Motortek (ATU)

Top end gasket set for the Airsal 80cc sport cylinder kit for 50cc GY6 4-stroke engines.

Piston Ring Kit for 80cc Sport Airsal for GY6 50cc, Kymco 50 4T

Replacement piston kit for 80cc Airsal sport cylinder kit for 50cc GY6 4-stroke engines.

81.3cc High performance aluminium cylinder kit from Airsal for 50cc 139QM GY6 Engines. Unlike cast iron cylinders, the aluminium cylinder offers mu...

72cc (47mm) kit for all 50cc 4 stroke Chinese scooters which use the GY6 139QMA/QMB engines and Kymco 4T. A low cost performance upgrade to stock 5...

50cc Cylinder kit for all 50cc 4 stroke Chinese scooters which use the GY6 139QMB/QMA engines. An ideal low cost replacement kit for those worn or ...

Yasuni replacement silencers silver in aluminium. Suitable for Yasuni Z exhaust systems. The silencers comes with gasket and nuts it also works on ...

Yasuni replacement silencers in carbon / aramid construction specifically for Yasuni Carrera 30 Exhaust. The silencers comes with gasket and nuts.

Yasuni replacement silencers in Carbon design specifically for Yasuni Carrera 30 Exhaust. The silencers comes with gasket and nuts.

Yasuni replacement silencers in Carbon design suitable for Yasuni Z exhaust systems. The silencers comes with gasket and nuts. it also works on sys...

Yasuni replacement silencers in carbon / aramid construction suitable for Yasuni Z exhaust systems. The silencers comes with gasket and nuts. it al...

gasket for the silencers at all Yasuni Scooter exhaust systems and geared moped exhaust systems. Suitable respect, not for Yasuni Carrera 30th

Yasuni replacement silencers fits in black anodized aluminium construction for Yasuni R, R/07, Carrera 16, Carrera 16/07, Carrera 20 and Carrera 21...

Yasuni replacement silencers in Carbon design fits Yasuni R, R/07, Carrera 16, Carrera 16/07, Carrera 20 and Carrera 21 Exhaust. The silencer comes...

Yasuni replacement silencers fits in silver aluminium construction for Yasuni R, R/07, Carrera 16, Carrera 16/07, Carrera 20 and Carrera 21 Exhaust...

Yasuni replacement silencers in carbon / aramid construction fits. For Yasuni R, R/07, Carrera 16, Carrera 16/07, Carrera 20 and Carrera 21 Exhaust...

Complete set of quality crank oil seals from Naraku, for scooters with 50cc Kymco 4-stroke and GY6 engines. Set contains all the important oil seal...

Counterpressure spring mounting tool for convertor units 125-155mm outer diameter.

This piston ring set for 90cc GY6 cylinders (52.4mm bore) is specially manufactured for the 90cc Naraku 4-stroke cylinder (NK100.52).

OEM-quality valve stem oil seal made by Taiwanese and Japanese manufacturers. Naraku offers a set of 2 valve seals for 4-stroke cylinder heads. Exc...

This piston ring set for 50cc GY6 cylinders (39mm bore) can be optionally used in Naraku 4-stroke cylinders, but is also suitable for original cyli...

The name says it all: racing spark plugs are for motorsport use and their characteristics make them less suitable for road use. Where these plugs m...

High-Tech straight from the lab NGK has taken a massive step forward in spark plug technology with the new Iridium IX. Laboratory testing has shown...

High-Tech straight from the lab NGK has taken a massive step forward in spark plug technology with the new Iridium IX. Laboratory testing has shown...

Crank seals for 50cc GY6 139QMB engines. Set contains 4 seals for left and right-hand side, as well as for the gearbox output shaft.

Naraku crankshaft in OEM-quality to match Japanese and Taiwanese alternatives. Kitted with high quality, heavy duty quality bearings which allows f...

Crankcase cover for all vehicles with 10” wheels, generally used with 669mm v-belts. Supplied as shown, black.

Common problems with stock cylinder heads on the Chinese 4-stroke engines are generally known to be expensive and involve high costs. Chinese repla...

Crankshaft in high quality manufactured in Europe for Chinese 50cc 4-stroke engines and 4-stroke 50cc Kymco. High quality con rod tin much better q...

Naraku carburettor repair kit for 50-90cc carbs. Comes with adjustable needle, needle clip, 80 main jet, pilot jet, float bowl gasket, idle jet, mi...

Malossi BigBore cylinder with 52mm bore in aluminium with hard chromed liner. The bore = 87.9cc capacity. Original head may be retained according t...

CNC-machined replacement piston for 52.4mm Naraku cylinder with molybdenum coating. Comes complete with piston rings, oil scraper rings, gudgeon pi...

Complete cylinder gasket set for all 51mm and 52.4mm Naraku 4-stroke cylinder sets Kit contains all necessary gaskets from the base upwards and is ...

Complete cylinder gasket set for all 44mm Naraku or 44mm Chinese-built 4-stroke cylinder sets.

With the latest V.2 Cylinder kit series from NARAKU, we can offer a more advanced product. As a 4 stroke cylinder is effectively just a hole, the e...

With the latest V.2 Cylinder kit series from NARAKU, we can offer a more advanced product. The bore has been taken out to 52.4mm. The external diam...

Complete engine gasket set for all Chinese-built 4-stroke GY6 139QMB/QMA scooters with 12” wheels and short engine block; v-belt length 729mm, cr...

Complete cylinder head for 50cc 139QMB / QMA engines. Unlike many other available cylinder heads, this is a complete head. That means: valves, valv...