Product Description
TAIDA 63MM 180CC BIG BORE CYLINDER KIT – GY6 A-BLOCK 54MM
Upgrade your GY6 engine with this genuine Taida High Performance 63mm Big Bore Cylinder Kit. Manufactured in Taiwan, this kit features a durable cast-iron cylinder and flat-top cast-aluminum piston, designed for performance engine builds.
IMPORTANT FITMENT NOTICE
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Fits GY6 125/150cc+ A-Block engines with 54mm cylinder stud spacing.
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WILL NOT FIT B-BLOCK (57mm) OR NEW K-BLOCK 200cc STYLE ENGINE CASES.
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CASE BORING / MACHINING IS REQUIRED for the 65.5mm cylinder sleeve.
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Verify engine block type, stud spacing, and case dimensions before purchasing.
SPECIFICATIONS
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Brand: Taida High Performance
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Cylinder Bore: 63mm
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Cylinder Material: Cast Iron
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Piston: 63mm
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Outer Cylinder Sleeve Diameter: 65.5mm
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Cylinder Height: 69.3mm
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Overall Height: 90mm
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Cylinder Stud Spacing: 54mm (A-Block)
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Engine Type: Air-Cooled 4-Stroke GY6
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Country of Manufacture: Taiwan
PACKAGE INCLUDES
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1 × 63mm Cast-Iron Cylinder
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1 × 63mm Piston
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1 × Piston Ring Set (5 Pieces)
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1 × Wrist Pin with Retaining Clips
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1 × Steel Head Gasket
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2 × Base Gaskets (High & Low Compression)
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1 × Chain Tensioner Gasket
COMPATIBILITY
Designed for compatible GY6 125/150cc A-Block engines with 54mm stud spacing, commonly found in Chinese scooters, ATVs, go-karts, and buggies. May also fit certain compatible Kymco engine applications.
Fitment is determined by engine configuration and measurements, not vehicle brand or advertised engine displacement alone.
INSTALLATION & ADDITIONAL NOTES
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Professional installation and proper machine work are recommended.
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Engine case must be bored to accommodate the larger cylinder sleeve.
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Piston appearance, markings, and included component finishes may vary depending on production batch.
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Confirm piston-to-head clearance, compression, and all engine tolerances during assembly.
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Approximately 180cc displacement when paired with a compatible 57.8mm stroke crankshaft.
Distributed by GY6 STORE
