Carburettor DELL`ORTO/SPACO by
DRT SI 24/24 E for Vespa 125
without oil pump, float
chamber cap and carburetto
modified by DRT for
FOR RACE USE ONLY
For the DRT carburettors, original DELL'ORTO carburettors are converted by Denis Innocente. The "T7" version is fitted with a bigger valve in the float chamber cover and a float needle with a diameter of 5.2mm. In addition, the supply hole in the carburettor is drilled out from 1.5mm to 1.8mm (PX177) or 2.0mm (PX200). These modifications solve the problem of pinking/knocking under full load which in the worst case scenario will result in a piston seizure.
The carburettors are available without separate oil injection and in two versions. For all high performance largeframes with 177cc and for >208cc, etc. tuning setups. The jets should be adjusted accordingly at the same time.
Conclusion: A great upgrade for everyone who wants to make their performance optimised largeframe more solid at full throttle.
SIP-TIP: The optimum upgrade in combination with the Pro series float chamber spacer (part no 92260000) and the POLINI Venturi intake funnel (part no 20301520).
SIP community user 'Vergaser72' on part no 400000T5: "Very well designed. Works well!"
OEM Numbers (for the purpose of comparison)
T7: 400000 + 400906 + 1282954/1283254 (DRT)
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