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Idle Jet DELL`ORTO 55

for SHB 16.16F/16.12N/19.19E

On the SHB carburettors, the choice of the idle jet primarily affects the lower and middle rev range. If the scooter runs noisily on idling mix this can be eliminated through the selection of an appropriate idle jet. The idle jets are available in a short and a long version depending on the model of carburettor. We stock short jets in sizes 30 to 60 and long jets in sizes 40 to 60 both of which are from DELL'ORTO. In contrast to the SI carburettors the following applies in this context: The lower the grade number, the leaner the mix provided by the jet.

The size of the jets increases on the basis of one, three and five stages. Simply attach the corresponding size to part no 3360 and/or 3370.

Conclusion: Important components for carburettor tuning in the part load range!


SIP-TIP: To ensure you have all the necessary gaskets to hand when working on the carburettor, order the carburettor gasket (e.g. part no 920670 SHB 16) at the same time.


SIP community user Schmeiser on part no 33704000: "Top! Absolutely perfect, just as expected."

OEM Numbers (for the purpose of comparison)  B08022.055 (MALOSSI), 0802255 02 (DELLORTO)

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This article can be found in the following exploded drawings ... go Go to Exploded Drawings!
24209400 $6.75
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Product forums
icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA PK 50 SS / Elestart 50 V5S1T 2T AC `83-`86 (A)
VESPA PK 50 XL / Elestart 50 V5X3T 2T AC `85-`90
VESPA PK 50 XL FL 50 V5N1T 2T AC `90- 3--hole
VESPA PK 50 XL HP 50 V5N2T 2T AC `91-`91 3--hole
VESPA PK 50 XL2 / Elestart 50 V5X3T 2T AC `90- 3--hole
VESPA PK 80 S / Elestart 80 V8X5T 2T AC `82-`86
VESPA PK 80 S Lusso / Elestart 80 V8X5T 2T AC `85-`88
VESPA PK100 S / Elestart 100 V9X1T 2T AC `82-`84
VESPA PK125 125 VMX1T 2T AC `82-`85
VESPA PK125 S / Elestart 125 VMX5T 2T AC `82-`84

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