Main Jet - 1.30

The 1.30 size is used as standard for the secondary main jet in Weber 34 DATR carburettors, as fitted to X1/9 European 1500 models. Genuine Weber carburettor parts by WEBCON.

Also applicable to the secondary main jet in original Weber 34 DATR carburettors of Lancia Montecarlo S1 & S2 models.

Main Jets - Standard Size
Carburettor	Primary	Secondary	Model
32 DMTR 22	1.10	1.15	X1/9 European 1300 (up to 1977)
32 DMTR 34/250	1.10	1.15	X1/9 European 1300 (1977 on)
32 DATRA 19/100	1.05	1.05	X1/9 Australian 1300 (1978 on)
34 DATR 7/250 34 DATR 28/250	1.07	1.30	X1/9 European 1500
32 DATRA 9/100	1.10	1.25	Lancia Beta Scorpion
34 DATR 4/200 34 DATR 4/250 34 DATR 4/150	1.20	1.30	Lancia Montecarlo S1 & S2