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Naraku
Article no.: NK105.18

Crankshaft Naraku Racing Hpc CPI / Keeway / China 2-stroke Euro 2

91,00 €

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Description

Crankshaft Naraku Racing HPC for CPI, Keeway, China 2-stroke E2 - high quality HPC crankshaft from Naraku. Produced according to OEM guidelines of Japanese vehicle manufacturers.

It is a HPC Racing full-circle crankshaft, which means that the pre-compression in the crankcase is increased, which in turn leads to much improved cylinder filling. The powerband shifts to the upper rpm range. The counterweights, typically used in full-circle models, are made of plastic and increase the overall weight only slightly compared to standard crankshafts. This means that the crankshaft can also be used with 50cc cylinders without any problems.

The crankshaft comes with a small end bearing.

  • Diameter piston pin: 12mm

  • Diameter variomatic stub: 16mm

  • Thread variomatic stub: M12

  • Thread alternator: M12

Questions about the product
Notes and Safety

How to change a crankshaft?

The crankshaft is one of the main components of the engine and is responsible for the smooth operation of motorcycle, scooter and moped, whether with two-stroke or four-stroke engine. The longevity of the engine depends not only on the proper condition of the crankshaft, but also on the fact that it is properly mounted.

For a correct installation of the crankshaft, we recommend our tutorial: Crankshaft disassembly and assembly.

How can I tell if my crankshaft is Damaged?

A broken crankshaft causes metallic noises, unusual vibrations, leaking oil seals and drastically reduces the performance of the two-wheeler. In any case, the vehicle must be stopped immediately to prevent the damage from getting worse.

Please note that whenever the crankshaft is changed and serviced, you'll have to install new crankshaft bearings.

product tuning range racing icon

Tuning Level: Racing

We categorize our products into different performance levels  Original, Sport, Racing and High End , so that our customers can choose the right parts for their setup. It is really important to combine parts that belong to the same tuning level, this is especially true for cylinders, crankshafts and exhausts.

Racing products are designed for a more extreme uses and are developed primarily for racing. Whether you stay at 50cc or increase the displacement, the corresponding Racing parts produce much higher performance than the original parts in order to achieve maximum power.

Technical details
Crankshaft Naraku Racing Hpc CPI / Keeway / China 2-stroke Euro 2
Article no.NK105.18
EAN4250362423849
Weight1,54 kg
BrandNaraku
Product typeCrankshaft
Tuning levelRacing
Piston pin12 mm
StrokeOriginal
Conrod lengthStandard
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