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WebshopVespa PX/T...Spare Part...Carburetto...Idle Jet SI DELL`ORTO 42/140
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Idle Jet SI DELL`ORTO 42/140

(3,33)
for SI 20.15 - 26.26D/H/E

On the SI carburettors, the choice of the idle jet primarily affects the lower and middle rev range. Each of the jets are marked with two numbers, the relationship between which states the actual jet size. E.g. 50/120 ? 2,4. In general, the following applies: The smaller the value the thicker the jet. And/or the bigger the calculated ratio of the idle jet, the leaner the scooter will run with moderate revs. This is important when undertaking long tours when it is necessary to drive in the difficult half throttle range for long periods.

Our range includes several DELL'ORTO idle jets from 55/100 (1.82) to 42/160 (3.81). It isn't worth penny pinching and using reproductions. Anyone who has tuned a carburettor before and wasn't able to rely on the regular sizes will know what we are talking about.

Conclusion: Seizing at half throttle? It would never have happened with the right idle jet!

 

SIP-TIP: The best idea is to order the carburettor cleaner (part no 550340) and gasket set (part no 920600) for the carburettor conversion.

 

SIP community user 'miro76' on part no 40264214: "Good quality!" On my Vespa PX Tuning Pinasco 177, the long stroke crankshaft and geometric compression of 10.6 were too lean. I got a 2.8 ND and the thing now goes like the clappers."

 

SIP community user 'S.Polaniok' on part no 40265510: "First class. superb product!"


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divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
LML Star 125 2T/ DLX / Via Toscana / Deluxe 125 2T AC
LML Star 150 2T / DLX / Via Toscana / Star / Stella / Belladonna RV 150 2T AC
  VESPA
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 125 TS 125 VNL3T 2T AC `75-`78
VESPA 150 Sprint Veloce 150 VLB1T 2T AC `69-`79
VESPA 180 Rally 180 VSD1T 2T AC `68-`73
VESPA 200 Rally 200 VSE1T 2T AC `72-`79
VESPA COSA 1 150 VLR1T 2T AC `87-`90
VESPA COSA 1 200 VSR1T 2T AC `88-`91
VESPA COSA 1 125 VNR1T 2T AC `88-`91
VESPA COSA 2 150 VLR2T 2T AC `91-
VESPA COSA 2 125 VNR2T 2T AC `91-
VESPA COSA 2 200 VSR1T 2T AC `90-`96
VESPA P125X 125 VNX1T 2T AC `77-`82
VESPA P150 S 150 VBX1T 2T AC `78-`90
VESPA P150X / PX150 E 150 VLX1T 2T AC `78-`85
VESPA P200E / PX200 E 200 VSX1T 2T AC `77-`86
VESPA P80 / P80 E (Frankreich) 80 V8A1T 2T AC `80-`84
VESPA P80X/PX80 E 80 V8X1T 2T AC `81-`83
VESPA PX 80 E Lusso/ EFL/ Arcobaleno / Elestart 80 V8X1T 2T AC `83-`90
VESPA PX100 E 100 VIX1T 2T AC `83-`84
VESPA PX125 2011/ 30 Jahre 125 ZAPM74100 2T AC `11-
VESPA PX125 CAT 125 ZAPM50100 2T AC `07-
VESPA PX125 E 125 VNX2T 2T AC `81-`83
VESPA PX125 E `98 / Millenium 125 VNX1T 2T AC `98-`05
VESPA PX125 E Lusso/EFL/Arcobaleno / Elestart 125 VNX2T 2T AC `83-`97
VESPA PX150 2011 150 ZAPM74200 2T AC `11-
VESPA PX150 E `98 / Millenium 150 VLX1T 2T AC `98
VESPA PX150 E Lusso/EFL/Arcobaleno / Elestart 150 VLX1T 2T AC `83-`97
VESPA PX200 E `98 / Millenium 200 VSX1T 2T AC `98-
VESPA PX200 E Lusso/ EFL/ Arcobaleno / Elestart 200 VSX1T 2T AC `83-`97

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