Model R175A/JR172A R175AN R180A
Type   Single cylinder, Horizontal, 4-stroke
Combustion system  Precombustion chamber
Bore× Stroke(mm) 75*80 75*80   80*80
Displacement(L)   0.353 0.353   0.402
Rated power(KW)   4.41 4.41   5.15
Rated speed(r/min)  2600 2600   2600
Max power(KW)  4.85 4.85   5.67
Cooling method  Water-cooled Condenser  Water-cooled
Lubrication method   Combined pressure and splashing
Starting method   Hand-cranking
Net weight(kg)  60   65   65

Model R180/JR180   R180N
Type   Single cylinder, Horizontal, 4-stroke  
Combustion system Swirl combustion chamber
Bore× Stroke(mm) 80× 80   80× 80
Displacement(L) 0.402   0.402
Rated power(KW) 5.15   5.15
Rated speed(r/min) 2600   2600
Max power(KW) 5.67   5.67
Cooling method   Water-cooled   Condenser
Lubrication method   Combined pressure and splashing  
Net weight(kg)   70   80