Racing variator set 13 mm KW stump for Aprilia MBK Yamaha Rex Adly Motowel...
- Manufacturer: Naraku
- Item no: 6790060
- Manufacturer no.: NK 900.60
- EAN: 4250362416247
Item data
| Vario rollers Quantity: | 3 sets with 6 pieces each |
| Tuning & Styling Part: | Yes |
| Vario roller weight: | 5,0 - 5,5 - 6,0 g |
| Motor: | 2-stroke Minarelli + 2-stroke China (CPI) engine 50cc |
| Universal compatibility: | No |
| Fan wheel: | integrated in riser disk |
| Vario housing Outer diameter: | 95 mm |
| Vario housing inside diameter: | 18 mm |
| GTIN: | 4250362416247 |
| Vario sleeve Outer diameter: | 18 mm |
| Riser disk outer diameter: | 94 mm |
| Vario rollers Nominal size: | 15x12 mm |
| Vario sleeve inside diameter: | 13 mm |
| Vario sleeve length: | 38.0 mm |
| Toothing pressure plate: | 17 Teeth |
| Tuning level: | Racing |
| Toothing of riser disk: | 17 teeth (star) |
| for crankshaft stub: | 13 mm |
| Color: | Silver |
| Scope of delivery: | 1x variator set |
| Manufacturer number: | NK 900.60 |
| Country and region of manufacture: | China |
| Modification description: | improved acceleration, increased top speed |
| Modified item: | Yes |
| Offer package: | Yes |
| Description of the package content: | Variomatic including replacement weights + riser disk |
| Manufacturer warranty: | 2 years |
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Racing Planet Distribution GmbH
Löbstedter Str. 50
07749 Jena
Web page http://www.naraku.com
Email: service@racing-planet.de
| Vario rollers Quantity | 3 sets with 6 pieces each |
|---|---|
| Tuning & Styling Part | Yes |
| Vario roller weight | 5,0 - 5,5 - 6,0 g |
| Motor | 2-stroke Minarelli + 2-stroke China (CPI) engine 50cc |
| Universal compatibility | No |
| Fan wheel | integrated in riser disk |
| Vario housing Outer diameter | 95 mm |
| Vario housing inside diameter | 18 mm |
| GTIN | 4250362416247 |
| Vario sleeve Outer diameter | 18 mm |
| Riser disk outer diameter | 94 mm |
| Vario rollers Nominal size | 15x12 mm |
| Vario sleeve inside diameter | 13 mm |
| Vario sleeve length | 38.0 mm |
| Toothing pressure plate | 17 Teeth |
|---|---|
| Tuning level | Racing |
| Toothing of riser disk | 17 teeth (star) |
| for crankshaft stub | 13 mm |
| Color | Silver |
| Scope of delivery | 1x variator set |
| Manufacturer number | NK 900.60 |
| Country and region of manufacture | China |
| Modification description | improved acceleration, increased top speed |
| Modified item | Yes |
| Offer package | Yes |
| Description of the package content | Variomatic including replacement weights + riser disk |
| Manufacturer warranty | 2 years |
Naraku - Spare parts & tuning for scooters & scooter
Naraku is one of the best-known brands in the scooter spare parts and tuning sector. For many years, Naraku has been offering a wide range of products, from standard spare parts for everyday use to tuning components for sporty setups. The brand stands for an attractive price-performance ratio, good quality and a high availability of common parts for many scooter and scooter models. This makes Naraku an established name for workshops and tuning fans alike.
Why Naraku is the right choice
- ✅ Wide range - from basic spare parts to tuning components.
- ✅ Fair prices - strong performance with an attractive price-performance ratio.
- ✅ High availability - large selection for popular scooter brands and models.
- ✅ Tuning DNA - many products specially developed for performance enhancements.
- ✅ Proven in practice - tried and tested by riders, mechanics and workshops.
The most important product areas from Naraku
Cylinders & pistons
Naraku offers cylinder kits in various designs - from 50cc standard cylinders to 70cc sports and racing cylinders. Matching pistons, piston rings and gasket sets are also available. The kits are ideal for repairs, performance upgrades or complete engine overhauls.
Variator & drive
One focus is on variator systems, belts and weights. The Naraku variator is a popular alternative to OEM parts and offers better acceleration, smoother running and higher top speed. Clutches, bells and overrange kits are also available.
Crankshafts & internal engine parts
Naraku supplies reinforced crankshafts, connecting rods and bearings for tuning setups. These are designed for higher speeds and loads. They form the basis for stable and powerful engines.
Carburetor & intake
The range includescarburetors in various sizes as well as intake manifolds, air filters and nozzles. This allows engines to be optimally tuned and performance potential to be exploited.
Electrics & CDI
Naraku offers CDIs, ignition coils and electronic control units that can adjust ignition timing or override rev limiters. They are the ideal addition for tuning setups.
Gaskets & accessories
From gasket sets to assembly material and small parts - Naraku supplies everything you need for a professional repair or tuning job.
Naraku product lines
Naraku Standard
Standard spare parts in solid quality, ideal for everyday repairs and maintenance. They impress with their precise fit and fair prices.
Naraku Sport
Sports parts such as 70cc cylinders or sports variator systems that enable more power, better acceleration and higher top speed - perfect for tuning beginners.
Naraku Racing
The Racing series is designed for ambitious tuners. With high-performance cylinders, crankshafts and tuned components, it delivers maximum performance for racing and competitions.
Technical advantages
Naraku relies on robust materials, precise manufacturing and practical developments. Many parts can be used universally, others specifically for popular models from Piaggio, Minarelli, Peugeot, Kymco, Honda and many other manufacturers. This means that both classic scooters and modern scooters can be reliably equipped. The brand is particularly popular with mechanics looking for reliability without premium prices.
Buying advice in a nutshell
- ✅ Repair: Standard parts for affordable & reliable repairs.
- ✅ Tuning beginners: Sport cylinders & variator systems for more power in everyday use.
- ✅ Racing: high-performance components for ambitious setups.
- ✅ Engine overhaul: Complete kits with cylinders, pistons, gaskets & crankshafts.
- electrics: CDIs & control units for individual ignition curves.
Conclusion
Naraku is the perfect choice for scooter riders looking for reliable spare parts or performance-oriented tuning. With a wide range, attractive prices and practical quality, the brand is just as convincing in everyday use as it is in sporting applications. Whether for a simple repair, a performance upgrade or a complete racing setup - Naraku supplies the right parts for every requirement.