RETROL R34 OHV 4.2CC V-Twin Four-Stroke Gasoline Engine Mini Retro Motorcycle Engine Model

Material: brass, aluminum alloy, stainless steel;
Color: brass color, silver color;
Overall size: 150*120*140mm;
Engine size: 120*90*115mm;
Wooden base size: 150*120*30mm;
Proportion: 1:5;
Weight: 1300g;
Form: ready to run;
Type: twin-cylinder four-stroke gasoline engine;
Displacement: 4.2cc;
Cylinder diameter: 13mm;
Stroke: 16mm;
Cooling method: air-cooled;
Starting method: electric drill start/manual start;
Ignition method: CDI electronic ignition;
Spark plug type: 3/16-40 inch thread spark plug;
Lubrication type: mixed/splash lubrication (gasoline/oil = 25/1);
Fuel type: 95# gasoline;
Oil type: 2T motor oil;
Starting power: 4.5V AA batteries *3 (not included);