Zenoah 1 G2D
or G2D engine where it all started a basic good hard working engine will generate about 1.5HP from its 23cc engine commonly found in basic gopeds and early 1/5 cars identified easily buy circular red kill switch.
Zenoah 2 G230
This is the developed version of the previous engine produced by zenoah for recreational high performance use, power 2.5HP from 22.5cc although known as 23cc.
This engine is the basis for most engines with various heads which vary capacity of the engine to 26, 27, 29 and 30.5cc it is also availbale in water cooled and a Heli variant.
These are a Chinese copy of the Zenoah G230 and are identicle all parts are directly interchangable however they do use an older design piston ring which is 1mm thick and does not provide as much compression as the genuine 0.8mm ring. These engines are identified buy a square kill switch in RED.
Please notes all spares and replacement parts are available from my shop details of how to rebuild engines, tune and fault find coming soon