Product Description
JA-ALL E02028 cylinder head assembly designed for 52.4mm engines. It has a 23mm intake port, 20mm exhaust port, and 32-tooth cam gear. The source states that it fits many Chinese makes and models of 52.4mm engines. It replaces heads with 20mm/23mm valves and is not a replacement for heads with 23mm/28mm valves used on 125cc 54mm engines.
Product Specifications
BrandJA-ALL
Manufacturer Part NumberE02028
Modelcylinder head
Item model numberE02028
ExteriorPainted
Explicit Manufacturer Part NumberE02028
Engine diameter52.4mm
Intake port diameter23mm
Exhaust port diameter20mm
Cam gear32 teeth
Valve size compatibility20mm/23mm valves