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 OE 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.
The drive shaft bearing has a hard job to do. With time the mechanical play within the bearing inevitably increases and your rear wheel will begin to wobble. We only stock engine bearings of the highest quality. Usually the use of C3 and C4 graded bearings is sufficient for the job. Many people swear by the use of CN bearings with even finer tolerances which stabilises the rear wheel even further. Wide-frame models have both internal and external bearings at the end of their drive shafts.
SIP-TIP: The use of a bearing removal tool makes this job a lot easier. (part no 21467000) Do not forget to order fresh gearbox oil and a set of oil seals to complete this replacement work properly. Why not change the brake shoes while you are at it?
OEM Nummern (dienen zu Vergleichszwecken) 7563 - 90025 - 90131 (PIAGGIO)
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