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Jet SI Push In Dellorto (SI 20.15-17 A-D/20.20 -26.26E/G/H/27.23 - Main Jet) (Choose a size) (Vespa)

Jet SI Push In Dellorto (SI 20.15-17 A-D/20.20 -26.26E/G/H/27.23 - Main Jet) (Choose a size) (Vespa)

£4.50 including VAT
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excluding VAT: £3.75
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Product Code: CVJETSID
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* Push In Jet Size:

In the SI carburettor, the main jet is located in the jet block under the mixer tube and main air correction jet. It is responsible for making a certain amount of petrol available for premixing. With all tuning measures, no matter how small, it is necessary for the main jets to be raised, as they mainly impact on the middle and upper rev range. Their effect is linked very closely with the other components of the middle SI jet block and for comprehensive tuning, it is necessary for all of the components involved to be adjusted accordingly.
In recent times DELLORTO have regrettably been unable to deliver some of the more important jet sizes for their carburettors. The quality of certain after-market reproduction jets is unacceptable for us at SIP. For these reasons we have teamed up with the people at KOSO to have our own jets produced, complete with the SIP logo!
While the sizes of the DELLORTO jets can vary up to +/- 0.05mm from the given value, the SIP jets are much more precisely produced with their sizes only varying by +/- 0.005mm.
Those who've tuned carburettors and found the actual jet size does not correspond to the number engraved on the side, know what we're talking about. If 105 is written on it, then there'd better be 105 in it! Anything else is a cheap trick.
The size of the jets increases on the basis of one, two and three stages. The jets get increasingly richer. Simply attach the corresponding size to part no 4026. The jets from 142 upwards are redesigned specially under the SIP PERFORMANCE logo as DELL'ORTO is only able to supply jet up to 140.
The SI 105-128 and 130-140 jetting kits each contain 5 and/or 10 jets and are an ideal basic programme for any tuner.
Conclusion: Finest quality, perfect value for money and exact sizes are once more available.

TOP-TIP: For optimum tuning in the middle and upper rev range order a corresponding mixer tube (e.g. BE4 art no. 40406000) at the same time.

Click "Fits" above to view the models this product fits! - If the fits list tab isnt showing you can enquire by clicking here
LML Star 125 2T/ DLX / Via Toscana / Deluxe 125  
LML Star 125 4T / Deluxe 125 4S / Speedy 125  
LML Star 150 2T / DLX / Via Toscana / Star / Stella / Belladonna RV 150  
LML Star 150 4T / Deluxe 150 4S / Speedy / Stella 150  
LML Star 200 4S 200 2012
     
VESPA 125 125 `52-`54
VESPA 125 125 `60-`62
VESPA 125 125 `51-`53
VESPA 125 125 `48-`50
VESPA 125 125 `54-`57
VESPA 125 (T2/125) (D) 125 `59-`65
VESPA 125 GT / 125 Sprint 125 `61-`73
VESPA 125 GTR 125 `68-`78
VESPA 125 S 125 `59-`65
VESPA 125 Super 125 `65-`69
VESPA 125 TS 125 `75-`78
VESPA 150 150 `60-`67
VESPA 150 150 `58-`60
VESPA 150 (T4/150) (D) 150 `59-`65
VESPA 150 GL 150 `62-`64
VESPA 150 Sprint 150 `65-`74
VESPA 150 Sprint Veloce 150 `69-`79
VESPA 150 Super 150 `65-`79
VESPA 180 Rally 180 `68-`73
VESPA 200 Rally 200 `72-`79
VESPA COSA 1 150 `87-`90
VESPA COSA 1 200 `88-`91
VESPA COSA 1 125 `88-`91
VESPA COSA 2 150 `91-
VESPA COSA 2 125 `91-
VESPA COSA 2 200 `90-`96
VESPA P125X 125 `77-`82
VESPA P150 S 150 `78-`90
VESPA P150X / PX150 E 150 `78-`85
VESPA P200E / PX200 E 200 `77-`86
VESPA P80 / P80 E (Frankreich) 80 `80-`84
VESPA P80X/PX80 E 80 `81-`83
VESPA PX 80 E Lusso/ EFL/ Arcobaleno / Elestart 80 `83-`90
VESPA PX100 E 100 `83-`84
VESPA PX125 2011/ 30 Jahre 125 `11-
VESPA PX125 CAT 125 `07-
VESPA PX125 E 125 `81-`83
VESPA PX125 E `98 / Millenium 125 `98-`05
VESPA PX125 E Lusso/EFL/Arcobaleno / Elestart 125 `83-`97
VESPA PX150 2011 150 `11-
VESPA PX150 E `98 / Millenium 150 `98
VESPA PX150 E Lusso/EFL/Arcobaleno / Elestart 150 `83-`97
VESPA PX200 E `98 / Millenium 200 `98-
VESPA PX200 E Lusso/ EFL/ Arcobaleno / Elestart 200 `83-`97
VESPA T5 / Elestart 125 `85-`90
VESPA T5 Classic 125 `92-`95

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