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Crankshaft Bearing Set Stage6 R/T C4 polymer cage Piaggio Zip
Crankshaft Bearing Set Stage6 R/T C4 polymer cage Piaggio Zip
Crankshaft Bearing Set Stage6 R/T C4 polymer cage Piaggio Zip
Crankshaft Bearing Set Stage6 R/T C4 polymer cage Piaggio Zip
Crankshaft Bearing Set Stage6 R/T C4 polymer cage Piaggio ZipCrankshaft Bearing Set Stage6 R/T C4 polymer cage Piaggio ZipCrankshaft Bearing Set Stage6 R/T C4 polymer cage Piaggio ZipCrankshaft Bearing Set Stage6 R/T C4 polymer cage Piaggio Zip
Stage6 R/T
Article no.: S6-8031400/TN9

Crankshaft Bearing Set Stage6 R/T C4 polymer cage Piaggio Zip

50,50 €

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Description

Crankshaft Bearings plastic cage Stage6 R/T with Oil Seals

Especially in high-performance engines, the quality of crankshaft bearings and oil seals is crucial. Stage6 has upgraded their kits by pairing their already top-tier SKF bearings with bold orange FKM oil seals from the Stage6 R/T line – great look, even better performance.

Fits scooters with Piaggio engine, please check dimensions before ordering.

Crankshaft Bearing Types

The bearings are available in 2 versions

- Polymer cage – designed for racing use. The polymer version offers more flexibility and reduced friction compared to metal cages.
- Metal cage – built for daily street use. More durable than the polymer version, ideal for long-term loads.

Both types are SKF-approved for speeds up to 20,000 RPM. Proper lubrication and correct installation are essential for longevity.

The advantages with the polymer-plastic version compared to metal cages are increased elasticity and reduced friction. We personally this type of bearing for racing engines, but you'll have to pay some attention to carburetor and ignition settings, as the bearings may only be permanently heated to a maximum of 120° to prevent damage to the plastic cage. 

Attention! The polymer cage version should only be installed on engines without a catalytic converter!

Please pay attention when installing the bearings: The half-open side must face the crankshaft webs.

The newly developed orange FKM oil seals are produced using cutting-edge technology. Compared to older models, they offer longer lifespan and reduced friction for better overall engine efficiency.

Bearings and Seals Set:

  • 2x crankshaft bearing SKF C4 20x52x12mm polymer cage
  • 1x oil seal FKM 19x30x5 (6,5)mm
  • 1x oil seal FKM 18x28x7mm
Questions about the product
 
 
Manufacturer's Details
Stage6 GmbH
Eschberger Weg 43
66121 Saarbrücken
Germany
+49 6805 / 2063388
https://stage6-racing.com/
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 Bearing Set Stage6 R/T C4 polymer cage Piaggio Zip
Article no.S6-8031400/TN9
EAN4051272019661
Weight0,25 kg
SeriesR/T
BrandStage6 R/T
Product typeCrankshaft bearing kit
Compatible vehicles for this article
Aprilia
Derbi
Gilera
Italjet
Piaggio
Vespa
Customer reviews
5
1 Ratings
1
 
0
 
0
 
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0
 
TC
Tim C.
Riding style:
Let her rip!
Usage:
Daily
Experience:
Experienced rider
Age:
14-25
Product quality:
Value for money:
Expectations met:
Recommendation:
Tres solide
Les roulement on tenu même apres une surcompresion est une casse de vilo, la fiabiliter de stage 6 est bien presente
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