Carburetters - single hs2 1959-74

Carburetter Assemblies
The single HS2 (1 1/4" diameter) carburetter installation was fitted to 848cc and 998cc manual gearbox Minis between 1959 and 1974. Identification of your HS2 is absolutely necessary before ordering parts. It should be a simple matter of looking at the aluminium tag attached to one of the float chamber lid screws; the number stamped on the tag should correspond to one of the carburetter part numbers listed here. Failing that, if the tag is missing, a study of the applications below will help. Reconditioned and in some instances new carburetters are available; please contact us for details.

The carburetters listed here fall into two distinct types: those with fixed metering needles (earlier versions) and those with 'swing' or biased needles which became prevalent during the early 1970s as emissions regulations took force.

848cc Carburetter Assemblies
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
1	AUC912	CARBURETTER ASS'Y, HS2, fixed needle type	1	1959-61; Mk I, manual.
	AUC976	CARBURETTER ASS'Y, HS2, fixed needle type	1	1961-67; Mk I, manual (also Riley and Wolseley, 1961-63).
	AUD299	CARBURETTER ASS'Y, HS2, fixed needle type	1	1967-69; Mk II, manual.
	AUD359	CARBURETTER ASS'Y, HS2, fixed needle type	1	1969-73; Mk III, manual.
	AUD449	CARBURETTER ASS'Y, HS2, biased needle type	1	1973-74; Mk III, manual (also some export models 1971-74).
	AUD587	CARBURETTER ASS'Y, HS2, biased needle type	1	1972-74; Van (optional fitment).

998cc Carburetter Assemblies
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
	AUD86	CARBURETTER ASS'Y, HS2, fixed needle type	1	1967-68; Mk II, manual (also Riley and Wolseley, 1963-68).
	AUD298	CARBURETTER ASS'Y, HS2, fixed needle type	1	1968-69; Mk II, manual (also Riley and Wolseley, 1968-69).
	AUD363	CARBURETTER ASS'Y, HS2, fixed needle type	1	1969-73; Mk III and Clubman, manual.
	AUD509	CARBURETTER ASS'Y, HS2, biased needle type	1	1973-74; Mk III and Clubman, manual (also some export models
				1971-74).

Gasket, Service, Rebuild and Sundries Kits
A gasket kit includes manifold gasket, air filter gasket, suction chamber damper washer, float lid gasket and jet union washer and seal.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
2	AUE810	GASKET KIT, HS2 carburetter	1

A service kit includes the gasket kit, plus float chamber needle and seat, jet assembly and clips for the jet pick up link.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
3	CSK51	SERVICE KIT, HS2 carburetter	1

A rebuild kit includes the service kit, plus throttle spindle, throttle spindle bushes, throttle disc and throttle disc screws.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
4	CRK104	REBUILD KIT, HS2 carburetter	1

A sundries kit includes choke cam pivot bolt and tubes, suction chamber screws, float lid screws and washers, stop screws and springs, jet nut, jet spring and washer, spindle lock tab and float pivot pin.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
5	CSK003	SUNDRIES KIT, HS type carburetter	1

Components
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
6	AUD9180	SUCTION CHAMBER ASSEMBLY	1	For AUC912, AUC976 and AUD86 fixed needle carburetters.
	AUD9633	SUCTION CHAMBER ASSEMBLY	1	For AUD298, AUD299, AUD359 and AUD363 fixed needle carburetters.
	CUD2800	SUCTION CHAMBER ASSEMBLY	1	For biased needle carburetters.
7	AUC2057	SCREW, locking needle	1	Included in fixed needle suction chamber assembly.
	AUD4251	SCREW, locking needle	1	Included in biased needle suction chamber assembly.
8	JZX1394	SCREW, chamber to body	2
9	AUC8103	DAMPER, suction chamber	1
10	AUC4900	WASHER, fibre, damper	1
11	AUC4387	SPRING, piston, red	1
12	WZX1120	PISTON GUIDE KEY KIT	1
13	AUC2054	KEY, piston guide	1	Included in piston guide key kit.
14	AUC2099	SCREW, piston guide key	1	Included in piston guide key kit.
15	AUC8464	PIN, piston lift	1
16	AUC1151	SPRING, piston lift pin	1
17	AUD4150	CIRCLIP, piston lift pin	2
18	AUD1149	NEEDLE, jet, fixed, standard (EB)	1	For AUC912, AUC976, AUD299 and AUD359 carburetters.
	AUD1211	NEEDLE, jet, fixed, weak (GG)	1	For AUC912, AUC976, AUD299 and AUD359 carburetters.
	AUD1261	NEEDLE, jet, fixed, rich (M)	1	For AUC912, AUC976, AUD299 and AUD359 carburetters.
	AUD1227	NEEDLE, jet, fixed, standard (GX)	1	For AUD86, AUD298 and AUD363 carburetters.
	AUD1211	NEEDLE, jet, fixed, weak (GG)	1	For AUD86, AUD298 and AUD363 carburetters.
	AUD1261	NEEDLE, jet, fixed, rich (M)	1	For AUD86, AUD298 and AUD363 carburetters.
	CUD1019	NEEDLE, jet, biased, (AAV)	1	For AUD449, AUD509 and AUD587 carburetters.
19	WZX1276	NEEDLE GUIDE KIT	1	For biased needle carburetters.
20	JZX1039	GUIDE, needle	1	Included in needle guide kit.
21	AUD3306	SPRING, needle	1	Included in needle guide kit.
22	AUD9098	JET ASSEMBLY	1	Black coloured jet body with white identification sleeve.
23	AUD2129	NUT, jet union	1	Included in jet assembly.
24	AUD2193	WASHER, jet union	1	Included in jet assembly.
25	AUD2194	SEAL, jet union	1	Included in jet assembly.
26	WZX1341	JET BEARING KIT	1	For fixed needle carburetters.
	WZX1340	JET BEARING KIT	1	For biased needle carburetters.
27	AUC8460	BEARING, jet	1	Included in WZX1341 jet bearing kit.
	AUD3414	BEARING, jet	1	Included in WZX1340 jet bearing kit.
28	AUC2002	NUT, jet locking	1	Included in jet bearing kit.
29	AUC2114	SPRING, jet locking	1	Included in jet bearing kit.
30	AUC8461	NUT, jet adjusting	1	Included in jet bearing kit.
31	AUC1390	FLOAT CHAMBER, LH mounting	1
32	AUC8476	BOLT, float chamber attachment	1
33	AUE272	FLOAT CHAMBER LID ASS'Y	1	Includes float, needle and seat and float lid gasket.
34	WZX1300	FLOAT KIT	1	Includes float lid gasket.
35	AUC1152	PIN, float hinge	1
36	WZX1100	NEEDLE AND SEAT ASS'Y, float chamber	1	Includes float lid gasket.
37	AUC8459	GASKET, float lid	1
38	AUC1215	PLATE, baffle	1
39	WZX1287	FLOAT LID SCREW KIT	1
40	JZX1394	SCREW, float lid attachment	3	Included in float lid screw kit.
41	AUC2246	WASHER, locking	3	Included in float lid screw kit.
42	AUC1038	TAG, carburetter identification	1
AUC1038 is a blank tag; when ordering, please state the carburetter assembly number you require stamped on the tag.

Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
43	WZX1310	THROTTLE SPINDLE KIT	1	Includes lock tab, disc screws, manifold and air filter gaskets.
44	AUD3079	BUSH, throttle spindle	2
Note that the throttle spindle bosses on the carburetter body must be reamed to 8.0mm diameter before fitting bushes.

Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
45	WZX1320	THROTTLE DISC KIT	1	Includes disc screws, manifold and air filter gaskets.
46	AUC1358	SCREW, throttle disc to spindle	2
47	AUC1145	LEVER, throttle return	1
48	WZX981	THROTTLE STOP SCREW KIT	1
49	AUC8483	SCREW, throttle return lever stop	1	Included in throttle stop screw kit.
50	AUC2451	SPRING, stop screw	1	Included in throttle stop screw kit.
51	AJD8104Z	NUT, throttle spindle	1
52	AUC1206	LOCK TAB, throttle spindle	1
53	WZX981	IDLE ADJUSTING SCREW KIT	1
54	AUC8483	SCREW, idle adjusting	1	Included in idle adjusting screw kit.
55	AUC2451	SPRING, idle adjusting screw	1	Included in idle adjusting screw kit.
56	AUC1136	CHOKE CAM LEVER	1	For AUC912, AUC976 and AUD86 carburetters.
57	AUC8456	CHOKE CAM LEVER	1	For AUD298 and AUD299 carburetters.
58	AUD3287	CHOKE CAM LEVER	1	For AUD359, AUD363, AUD449, AUD509 and AUD587 carburetters.
59	WZX1336	CHOKE RETURN SPRING KIT	1
60	AUD2431	SPRING, cam lever	1	Included in choke return spring kit.
61	AUC8462	SPRING, pick up lever	1	Included in choke return spring kit.
62	AUC8400	BOLT, pivot	1	For AUC912, AUC976, AUD86, AUD298 and AUD299 carburetters.
63	AUC8473	TUBE, pivot bolt	1	For AUC912, AUC976, AUD86, AUD298 and AUD299 carburetters.
64	AUC8474	WASHER, double coil	1	For AUC912, AUC976, AUD86, AUD298 and AUD299 carburetters.
65	AUC5032	WASHER, cam lever	1	For AUC912, AUC976, AUD86, AUD298 and AUD299 carburetters.
66	AUC8400	BOLT, pivot	1	For AUD359, AUD363, AUD449, AUD509 and AUD587 carburetters.
67	AUC8473	TUBE, pivot bolt, inner	1	For AUD359, AUD363, AUD449, AUD509 and AUD587 carburetters.
68	AUD2430	TUBE, pivot bolt, outer	1	For AUD359, AUD363, AUD449, AUD509 and AUD587 carburetters.
69	AUD2433	WASHER, distance	1	For AUD359, AUD363, AUD449, AUD509 and AUD587 carburetters.
70	AUC8213	LEVER AND LINK, pick up	1	For AUC912 carburetter.
71	AUC8477	WASHER, plain	2	For AUC8213 lever and link.
72	CPS204	PIN, split, link to jet	1	For AUC8213 lever and link.
73	AUD9004	LEVER AND LINK, pick up	1	For AUC976, AUD86, AUD298 and AUD299 carburetters.
74	CUD2686	LEVER AND LINK, pick up	1	For AUD359, AUD363, AUD449, AUD509 and AUD587 carburetters.
75	PJZ604	SCREW, link to jet	1	For AUD9004 and CUD2686 lever and link.
76	AUC5002	WASHER, starlock, lever to link	1
77	12H862	GASKET, air filter	1
78	1G624	GASKET, manifold and insulator	3
79	FNZ206	NUT, carburetter to manifold	2
80	PWZ106	WASHER, plain	2

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Carburetters - single hs2 1959-74

STAMPED HS CARBURETTER TAG. State number when ordering

CARBURETTER-HS2-BIASED NEEDLE-850cc-'72-'74-VAN

THROTTLE STOP & IDLE SCREW KIT-HS CARBURETTERS

JET BEARING KIT-FIXED NEEDLE HS CARBURETTERS

USE: WZX1442

SPRING KIT-CHOKE RETURN.HS CARBS-RH

THOTTLE DISC KIT-HS2 CARBURETTERS

THROTTLE SPINDLE KIT-HS2 CARBURETTERS

FLOAT KIT-'STAY UP' ALL HS CARBURETTERS

FLOAT LID SCREW KIT-HS CARBURETTERS

NEEDLE GUIDE KIT-BIASED NEEDLE-HS & HIF CARBURETTERS

PISTON GUIDE KEY SET-HS & HIF44 CARBURETTERS

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