70cc / 90cc cylinder block assembly. 4-stroke 70cc / 90cc air-cooled profile is used for most engine brands commonly found in Chinese ATVs, go karts, dirt bikes and other powersports product. Applicability includes the majority of models from companies like Zongshen, Lifan, Loncin, Jipin as well as the many primary, secondary and tertiary quality level manufacturers. Bore size is 47mm. Block size is 72cm3.

Associated Parts:
• 20A8805 Cylinder Head
• 30A8131 Piston and Ring Set
• GSK2010 Gasket Set