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WebshopVespa Smal...Spare Part...Gear Box -...Gear Cog 50 teeth, 3rd gear,
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Gear Cog 50 teeth, 3rd gear,

DRT "4-gear PK" for Vespa
50 S 3°/Special V5B3T 3°/V5B4T
2°/SR (D)/100 2°/125 PV 2°
/ET3 2°/PK50/S/SS/XL/2/FL
/PK80-125 S/PK125/ETS/N//XL
/XL2,
Ø 104,5 mm, h 9,2 mm, mid
section: 3,9mm, "standard 3rd
gear"

The arrangement of gear cogs on the output shaft combined with the smaller cogs of the primary drive assembly form together the final drive ratio of your motors gearbox setup. If this is not, quite literally, geared to the needs of the other components included in the motor, even the strongest cylinder will not help. You can either be constantly revving the life out of your motor or not have enough momentum available to change up to the gears. A cleverly chosen final drive ratio, often achieved by the replacement of just one gear cog, can work wonders for your acceleration and gear changing process.

 

Most of the small frame model gear box cog ratios were setup individually for each model: for example some models of the VESPA 50S had their own second, third and fourth gear ratios and the PK 50XL models had their very own individual number of teeth on their second gear cog.

 

SIP-TIP: Always install and replace ALL of the smaller primary drive components during each major service. The securing plates on both sides of the primary drive, input shaft holding nut, tab washer and also the input shaft needle bearings should all be replaced for safe and enduring use of your motor. Last but not least do not forget to order fresh gearbox oil, gaskets and all relevant oil seals!

DRT are now also producing a set of their high-end gear cogs in the original factory gear ratios. These quality components are CNC machined from a special steel alloy and then tempered, making them suitable for extreme loads while simultaneously increasing their effective working life. To reduce their overall weight and mass they have metal removed and are very precisely produced. They are first choice parts for both complete engine overhauls and also tuning projects.


OEM Numbers (for the purpose of comparison)  134905 (PIAGGIO), ICs 3° z50 722/stand. (DRT)


Customers also searched for this article with:  gearcog, Gear wheel


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$85.69
Art.No.
40437220
316g / piece
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icon scootermodels This product fits the following models
  VESPA
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 50 S 50 V5SA1T 2T AC `63-`84 69444 ->
VESPA 50 Special 50 V5B3T 2T AC '75-'83 (A) 228069 ->(w/o speed liwith)
VESPA 50 Special 50 V5B3T 2T AC '75-'83 94315 ->
VESPA 50 Special Elestart 50 V5B4T 2T AC '75-'76 1514 ->
VESPA 50 SR / Sprinter 50 V5SS2T 2T AC `71-`79 10380 -> (D)
VESPA 100 (UK) / 100 Sport (US) 100 V9B1T 2T AC `78-`90 50001 ->
VESPA 125 Primavera 125 VMA2T 2T AC `67-`83 0150203 ->
VESPA 125 Primavera ET3 125 VMB1T 2T AC `76-`90 8161 ->
VESPA PK 50 50 V5X1T 2T AC `82-`84
VESPA PK 50 S / Elestart 50 V5X2T 2T AC `82-`84
VESPA PK 50 S Lusso / Elestart 50 V5X2T 2T AC `85-`88
VESPA PK 50 SS / Elestart 50 V5S1T 2T AC `83-`86
VESPA PK 50 XL / Elestart 50 V5X3T 2T AC `85-`90
VESPA PK 50 XL FL 50 V5N1T 2T AC `90-
VESPA PK 50 XL2 / Elestart 50 V5X3T 2T AC `90-
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 4gear
VESPA PK125 125 VMX1T 2T AC `82-`85
VESPA PK125 ETS / Elestart 125 VMS1T 2T AC `84-`85
VESPA PK125 N NUOVO (FL) 125 VMX7T 2T AC `90-`91
VESPA PK125 S / Elestart 125 VMX5T 2T AC `82-`84
VESPA PK125 XL / Elestart 125 VMX6T 2T AC `86-`90
VESPA PK125 XL2 125 VMX6T 2T AC `90-

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