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Tuningkit -NARAKU 90 cc alloy- Kymco, GY6 (4-stroke) (139 QMB) - 52,4mm

partnumber NK10052

The sports cylinder kits of well known tuners Naraku are further developed all the time, and are a class of their own.

This 90cc racing cylinder is the maximum in the small class.

This kit fits most 50cc Kymco, Baotian, Rex and similar scooters with the same engine layout. They are good value for money and show high craftsmanship.

The capacity increase to 90cc make traffic light sprints and two-up hill climbing a pleasure. Even overtaking other road users is possible now.

The quality demand of Naraku shows the piston especially. It is molybdenum-coated and cnc-machined for optimum combustion chamber design and power output.

The light and compact piston delivers good acceleration figures and is in conjunction with the cylinder durable and thermical strong.

This kit includes a special racing cylinder head with bigger valves and optimized inlet and outlet which boost the power and take care of the thermic stability.

The perfect replacement for worn or defect standard cylinders. The capacity plus is not visible from the outside.

If you use sports cam shaft it is in some cases advisable to lift the cylinder to prevent contact problems with the piston crown.

The cylinder can be used with the standard carburetor and head. In most cases the main jet of the carb needs to be changed. Even more power can be gained with a bigger carburetor.

As with any tuning we recommend the check of squish clearance and ignition/carb set up after installation for a perfect result.


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