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Bearing Crankshaft flywheel

for Vespa 125 V1-15/V30-33
/Hoffmann <- `52,
SKF, 20x52x12 mm

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.

OEM Numbers (for the purpose of comparison)  125000 (PIAGGIO)

Customers also searched for this article with:  bearing crankcase

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This article can be found in the following exploded drawings ... go Go to Exploded Drawings!
90035000 $20.10
91130000 $22.74
91131000 $29.23
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128g / piece
Stock on hand   Amount

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Product forums
fits on the following articles
divider Productname divider Art. No. divider Price divider Stock
Bearing Set Engine/Motor SIP for Vespa 125 V1-15/V30-33 /Hoffmann <- `52 90000340 $178.16
icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 125 125 V30-33 2T AC `51-`53 flywheel side & clutch side, until 1952
VESPA 125 125 V1-15T 2T AC `48-`50 flywheel side & clutch side
VESPA 125 ACMA 125 2T AC `51-`55 model 50 1111->3310
VESPA 125 ACMA 125 2T AC `51-`55 model 51 3311->11310
VESPA 125 ACMA 125 2T AC `51-`55 model 52 11311->35610
VESPA Hoffmann A/B 125 - 2T AC `50-`53 flywheel side & clutch side, until 1952

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