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Naraku Performance BBK / Cylinder Kit 70cc for Morini AC

$64.99

70cc cast iron cylinder kit from Naraku for Morini engines. The Naraku piston is supplied with a molybdenum coating which protects both cylinder and piston during the running in process, this coating usually dissolves after time. This cylinder is suitable …

Airsal Cylinder Kit 62cc Big Bore Kit 46mm Bore for Hyosung SB, SD, SF 50 Scooter

$74.99

Hyosung Airsal Cylinder Kit 62cc Big Bore 46mm for Hyosung SF50, United Motors XPeed, Kasea Sense, Hyosung SD Avanti 50 Scooters Cylinder kit Airsal sport 62cc 46mm for Hyosung SF50 AS11862 The big brother of the 50cc cylinder kit: the …

Malossi Sport Cylinder Kit – 70cc for Derbi AC Scooter Engines

$129.99

cylinder kit Malossi sport 70cc for Derbi engine AC Malossi Derbi Scooter Cylinder Kit Malossi Sport 70cc for Derbi engine AC Malossi Sport 70 strong torque cast iron cylinder kit with robust piston and 2 rings. Easy to tune and …

RnDmoto 100CC 50mm Big Bore Cylinder Kit for GY6-50 139QMB / QMB139 49cc Scooters

$89.95

Everything you need to bump your 139qmb engine up to a whopping 83cc. Many places commonly call this a 100cc kit. The bore diameter is a full 50mm, the largest you can go! Get the advantage on everyone else and …

Stage6 BBK Cylinder Kit 70cc Sport Pro MK2 for Minarelli vertical (Yamaha BW’s / Slider & MBK Booster) Scooters

$219.99

Stage6 Cylinder Kit 70cc Sport Pro MK2 10mm piston pin Minarelli vertical (Yamaha BW’s / Slider – MBK Booster / Stunt). The first generation Sport Pro MK1 cylinders became very popular among scooter tuners, then Stage6 took things to the next …

Naraku 70cc BBK for Piaggio AC Engines Aprilia Scarabeo, Aprilia SR50, Derbi Atlantis, Piaggio Fly, Vespa ET2 Scooters

$69.99

Piaggio Naraku 70cc Cylinder Kit for Piaggio AC Engines Aprilia Scarabeo, Aprilia SR50, Derbi Atlantis, Piaggio Fly, Vespa ET2 Scooters 70cc cast iron cylinder kit from Naraku for Piaggio air cooled engines. The Naraku piston is supplied with a molybdenum …

Naraku BBK Cylinder Kit 50cc for Morini AC 2T Engines TGB 101, TGB 303, Italjet 50

$69.99

Morini Naraku Cylinder Kit 50cc for Morini AC The Naraku 50cc cast iron cylinder is a an affordable and robust alternative for those who are looking for a replacement top end due to cylinder or piston damage. Franco Morini two …

Stage6 R/T Big Bore Cylinder Kit “MKI” 70cc Minarelli / JOG / Yamaha Aerox / MBK Nitro BBK

$379.99

Stage6 R/T 70cc Cylinder Kit MKI MBK Nitro / Aerox,  a top-of-the-range “Hyper Racing” kit with a 47.6mm diameter (70cc) developed by Stage6’s R/T department (“Racing/Team”) for Minarelli horizontal. Nikasil-plated Aluminium Cylinder with 6 transfer ports and a bridged exhaust port HQ Piston, …

SSP-G 171cc Drop In Cylinder Kit – Aluminum 61mm for GY6 157QMJ 125-150cc Engines

$155.99

61mm Aluminum Drop in cylinder kit for 125cc and 150cc GY6 engines, commonly referred to as a 171cc kit. In most cases, no special tools are needed for the job and no engine case machining is required! Old style GY6 …

Naraku V.2 GY6-50 / 139QMB 52mm BBK with complete assembled head. Kymco 49cc 2V (110cc)

$179.99

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 diameter of the cylinder base has not been affected by the increase in displacement. …

Naraku BBK Cylinder Kit – V.2 47mm 72cc for GY6, Kymco , 139QMB/QMB139 50cc 2V Scooter Engines

$89.99

Naraku 47mm Performance Cylinder Kit for the GY6 50cc engine The latest V.2 Cylinder kit series from NARAKU, we can offer a more advanced product. As a 4 stroke cylinder upgrade is effectively just a hole, the emphasis on technological …