Description
Polini crankshaft bearings and seals Minarelli
Polini crankshaft bearings and shaft seals for Minarelli scooters (Yamaha Aerox and many more). Suitable for racing engines, but can of course also be used as spare parts for original setups. The oil seals are HQ rings made especially for Polini from high-quality Viton, with extremely high thermal and chemical resistance. The lips are polymer-coated to minimize friction and wear.
Contents crankshaft set
- 2x crankshaft bearings with steel cage (NTN C4 - 6204), 20x47x14mm
2x oil seals, 20x30/34x6mm and 20x42/43x8mm
Questions about the product
Manufacturer's Details
Notes and Safety
Crankshaft bearings for motorcycle, scooter and moped
Crankshaft bearings ensure the smooth operation of engines, whether on scooters, motorcycles or mopeds. The crankshaft is an integral part of the engine and the associated bearings and seals must be in perfect condition.
A crankshaft bearing set consists of ball bearings and oil seals. They are usually sold as a complete set and must be replaced each time the crankshaft is installed/re-installed.
What are the symptoms of defective crankshaft bearings?
The main symptoms of a defective crankshaft bearing are:
- Unusual metallic noises coming from the direction of the crankshaft.
- Unusual vibrations of the vehicle.
Defective bearings must be replaced immediately, otherwise there is risk of further damage to the engine. There are many different tools for crankshaft removal or bearing pullers.
You can see how to change crankshaft bearings in our crankshaft disassembly and assembly tutorial.
Technical details
| Crankshaft Bearings Polini + Oil Seals Yamaha Aerox / BW's | |
|---|---|
| Article no. | P282.0002 |
| EAN | 8054705085277 |
| Weight | 0,70 kg |
| Brand | Polini |
| Product type | Crankshaft bearing kit |
| Stroke | Original |
| Conrod length | Standard |
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