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NCY Cylinder 58.5mm Ceramic Big Bore Kit w/Cast Piston Fit 54mm (GY6)

NCY Cylinder 58.5mm Ceramic Big Bore Kit w/Cast Piston Fit 54mm (GY6)
ETA 4 - 10 Days

Description: NCY Cylinder 58.5mm Ceramic Big Bore Kit with Cast Piston Fit 54mm for GY6 125/150cc + engines. The ceramic cylinder coating offers better durability with more heat dissipation and can stand higher temperatures. The cylinder bore is 58.5mm. NCY 58.5mm Ceramic Cylinder Big Bore Kit is suitable for all air-cooled 4 strokes 125-150cc Kymco engines (scooters), and most Chinese imported vehicles 125/150cc (scooters, quads, and buggies). Easy to install! Just bolt-on with no crankcase modifications needed.

NOTE: Please, measure with a caliper GY6 crankcase bore (opening) for 60.2mm cylinder outer diameter sleeve need a minimum of 60.4mm bore clearance or boring and machining are required.


Includes the following Cylinder, Piston + Rings, Gaskets (base gasket, steel head gasket), Wrist pin, and Circlips.

•    1x Cast-Alumin Piston: 58.5mm
•    5x Piston Rings: 58.5mm
•    1x Wrist Pin w/G-clips: 42x15x10mm
•    1x Ceramic Cylinder: 58.5mm 
•    Outer Sleeve Diameter: 60.2mm
•    Cylinder Height (w/o sleeve): 69mm
•    Overall Height (w/sleeve): 90mm 
•    Made in Taiwan
•    Fit Intake Studs: M6 / Nuts: M6 Socket: 10mm
•    Fit Exhaust Studs: M8 / Nuts: M8 / Socket: 12mm
•    Fit Cylinder Studs: 187mm 195mm / Nuts: M8 / Washers: M8 / Side Bolts: M6 / Socket: 8mm-12mm
•    Fit 54mm Stud Spacing (A-Block)
•    Fit 54mm Rocker Arm 2V Assembly
•    Fit Crankshaft 
57.8mm +3mm
•    Fit Dowel Pin Set (10x14mm)
•    Fit Cam Chain 45 (90) links
•    Fit Chain Guide (standard)
•    Fit 54mm Cylinder Head 58.5mm to 61mm 2V
•    Fit GY6 125/150cc+

•    Optional: cut plastic fan shroud for best fitment

Supported Models: GY6 Crankcase (Part# 1100-1418); GY6 152QMI 157QMJ Chinese Scooter, ATV, Genuine Buddy, Kymco, Ruckus, Vento

Item Weight & Package Dimensions:
•    2.869 pounds | 5.745" (L) x 5.125" (W) x 4.948" (H)

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NCY Cylinder 58.5mm Ceramic Big Bore Kit w/Cast Piston Fit 54mm (GY6)
  • Stock: ETA 4 - 10 Days
  • Reward Points: 7
  • Part #: 1100-1012
Sold: 1
Views: 2359
Price in reward points: 192