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Showing 1–24 of 47 results

Naraku Performance BBK Cylinder kit – 155cc Forged Piston for Yamaha Cygnus, BWs 5ML 4V

$149.99

Big Bore cylinder kit for Yamaha Cygnus 5ML engines. The highlight of this cylinder kit is the forged piston for increased durability and reduced friction values and the raised piston skirt provides better compression. The bore measures 58.5mm. Kit comprises …

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 …

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 …

Top Performance 70cc Cylinder Kit Top Performances Trophy 70cc for Minarelli LC

$249.99

Minarelli Race 70cc Cylinder Kit Top Performances Trophy 70cc for Minarelli LC by Top Performance Scooter Parts One of our best Streetrace cylinder from Top Performances. The power output is much like that of the Stage6 Streetrace cylinder, Stage6 Sportpro …

Taida 62mm 174.5 cc Cylinder Kit w/Forged Piston Fit 54mm

$219.99

GY6-01062-f GY6 cylinder 62mm forging (54mm spacing, Outer Diameter65mm) ( must cut engine case 66mm ) ( Include cylinder body,Piston,Piston ring, Pin, gasket and G ring)

Naraku 70cc cylinder kit for Minarelli vertical AC BBK

$79.99

70cc cast iron cylinder kit from Naraku for air cooled 50cc Minarelli vertical 2-stroke scooters. 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 …

Stage6 R/T Cylinder Kit “MKI “70cc Piaggio NRG / Runner BBK

$399.99

Stage6 R/T 70cc Cylinder Kit MKI Piaggio NRG / Runner, a top-of-the-range “Hyper Racing” kit with a 47.6mm diameter (70cc) developed by Stage6’s R/T department (“Racing/Team”) for Piaggio / Gilera LC. The kit includes: Nikasil-plated Aluminium Cylinder with 6 transfer …

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 …

SSP-G Zuma 50F Big Bore Cylinder & Head Kit – 47mm BBK

$449.99

SSP-G 47mm Big Bore Cylinder and Head Kit for the Yamaha Zuma 50F 4 Stroke Liquid Cooled Scooter and many other makes and models including the Vino Classic 50cc (4 stroke model). Upgrades to 75.6cc displacement! Includes cylinder, 3-Valve cylinder …

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. …

Taida Motor Cylinder 63mm 205cc Liquid Cool Kit w/Cast Piston Fit 54mm For GY6 152QMI 157QMJ

$239.99

Liquid Cooled Taida Cast-Iron Cylinder 63mm 205cc with Cast Aluminum Piston for GY6 125/150cc + engines. The bore is 63mm and need to be used with Taida Crankshaft 66mm 2V 8200 Stroker (205cc). Taida 63mm Cylinder Big Bore Kit is …

Taida Ceramic Cylinder Big Bore Kit 63mm 205cc for GY6 125/150cc

$269.99

High-Quality Taida Ceramic Cylinder 63mm 205cc with High-Compression Forged Piston offer better durability, power, and reduced friction for GY6 125/150cc + engines. The high compression forged piston will offer better power and the ceramic cylinder with more heat dissipation will …

Taida 61mm BBKCylinder & Piston 2V

$139.99

Taida 61mm Big Bore Cylinder & Piston 2V fits gy6-125 and 150. Will fit many Taiwanese made 150’s like Genuine Buddy, and many others, without case modifications. Standard Chinese engines will require the cases to be bored out.

Outside diameter of cylinder base is 65mm.