YZ1P61F  
Engine type: OHV, single cylinder, forced air cooling,4-stroke
Recommended Max. Output(kW/(r/min)): 2.5/3600
Max. torque(N.m/(r/min)): 5.0/2800
Bore×Stroke(mm): 61×48
PTO shaft rotation: counterclockwise rotation (from pto side)
Displacement(ml): 140
Compression: 8.5：1
Ignition type: T.C.I
Lubricating type: Splashing
Spark plug clearance(mm): 0.70-0.80
Fuel tank capacity(L): 1.6
Oil capacity(L): 0.6
Starting system: Recoil start
Air cleaner: Semi-dry,Foam Filter
Package dimensions(mm):  450×405×385
N.W(kg): 13.5
Loading quantity: (20GP/40GP/40HQ)  504/1008/1008