Main nozzle for the SI carburetor, suitable for your Vespa Largeframe scooter. A list of the exact models can be found below in the drop-down menu under «suitable for the following models».
The main throttle determines how much fuel is provided for mixture formation, which is particularly noticeable in the mid and upper rev range. The throttle body is located in the throttle body under the mixing pipe and the main air correction throttle body and should always be properly adjusted together with the other components when making changes to the setup. As a general rule, the larger the number printed on it, the larger the bore and the richer the mixture.
| Vespa | Vespa PX, T5, Cosa - PX80 E Lusso · V8X1T · 1983–1993 Lusso / Arcobaleno , PX100E · VIX1T · India , P125X · VNX1T · 1977–1982 (Old PX) External Lock , P125X · VNX2T · 1981–1984 (Old PX) Internal Lock , PX125 E · VNX2T · 1982–1993 / Lusso / Arcobaleno , PX125 · VNX2T · 1993–1996 Classic , PX125 · VNX2T · 1997–1999 (Disc) , T5 125 · VNX5T · 1985–1993 , PX125 · ZAPM471 · 2001 Model Year Catalytic Converter , P150X · VLX1T · 1978–1993 , P150S · VBX1T · 1978–1990 , PX150 · ZAPM742 · 2001 Model Year Catalytic Converter , P200E · VSX1T · 1977–1984 (Ignition Switch on Steering Head) , PX200 · VSX1T · 1984–1993 Lusso / Arcobaleno , PX200 · VSX1T · 1993–1996 Classic , Cosa 125 · VNR1T · I 1988–1992 II 1992–1998 , PX200 · VSX1T · 1997–1999 (Disc) , Cosa 150 · VLR1T · I 1988–1991 II 1992–1995 , Cosa 200 · VSR1T · I 1988–1992 II 1992–1998 , P80X · V8X1T · old (ignition switch on steering head) Vespa Rally, Sprint, GT, GTR, TS, SS180, GS160 - 125 GTR · VNL2T · 1968–1978 , 125 Sprint · VNL2T · 1965–1974 , 150 Tours/ T4 · VGLA1T · 1959–1963 / Type 202 Augsburg , 150 T4 · VGLA1T · 1959–1963 / Type 332 Augsburg , 150 GL · VLA1T · 1963–1965 , 150 Sprint · VLB1T · 1965–1974 , 150 Sprint Veloce · VLB1T · 1969–1979 , 175 Rally · VRD · 1968–1973 CH , 180 Rally · VSD1T · 1968–1973 , 200 Rally · VSE1T · 1973–1979 , 125 GT · VNL2T · 1966–1973 , 125 TS · VNL3T · 1975–1978 , 150 Tours/ T4 · VGLB1T · 1959–1963 / Type 332 Augsburg Vespa VNA, VNB, VBA, VBB, Super, GT - 125 · VNB1T · 1960 , 125 · VNB2T · 1961 , 125 · VNB3T · 1962 , 125 · VNB4T · 1963 , 125 · VNB6T · 1965 , 125 · VNB5T · 1964 , 125 Popolino · VNS1T – VNS6T · 1959–1965 (Sweden) , 125 T · VNT1T · 1961 Export CH , 150 · VBA1T · 1958–1960 , 125 GT · VNT2 · 1962 (CH-F) , 150 · VBB1T · 1961–1962 , 150 · VBB2T · 1963–1967 , 125 GT · VNL1T · 1963–1964 CH & F , 150 Super · VBC1T · 1965–1979 , 125 Super · VNC1T · 1965–1969 |
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