Carburetters - single hif 1990-94

Carburetter Assemblies
For the short period (1990-91) before it was equipped with fuel injection, the 1275cc Mini Cooper engine sported a single HIF 44 (44mm diameter) carburetter, easily identifiable from an HS4 carburetter by its integral float chamber housed in the bottom of the carburetter body casting. When the Mini Mayfair and Sprite (nee City) exchanged their 998cc engines for 'standard performance' 1275cc versions in 1992, they too received an HIF type carburetter - albeit slightly smaller, the HIF 38 (38mm diameter). They retained this carburetter installation until 1994 when, like the Cooper had been three years before, they were equipped with fuel injection.

Identification of your HIF carburetter is absolutely necessary before ordering parts. It should be a simple matter of looking at the aluminium tag attached to one of the suction chamber 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.

1275cc Cooper Carburetter Assembly
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
1	FZX1531	CARBURETTER ASSEMBLY, HIF 44	1	1990-91.

1275cc Mayfair and Sprite Carburetter Assemblies
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
	MAC10031	CARBURETTER ASSEMBLY, HIF 38	1	1992-94; manual gearbox.
	MAC10032	CARBURETTER ASSEMBLY, HIF 38	1	1992-94; automatic gearbox.

New Replacement Carburetter Assembly
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
	FZX3005	CARBURETTER ASSEMBLY, HIF44	1

Gasket, Service, Rebuild and Sundries Kits
A gasket kit includes manifold gasket, air filter gasket, float spindle washer, float lid seal, throttle and starter spindle seals, O rings and lock tabs, plus adjusting screw seals.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
2	WZX1505	GASKET KIT, HIF carburetter	1	For all carburetters.

A service kit includes the gasket kit, plus needle and seat and jet assembly.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
3	CSK75	SERVICE KIT, HIF 44 carburetter	1	For FZX1531 carburetters.
	CSK94	SERVICE KIT, HIF 38 carburetter	1	For MAC10031 and MAC10032 carburetters.

A rebuild kit includes the service kit, plus throttle spindle, throttle disc and throttle disc screws.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
4	CRK167	REBUILD KIT, HIF 44 carburetter	1	For FZX1531 carburetters.
	CRK274	REBUILD KIT, HIF 38 carburetter	1	For MAC10031 and MAC10032 carburetters.

A sundries kit includes suction chamber screws, float lid screws and washers, stop screw and spring, float spindle and throttle spindle nuts.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
5	CSK004	SUNDRIES KIT, HIF type carburetter	1

Components
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
6	LZX1521	SUCTION CHAMBER ASSEMBLY	1	For FZX1531 carburetters.
	LZX1523	SUCTION CHAMBER ASSEMBLY	1	For MAC10031 and MAC10032 carburetters.
7	AUD4252	SCREW, locking needle	1	For FZX1531 carburetters; included in suction chamber assembly.
	AUD4251	SCREW, locking needle	1	For MAC10031 and MAC10032 carburetters; included in suction chamber assembly.
8	JZX1394	SCREW, chamber to body	3
9	JZX1665	TAG, carburetter identification	1
JZX1665 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
10	LZX2085	DAMPER, suction chamber	1	For FZX1531 carburetters.
	LZX1511	DAMPER, suction chamber	1	For MAC10031 and MAC10032 carburetters.
11	JZX1586	CIRCLIP, damper	1
12	AUD4355	SPRING, piston, red	1
13	WZX1120	PISTON GUIDE KEY KIT	1	For FZX1531 carburetters.
14	AUC2054	KEY, piston guide	1	For FZX1531 carburetters; included in piston guide key kit.
	AUD4454	KEY, piston guide	1	For MAC10031 and MAC10032 carburetters.
15	AUC2099	SCREW, piston guide key	1	For all carburetters; included in piston guide key kit.
16	WZX1255	MIXTURE SCREW KIT	1
17	AUD3585	SCREW, mixture	1	Included in mixture screw kit.
18	AUD3586	SEAL, mixture screw	1	Included in mixture screw kit.
19	WZX1256	IDLE ADJUSTING SCREW KIT	1
20	JZX1180	SCREW, idle adjusting	1	Included in idle adjusting screw kit.
21	AUD3586	SEAL, idle adjusting screw	1	Included in idle adjusting screw kit.
22	NZX8071	NEEDLE, jet, biased (BFY)	1	For FZX1531 carburetters.
	NZX4036	NEEDLE, jet, biased (AEM)	1	For MAC10031 and MAC10032 carburetters.
23	WZX1276	NEEDLE GUIDE KIT	1
24	JZX1039	GUIDE, needle	1	Included in needle guide kit.
25	AUD3306	SPRING, needle	1	Included in needle guide kit.
26	WZX1453	JET ASSEMBLY	1	For FZX1531 carburetters.
	WZX2100	JET ASSEMBLY (your WZX1455A??)	1	For MAC10031 and MAC10032 carburetters.
27	WZX1441	JET BEARING KIT	1
28	AUD4500	BEARING, jet	1	Included in jet bearing kit.
29	AUD3569	NUT, jet locking	1	Included in jet bearing kit.
30	WZX1257	BI-METAL ASSEMBLY KIT	1
31	CUD2399	BI-METAL ASSEMBLY	1	Included in bi-metal assembly kit.
32	AUD3583	SPRING, bi-metal assembly	1	Included in bi-metal assembly kit.
33	AUD3584	SCREW, bi-metal assembly	1	Included in bi-metal assembly kit.
34	JZX1005	FLOAT LID	1
35	WZX1509	FLOAT KIT	1	Includes float lid seal, float spindle washer, manifold and air filter gaskets.
36	WZX1258	FLOAT SPINDLE KIT	1
37	CUD2082	SPINDLE, float	1	Included in float spindle kit.
38	AUC4127	WASHER, float spindle	1	Included in float spindle kit.
39	WZX1099	NEEDLE AND SEAT ASS'Y	1	Includes float lid seal.
40	AUD3588	SEAL, float lid	1
41	WZX1268	FLOAT LID SCREW KIT	1
42	AUD3590	SCREW, float lid attachment	4	Included in float lid screw kit.
43	AUC2246	WASHER, locking	4	Included in float lid screw kit.
44	WZX1128	THROTTLE SPINDLE KIT	1	For FZX1531 carburetters.
	WZX1264	THROTTLE SPINDLE KIT	1	For MAC10031 and MAC10032 carburetters.
A throttle spindle kit includes lock tabs, disc screws, manifold and air filter gaskets.

Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
45	AUD3080	BUSH, throttle spindle	2
Note that the throttle spindle bosses on the carburetter body must be reamed to 9.5mm diameter before fitting bushes.

Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
46	WZX1414	THROTTLE DISC KIT	1	For FZX1531 carburetters.
	WZX1387	THROTTLE DISC KIT	1	For MAC10031 and MAC10032 carburetters.
A throttle disc kit includes throttle disc, throttle disc screws, manifold and air filter gaskets.

Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
47	AUC1358	SCREW, throttle disc to spindle	2
48	JZX1994	SEAL, throttle spindle	2
49	WZX1269	FAST IDLE SCREW KIT	1
50	JZX1846	SCREW, fast idle	1	Included in fast idle screw kit.
51	AUD4771	CLIP, fast idle screw	1	Included in fast idle screw kit.
52	AUD4099	SCREW, clamping cable to throttle lever	1
53	AJD8104Z	NUT, throttle spindle	2
54	AUD3323	LOCK TAB, throttle spindle	2
55	CUD2791	SPINDLE, starter	1
56	AUD3602	O RING, starter spindle, inner	1
57	JZX1991	O RING, starter spindle, outer	1
58	AUD3577	SEAL, starter spindle	1
59	AUD3606	SCREW, starter body to carburetter body	2
60	AUD4417	SPRING, starter return	1
61	AUD4217	SUPPORT, starter return spring	1
62	AJD8104Z	NUT, starter spindle	2
63	AUD3323	LOCK TAB, starter spindle	2
64	12H4271	GASKET, air filter	1	For FZX1531 carburetters.
	AUD4705	GASKET, air filter	1	For MAC10031 and MAC10032 carburetters.
65	GUG705561	GASKET, carburetter to abutment plate	1
66	FNZ205	NUT, carburetter to manifold	4
67	PWZ105	WASHER, plain	4

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Carburetters - single hif 1990-94

NEEDLE VALVE & SEAT KIT- HIF CARBS.(NOT TURBO)

USE: NT605041

JET ASSY.-HIF38 CARBURETTERS

FLOAT KIT-HIF CARBURETTERS

GASKET KIT-HIF CARBURETTERS

JET ASSEMBLY KIT - HIF44 CARB

JET BEARING KIT-HIF CARBURETTERS

THROTTLE DISC KIT-HIF44 CARBURETTERS

THROTTLE DISC KIT-HIF38 CARBURETTERS

NEEDLE GUIDE KIT-BIASED NEEDLE-HS & HIF CARBURETTERS

FAST IDLE SCREW KIT-HIF CARBURETTERS

FLOAT LID SCREW KIT-HIF CARBURETTERS

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