Model	Year	Dell'Orto Type	Size	Needle	Main Jet	Idle Jet	Slide	Needle position	Needle Jet
60 Sport	1950-51	MA16B	16	D15	70	45	50	2	260B
98N	1952-58	MA16B	16	D12	75	35	40	2	260B
98T	1952-58	MA16B	16	D12	75	35	40	2	260B
98TL	1953-58	MA16B	16	D12	75	35	40	2	260B
98S	1953-58	MA18B	18	D16	82	35	60	2	260B
98 Super Sport	1954-55	MB20B	20	E10	72	35	50	-	-
55E	1955-57	14MFC	Weber	Carb.	60	45	-	-	-
55R	1955-57	14MFC	Weber	Carb.	60	45	-	-	-
55M	1955-57	14MFC	Weber	Carb.	60	45	-	-	-
125T	1956-60	MA18B	18	D12	80	40	50	2	260A
125TV	1956-58	MB20B	20	E10	82	35	50	2	260B
85N	1958-60	ME15BS	15	G4	70	35	50	2	258A
85 Sport	1958-60	ME15BS	6v	G4	70	35	50	2	258A
98TS	1958-60	ME16BS	16	G1	74	35	50	3	258A
175S	1957	MB22.5B	22.5	E14	98	80	40	2	260B
175T	1957	MB22B	22	E12	92	45	80	2	260B
125S	1957	MB20B	20	E9	78	38	70	3	262A
100 Sport	1958-60	MA18B	18	D17	78	35	50	2	260A
125 Sport	1958-65	UB20BS	20	E10	85	35	50	2	260B
125 Sport(opt)	1958-61	SS1 22C	22	R4	92	50	80	3	260
125TS (note 1)	1958	UA20BS	20	E10	85	35	50	2	260B
125TS	1959-65	ME18BS	18	G4	76	38	50	3	258B
175 Americano	1958	MB22B	22	E12	92	45	80	2	260B
175 Sport	1958-61	UB22.5BS2	22.5	E14	98	40	80	2	260B
175 Sport(opt)	1959-61	SS1 25A	25	M14	120	50	100	2	265
175 Tourist	1958-61	MB22B	22	E12	92	45	80	2	260B
175TS	1958-60	MB22B	22	E12	92	45	80	2	260B
200 Elite	1959-65	UBF24BS	24	E10	98	40	70	2	260B
200 Super Sport	1959-62	UBF24BS	25	E10	98	40	70	2	260B
200 Super Sport(opt)	1959-62	SS1 27A	27	M13	108	50	80	3	265
200 Americano	1959	UBF24BS	24	E10	92	40	70	2	260B
200 Motocross	1959-60	SS1 27A	27	M13	105	50	80	3	265
200TS	1960-61	UBF24BS	24	E10	92	40	70	2	260B
200GT	1962	UBF24BS	24	E111	95	40	70	2	260A
250 Monza (narrow case)	1961-67	UBF24BS	24	E11	108	40	70	2	260B
Diana Europe	1961-64	UBF24BS	24	E11	103	35	70	2	260A
Diana USA	1961	UBF24BS	24	E11	108	40	70	2	260B
Diana Mk3 USA	1962-65	SS1 27D	27	M14	120	50	100	2	265
Diana Mk3 USA	1966-67	SS1 29D	29	M14	125	50	60	2	265
250 Mark 3(narrow case)	1967	SS1 29D	29	M14	125	50	60	2	265
250 Scrambler(narrow)	1962-67	SS1 27D	27	M14	112	50	100	3	265
Mach 1	1964-66	SS1 29D	29	M14	122	50	60	2	265
250GT	1964-66	UBF24BS	24	E19	108	40	60	2	260B
250 Monza(wide case)	1968	UBF24BS	24	E11	108	45	80	2	260H
250 Mark 3(wide case)	1968-69	SS1 29D	29	M14	112	45	60	2	260
250 Mark 3(wide case)	1970-74	VHB29AD	29	V13	110	40	40	2	265M
250 Mark 3D	1968-69	SS1 29D	29	M14	115	45	60	2	-
250 Mark 3D	1970-71	VHB29AD	20	V13	110	40	40	2	265M
250 Scrambler(wide)	1968-69	SS1 27D	27	M14	112	50	80	3	265
250 Scrambler(wide)	1970-73	VHB26BD	26	E17	95	45	40	2	260R
250 Desmo	1971-74	VHB29AD	29	V13	110	40	40	2	265M
239 Desmo	1974	PHF30AD	30	K3	125	65	503	2	265AB
239 Mark 3	1974	PHF30AD	30	K3	125	65	503	2	265AB
Monza Junior	1964-67	UB22BS	22	E16	98	42	60	2	260A
Piuma Standard	1961-68	T4 12D1	12	A4	58	-	-	2	1-210
Piuma Sport	1962-66	UAO15S	15	C1	68	45	65	3	260
Piuma De-Luxe	1962-67	T4 12D1	12	A4	58	-	-	2	1-210
Brisk	1961-67	T4 12D1	12	A4	58	-	-	2	1-210
Sport 48	1962-65	UAO15S	15	C1	68	-	45	3	260
180 Standard	1962-63	ME15BS	15	G1	63	40	-	3	258A
Sport 80	1962-63	UA18S	18	C1	92	35	55	3	260
49SL	1964-65	UA15S	15	C1	68	45	65	3	260
100 Cadet (51mm bore)	1964-66	UA18S	18	C2	82	38	50	2	260
100 Cadet (52mm bore)	1967	UBF24BS	24	E2	102	40	70	2	260A
100 Mountaineer (51mm)	1964-66	UA18S	18	C2	82	38	50	2	260
100 Mountaineer (52mm)	1967	UBF24BS	24	E2	102	40	70	2	260A
Brio 48	1963-66	SHA14 12	12	-	52	40	6493/01	-	-
Brio 50	1967-68	SHA14 12	12	-	56	40	6108/01	-	-
Brio 100	1964-68	SHB18 16	16	-	82	40	6493/01	-	-
Brio 100/25	1968	SHB18 16	16	-	88	50	6493/02	-	-
48 Cacciatore	1964-67	UA15S	15	C1	68	45	65	3	260
50SL	1966	UA18BS	18	D10	85	40	55	1	260F
50SL/1	1967-68	UAO18S	18	D10	85	40	55	1	260F
50SL/2	1968-69	UAO18S	18	D10	85	40	55	1	260F
Rolly 50	1968	SHA14 12	12	-	52	40	6493/01	1	-
50 Scrambler	1969-70	UA18BS	18	C8	85	40	50	3	260F
100 Scrambler	1969-70	UBF24BS	24	E2	102	40	70	2	260A
125 Cadet/4	1967	ME18BS	18	G3	85	38	50	2	258A
125 Cadet/4 Motocross	1967	ME18BS	18	G3	85	38	50	2	258A
Sebring(narrow case)	1965-67	UBF24BS	24	E16	108	40	70	2	260A
Sebring(wide case)	1968	UBF24BS	24	E16	108	40	70	2	260A
350 Scrambler	1968-69	SS1 29D	29	M14	125	50	100	2	265
350 Scrambler	1970-74	VHB29AD	29	V13	110	40	40	2	265M
350 Mark 3	1968-69	SS1 29D	29	M14	112	45	60	2	260
350 Mark 3	1970-74	VHB29AD	29	V13	115	40	40	2	265M
350 Mark 3D	1968-69	SS1 29D	29	M14	115	45	60	2	260
350 Mark 3D	1970-71	VHB29AD	29	V13	120	40	40	2	265M
350 Desmo	1971-74	VHB29AD	29	V13	118	40	40	2	265M
450 Scrambler	1969-74	VHB29AD	29	V17	130	50	60	2	265T
450 Mark 3	1969-74	VHB29AD	29	V7	135	50	60	2	260T
450 Mark 3D	1969-71	VHB29AD	29	V8	135	50	60	2	260T
450 Desmo	1971-74	VHB29AD	29	V8	135	50	60	2	260T
450R/T (open pipe)	1971-72	VHB29AD	29	V7	140	50	60	2	265T
450T/S	1971-73	VHB29AD	29	V7	135	50	60	2	265T
450 Mark 3 Tourer	1970-72	VHB29AD	29	V7	130	50	60	2	265T
Regolarita	1975-76	PHB30BS	30	K3	125	65	50/3	2	265AB
Six Days	1977	PHBE32GS	32	K1	140	55	40	2	265AR
125 Scrambler	1971	375/20 amal	20	A1	95	12	373/3	1	105/DA
98 Competizione	1955	SS1 20C	20	R4	88	50	70	3	260
125 Gran Sport	1956	SS1 20C	20	R4	80	45	70	3	260
175 Gran Sport	1957	SS1 22.5C	22.5	R4	98	50	70	3	260
175 Formula 3	1959	SS1 27A	27	M14	108	50	80	3	260
220 Grand Prix	1960	SS1 29A	29	M14	115	50	80	3	260
250 Formula 3 (Manxman)	1961	SS1 29A	29	M14	118	50	100	3	260
250 Mach 1/s	1965	SS1 30A	30	M14	132	50	60