Aluminium crankcase
Stainless steel crankshaft

Specification:
Bore x stroke(mm): 54x38
Displacement(ml): 87
Max. Output HP: 4
W/G. W(Kg): 10/11
Maximum torque(N. M/rpm): 5/2500
Ignition system: Transistor magneto
Fuel volume(L): 1.4

Oil(lubrication) capacity(L): 0.45
Fuel consumption(g/Kwh)≤ 450
Starting system: Recoil
Dimension(mm): 300x290x365
Engine model: Air-cool forced single-cylinder four-stroke OHV