Herkules

Naraku High Performance clutch bell with patented R-Vent system for more fresh air over the clutch. Prevents wear and loss of friction. Great value...

Naraku cylinder gasket set (61mm/170cc) 4-stroke

Naraku piston kit [61mm / 170cc] 4-stroke

Naraku cylinder gasket set (63mm/180cc) 4-stroke

Naraku piston kit [63mm / 180cc] 4-stroke

Naraku cylinder gasket set (58.5mm/160cc) 4-stroke

Naraku piston kit [58.5mm / 160cc] 4-stroke

Naraku Sports Contra Spring V.2 +1500rpm The current version of the Naraku counter pressure spring uses a modified alloy spring providing better re...

Naraku Sports Contra Spring V.2 +1000rpm The current version of the Naraku counter pressure spring uses a modified alloy spring providing better re...

Naraku Racing variator for all 50cc 2-stroke Minarelli engines with upright and horizontal cylinders. The surfaces offer optimal ratio change. This...

Naraku Torque Driver with 2 different linear guide slots. Most torque drivers have curved slots which is not ideal for performance gains but fine f...

Cost-effective replacement belt for everyday use. Good flex and outstanding grip and can easily be used in lightly tuned engines.

Naraku Sports Contra Spring V.2 2 Pack, +1000, +1500 rpm The current version of the Naraku counter pressure spring uses a modified alloy spring pro...

Complete Naraku torque driver. Torque drivers, counter pressure springs and clutch. No need to disassemble the original. No more over-stressing the...

Crankcase breather system by Naraku. A Simple, yet effective design by Naraku suitable for all 139QMB/QMA (GY6 50) Kymco and GY6 125- 180cc 4- stro...

Naraku Racing Variator for all GY6 engines with 125cc or above. Set comprises: variator, variator pressure plate, 10.3g sliders, CNC-machined outer...

GY6 Racing CDI with no rev limiter. This CDI features a performance optimised ignition curve: ideal for later tuning mods, such as a big bore kit. ...

160cc big bore kit for GY6 125/150cc + engines. The bore is 58.5 mm. Kit is suitable for all air-cooled 4 stroke 125-150cc Kymco engines (scooters)...

The NARAKU 50cc cast iron cylinder kit is an affordable and robust alternative for those who require a replacement due to cylinder or piston damage...

Sports camshaft with altered timing for original and sports cylinder heads. For 4-stroke air-cooled 125-180cc Chinese imports (quads, scooters, Bug...

Naraku unrestricted CDI unit. Can also be used on untuned engines, and increases the rev limit from the original 8-9,00rpm. A must for tuned engine...

New version of the micro-processor-controlled ignition box kit with aluminium racing CDI unit and converter. For better spark and adjustability. A ...

Naraku sports camshaft for original and sports cylinders. Longer valve opening time. Suitable for Chinese import 125/150cc scooters, quads etc. wit...

Tuning cylinder head with larger valves, larger ports and an enlarged 59mm combustion chamber. The cylinder head fits the NARAKU tuning cylinder se...

180cc big bore kit for GY6 based engines over 125/150cc. The bore measures 63 mm. Kit is suitable for all air-cooled 4 stroke 125-150cc Kymco engin...

170cc big bore kit for GY6 based engines over 125/150cc. The bore measures 61 mm. Kit is suitable for all air-cooled 4 stroke 125-150cc Kymco engin...

Naraku HD (Heavy Duty) crank main bearing set. Set contains left and right crank bearings in metal cage and relevant shaft seals. Only bearings wit...