle slide #31

622/060/3

11

11

622/060/35

Throttle slide #3.51

622/060/35

11

11

622/060/4

Throttle slide #41

622/060/4

11

12

Base carburetter body1

12

13

376/066

Bell mouth, short alloy1

928/066

13

14

124/026/20

Pilot jet #201

124/026/20

14

14

124/026/25

Pilot jet #251

124/026/25

14

14

124/026/30

Pilot jet1

124/026/30

14

15

622/079/105

2 Stroke Needle Jet #1051

622/079/105

15

15

622/079/106

2 Stroke Needle Jet #1061

622/079/106

15

15

622/079/107

2 Stroke Needle Jet #1071

622/079/107

15

15

622/079/108

2 Stroke Needle Jet #1081

622/079/108

15

15

622/079/109

2 Stroke Needle Jet #1091

622/079/109

15

15

622/122/105

Needle jet 4 stroke 1051

622/122/105

15

15

622/122/106

Needle jet 4 stroke 1061

622/122/106

15

15

622/122/107

Needle jet 4 stroke 1071

622/122/107

15

15

622/122/108

Needle jet 4 stroke 1081

622/122/108

15

15

622/122/109

Needle jet 4 stroke 1091

622/122/109

15

16

622/128

Jet holder1

622/128

16

17

Main jet1

17

18

622/197

Float needle1

622/197

18

19

622/069

Float1

622/069

19

20

622/073

Gasket, float chamber1

622/073

20

21

622/055

Float bowl .1 seat1

622/055

21

22

376/093

Petrol filter1

376/093

22

23

376/097M

Banjo union, single, push1

376/097M

23

23

376/139

Double 150 degree banjo1

376/139

23

23

376/410

Double banjo 55deg1

376/410

23

23

376/419

180 banjo, push on1

376/419

23

23

14/175

Float bowl gland nut washer1

14/175

23

24

622/078

Banjo bolt1

622/078

24

13/163

Banjo bolt washer1

13/163

25

622/071

Float spindle,1

622/071

25

26

622/077

Throttle stop screw1

622/077

26

27

622/076

Mixture screw1

622/076

27

28

622/082

O ring for adjusting screws1

622/082

28

29

622/067

Needle clip1

622/067

29

30

622/098

Top Cap1

622/098

30

31

4/137A

Blanking plug1

4/137A

31

32

622/101

O ring, flange sealing1

622/101

32

33

622/134

Choke guide tube1

928/103

33

34

622/151

Washer for plug1

622/151

34

35

622/147

Drain plug1

622/147

35

36

622/074

Spray tube1

622/074

36

37

622/075

Spray tube1

622/075

37

38

Spray tube

928/107

38

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