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WebshopVespa Smal...Spare Part...Gaskets, O...Bearing Crankshaft flywheel
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Bearing Crankshaft flywheel

side
for Vespa 50-125/PV/ET3/PK50
-125/S/PK50 SS/XL/XL2/FL/N
/Rush,
25x47x12 mm,
for conversion to ETS
crankshaft

Various types of roller bearings are used in the Vespa's engine: Thrust bearings, Tapered roller bearings and needle roller bearings. We refer to them collectively as engine bearings. They all possess minimal friction values and therefore produce little heat, require less lubrication and are virtually maintenance-free. The only thing that can shorten their life-span are contamination, a heavier than average work-load or a lack of adequate lubrication with a suitable oil. The stronger the state of tune or the higher the mileage a motor has achieved, the more frequently the engine bearings require replacement. We recommend engine bearing renewal during every major engine service or 10000 km (6250 mls.)

Most of the engine bearings we have available are original PIAGGIO items and in order to extend the range , we also have most types of bearings available, that we buy directly by the various manufacutrers.

 

SIP-TIP : Do not forget to order new crankshaft oil seals and gasket set when replacing the bearings of your Vespa's engine. For a quicker and more professional job there are also specialist tools available specifically for this purpose.

 

If your flywheel can be moved up and down while completely installed it's time, at least, to replace the flywheel side crankshaft bearing. A new crankshaft should never be used in combination with the used, existing bearings.

Small-frame riders have the choice between C3 and C5 grade bearings. C3 are the standard items and the C5 have larger expansion tolerances, so allowing enough play at higher temperatures for high revving motors. If you are aiming for a power output of 15HP or more we recommend the use of pin-roller bearings or bearings of a race standard.

For all those who wish to use an ETS models crankshaft in their small-frame an ETS conversion bearing and special shaft oil seal will also be necessary.


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fits on the following articles
divider Productname divider Art. No. divider Price divider Stock
Bearing Set Engine/Motor SIP for Vespa 50-125/PV/ET3/PK50 -125/S/PK50 SS/XL/XL2/FL/N 90002600 $60.59
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 / N 50 V5A1T 2T AC `63-`71 ETS crankshaft necessary
VESPA 50 L 50 V5A1T 2T AC `66-70 ETS crankshaft necessary
VESPA 50 R 50 V5A1T 2T AC `69-`83 ETS crankshaft necessary
VESPA 50 Revival 50 V5R1T 2T AC `90- ETS crankshaft necessary
VESPA 50 S 50 V5SA1T 2T AC `63-`84 ETS crankshaft necessary
VESPA 50 Special 50 V5A2T 2T AC '69-'72 ETS crankshaft necessary
VESPA 50 Special 50 V5B1T 2T AC '72-'75 ETS crankshaft necessary
VESPA 50 Special 50 V5B3T 2T AC '75-'83 ETS crankshaft necessary
VESPA 50 Special Elestart 50 V5B4T 2T AC '75-'76 ETS crankshaft necessary
VESPA 50 Special Elestart 50 V5B2T 2T AC `72-`75 ETS crankshaft necessary
VESPA 50 Special Elestart 50 V5A3T 2T AC '69-'72 ETS crankshaft necessary
VESPA 50 SR / Sprinter 50 V5SS2T 2T AC `71-`79 ETS crankshaft necessary
VESPA 50 SS / Super Sprint 50 V5SS1T 2T AC `65-`71 ETS crankshaft necessary
VESPA 90 90 V9A1T 2T AC `63-`84 ETS crankshaft necessary
VESPA 90 Racer 90 V9SS2T 2T AC `71-`74 ETS crankshaft necessary
VESPA 90 SS Super Sprint 90 V9SS1T 2T AC `65-`71 ETS crankshaft necessary
VESPA 100 (UK) / 100 Sport (US) 100 V9B1T 2T AC `78-`90 ETS crankshaft necessary
VESPA 125 125 VMA1T 2T AC `65-`67 ETS crankshaft necessary
VESPA 125 Primavera 125 VMA2T 2T AC `67-`83 ETS crankshaft necessary
VESPA 125 Primavera ET3 125 VMB1T 2T AC `76-`90 ETS crankshaft necessary
VESPA PK 50 50 V5X1T 2T AC `82-`84 ETS crankshaft necessary
VESPA PK 50 S / Elestart 50 V5X2T 2T AC `82-`84 ETS crankshaft necessary
VESPA PK 50 S Lusso / Elestart 50 V5X2T 2T AC `85-`88 ETS crankshaft necessary
VESPA PK 50 SS / Elestart 50 V5S1T 2T AC `83-`86 ETS crankshaft necessary
VESPA PK 50 XL / Elestart 50 V5X3T 2T AC `85-`90 ETS crankshaft necessary
VESPA PK 50 XL FL 50 V5N1T 2T AC `90- ETS crankshaft necessary
VESPA PK 50 XL HP 50 V5N2T 2T AC `91-`91 ETS crankshaft necessary
VESPA PK 50 XL N NUOVA 50 V5X5T 2T AC `89-`90 ETS crankshaft necessary
VESPA PK 50 XL Rush / Elestart 50 V5X4T 2T AC `88-`90 ETS crankshaft necessary
VESPA PK 50 XL2 / Elestart 50 V5X3T 2T AC `90- ETS crankshaft necessary
VESPA PK 50 XLS 50 V5S2 2T AC `86- ETS crankshaft necessary
VESPA PK 80 S / Elestart 80 V8X5T 2T AC `82-`86 ETS crankshaft necessary
VESPA PK 80 S Lusso / Elestart 80 V8X5T 2T AC `85-`88 ETS crankshaft necessary
VESPA PK100 S / Elestart 100 V9X1T 2T AC `82-`84 ETS crankshaft necessary
VESPA PK100 XL 100 V9X2T 2T AC `86-`90 ETS crankshaft necessary
VESPA PK125 125 VMX1T 2T AC `82-`85 ETS crankshaft necessary
VESPA PK125 S / Elestart 125 VMX5T 2T AC `82-`84 ETS crankshaft necessary

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