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KIT REVISIONE ALBERO MOTORE POLINI 282.0004 APRILIA RS4 50 MOTORE D50B View larger

Repair Kit Crankshaft Polini 282.0004 Derbi Gpr Racing 50Cc Engine D50B

282.0004

New product

Bearing - Bearing em>

20-47-14 C4 STEEL - spiked / C4 RIVETED STEEL CAGE em>

Seal - Oilseal em>

30-35-7 PTFE + FKM em>

More details

23,89 €

28,11 €

More info

When a reconditioned engine is mandatory to replace both seals as well as the main bearings as support the motor shaft and rotate at high rpm. That's why for a better and specific review of the crankshaft for the most popular models of scooters, mopeds wasps and, Polini has created a special kit. The Polini kit comes complete with seals and bearings and is perfectly interchangeable with the original parts. The bearings for the crankshaft are spiked with C4 steel cage The seals are made of FKM (fluorocarbon rubber) to withstand higher thermal stress, have the lip of PTFE coated seal (polytetrafluoroethylene); this feature, in addition to ensuring a greater duration than the standard ones, makes that they have a much lower coefficient of friction thus ensuring dispersions and at the same time minor maintains lower temperatures. The Polini kit revised crankshaft is perfect for original engines but is also perfectly suited to the upgraded engines.

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