Cylinders & Big Bore Kits
- Cylinders & Big Bore Kits
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Showing 1–48 of 77 results
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ScootsUSA Select – 100cc (High Performance) Cylinder Piston Top End Kit for GY6-50 QMB139 Chinese Scooter Motors. Bore 50mmRequires Head #634585
$76.69 -
ScootsUSA Select – 100cc Cylinder Head 50mm for GY6-50 QMB139 Scooter Motors. Valves Installed. with Rocker Arm Assy
$76.69 -
ScootsUSA Select – 100cc Cylinder Piston Top End Kit with Non-EGR Head for GY6-50 QMB139 Chinese Scooter Motors. Bore 50mm Shirt OD 52.50mm
$129.79 -
ScootsUSA Select – 49cc (Standard) Cylinder Piston Top End Kit for GY6-50 QMB139 Chinese Scooter Motors. Bore 39mm
$53.09 -
ScootsUSA Select – 60cc (High Performance) Cylinder Piston Top End Kit for GY6-50 QMB139 Chinese Scooter Motors. Bore 44mm
$58.99 -
ScootsUSA Select – 80cc (High Performance) Cylinder Piston Top End Kit for GY6-50 QMB139 Chinese Scooter Motors. Bore 47mmRequires Head #634585
$58.99 -
ScootsUSA Select – 80cc Cylinder Head 47mm for GY6-50 QMB139 Scooter Motors. Valves Installed. with Rocker Arm Assy
$58.99 -
ScootsUSA Select – 80cc Cylinder Piston Top End Kit with Non-EGR Head for GY6-50 QMB139 Chinese Scooter Motors. Bore 47mm
$117.99 -
ScootsUSA Select – Big Bore Kit GY6-150cc (61mm) Comes with All Parts Shown Replaces the Stock 57mm Bore Cylinder Sleeve OD 64mm
$200.59 -
ScootsUSA Select – Crankshaft 90cc 2 Stroke for E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVS Splines 15 Shaft OD 16 Piston Pin 12 Stroke 42mm for Most ATVS with Cylinder
$70.79 -
ScootsUSA Select – Cylinder & Cylinder Head Kit GY6-177cc 62.5mm
$224.19 -
ScootsUSA Select – Cylinder & Head Kit 110cc Chinese ATVS and Dirtbikes
$141.59 -
ScootsUSA Select – Cylinder & Head Kit 125cc Chinese ATVS and Dirtbikes 52mm Bore -28th Sprocket
$141.59 -
ScootsUSA Select – Cylinder & Head Kit 125cc Chinese ATVS and Dirtbikes 54mm Bore – 28th Sprocket
$171.09 -
ScootsUSA Select – Cylinder & Head Kit 125cc Chinese ATVS and Dirtbikes 54mm Bore – 32th Sprocket
$171.09 -
ScootsUSA Select – Cylinder & Head Kit 50cc Chinese ATVS and Dirtbikes
$114.45 -
ScootsUSA Select – Cylinder & Head Kit 70ccChinese ATVS and Dirtbikes
$114.45 -
ScootsUSA Select – Cylinder Head 39mm 49cc 2 Stroke for E-Ton Impuls TXL50, Lightning AXL50, Viper RXL50cc ATVS 49cc Beamer, Matrix 50 Scooters Polaris, Alpha Sports, Dinli, Jog, Vento
$31.85 -
ScootsUSA Select – Cylinder Head 39mm 49cc GY6-QMB Motors Valve L 64mm (With Valves, Springs, EGR) for Most 49cc Chinese Scooters
$47.19 -
ScootsUSA Select – Cylinder Head 39mm 49cc GY6-QMB Motors Valve L 69mm (With Valves, Springs, EGR) for Most 49cc Chinese Scooters
$47.19 -
ScootsUSA Select – Cylinder Head 39mm Honda Copy 50 ATV, Dirt Bike with Cam-Valves Installed Cam Sprocket Teeth 28
$53.09 -
ScootsUSA Select – Cylinder Head 44mm 60cc GY6-QMB Motors Valve L 69mm (With Valves, Springs, EGR) Work Well with 44-47mm Cylinders
$53.09 -
ScootsUSA Select – Cylinder Head 45mm Tccd for Tomos A3/A35 and Puch Maxi 70cc Kits
$35.39 -
ScootsUSA Select – Cylinder Head 47mm E-Ton Viper RXL70cc for Most 2 Stroke ATVS and Scooters
$35.39 -
ScootsUSA Select – Cylinder Head 47mm Honda Copy 70/90 ATV, Dirt Bike (With Valves and Cam) Cam Sprocket Teeth 28
$58.99 -
ScootsUSA Select – Cylinder Head 52mm (With Valves and Cam) Cam Sprocket Teeth 28 Honda Copy 110-125cc ATV, Dirt Bike
$58.99 -
ScootsUSA Select – Cylinder Head 54mm (With Valves and Cam) Cam Sprocket Teeth 28 Honda Copy 125cc ATV, Dirt Bike
$76.69 -
ScootsUSA Select – Cylinder Head 54mm (With Valves and Cam) Cam Sprocket Teeth 32 Honda Copy 125cc ATV, Dirt Bike
$76.69 -
ScootsUSA Select – Cylinder Head 54mm 100cc 2 Stroke for Most 2 Stroke ATVS and Scooters
$35.39 -
ScootsUSA Select – Cylinder Head 90cc 2 Stroke for E-Ton Implus TXL90, Thunder AXL90, Sierra DXL90, Viper RXL90, RXL90R ATVS + Adly Polaris, Dinli, Alpha Sports
$35.39 -
ScootsUSA Select – Cylinder Head Cover GY6-150, ATVs, GoKarts, Scooters
$16.51 -
ScootsUSA Select – Cylinder Head Cover with EGR for Many 49cc 4 Stroke Chinese Scooters
$29.49 -
ScootsUSA Select – Cylinder Head Cover with EGR GY6-150, ATVs, GoKarts, Scooters
$31.85 -
ScootsUSA Select – Cylinder Head Cover Without EGR GY6-150, ATVs, GoKarts, Scooters
$12.01 -
ScootsUSA Select – Cylinder Head GY6-177cc 62.5mm
$117.99 -
ScootsUSA Select – Cylinder Head Type 1 EGR GY6-150 ATVs, GoKarts, Scooters H 60 B 57 (with Valves and Springs)
$70.79 -
ScootsUSA Select – Cylinder Head Type 1 GY6125 ATVs, GoKarts, Scooters H 60 B 54mm (w)ith Valves and Springs
$70.79 -
ScootsUSA Select – Cylinder Head Type 1 GY6150 ATVs, GoKarts, Scooters H 60 B 57 (with Valves and Springs)
$58.99 -
ScootsUSA Select – Cylinder Head Type 1 Without EGR GY6-180 ATVs, GoKarts, Scooters H 60 B 61 (with Valves and Springs)
$70.79 -
ScootsUSA Select – Cylinder Head Type 2 GY6-150 ATVs, GoKarts, Scooters H 73 B 57 Exhaust Angle 12deg (with Valves and Springs) for E-Ton Sport 150, Tomos Nitro 150
$82.59 -
ScootsUSA Select – Cylinder Head Valve OD 16mm L 64mm for Most GY6-50, QMB139, GY6-125, GY6-150 & Honda Copy 50-125cc Engines
$12.01 -
ScootsUSA Select – Cylinder Head Valve OD 18.4mm L 64mm for Most GY6-50, QMB139, GY6-125, GY6-150 & Honda Copy 50-125cc Engines
$12.01 -
ScootsUSA Select – Cylinder Only for E-Ton Vector 250 + Other 250cc ATVS & Scooters Made by Sym 250cc 4 Stroke CF250 Water Cooled B 71mm H 66mm (not Including the Cylinder Sleeve)
$82.59 -
ScootsUSA Select – Cylinder Piston Kit GY6-177cc 62.5mm
$117.99 -
ScootsUSA Select – Cylinder Piston Top End Kit 110cc 4 Stroke Chinese 110cc ATVs, Dirtbikes B 52mm, H 69mm
$55.45 -
ScootsUSA Select – Cylinder Piston Top End Kit 125cc 4 Stroke ATVs-Dirtbikes B 54mm, H 69mm
$58.99 -
ScootsUSA Select – Cylinder Piston Top End Kit 125cc 4 Stroke ATVs, Dirtbikes B 52mm, H 78mm
$53.09 -
ScootsUSA Select – Cylinder Piston Top End Kit 125cc 4 Stroke CG125 ATV, Motorcycles B 56.5mm H 69mm
$82.59