This CD70 cylinder kit is premium aftermarket top-end rebuild spare part specially designed for CD70 70cc four-stroke air-cooled motorcycles, widely used commuter bikes in Asia, Africa and Latin America.

The cylinder barrel is made of high-grade aluminum alloy with embedded cast iron liner. After precision honing treatment on inner wall, it features low friction coefficient, outstanding wear resistance and efficient heat dissipation. It can keep stable working status during long-time continuous operation and reduce the risk of piston seizure. The piston adopts high-silicon aluminum alloy material, lightweight and high temperature resistant, which effectively controls thermal expansion.

This full kit comes with all necessary accessories including piston, piston rings, piston pin, circlips and full gaskets. One package meets your whole top-end overhaul requirement.

As the core power assembly of CD70 engine, this cylinder kit solves common engine failures: cylinder liner wear, piston scuffing, insufficient compression, hard starting, power drop, blue smoke and engine blow-by. It restores original compression and brings back good acceleration performance.

Manufactured strictly according to OEM dimension standards, all mounting holes and sealing surfaces are precisely machined. Direct replacement for old and damaged original cylinder assembly, no cutting or extra modification needed. It saves plenty of assembly time for repair workshops and DIY motorcycle mechanics.

Each cylinder set passes dimension inspection and air tightness test before shipment to ensure consistent quality and long service life. Perfect spare part for scooter maintenance, engine rebuild and wholesale business.

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