Model: R165  R170  R175A  R180  R185    
Type: Horizontal, 4-stroke        
         
Combustion system  Swirl combustion chamber    
Pre-burning type  Swirl combustion chamber  
1-65*60  1-70*60  1-75*80  1-80*80  1-85*90
No. Of cylinders*Bore*Stroke (mm)          
0.199  0.231  0.353  0.402  0.511
Total Displacement (L)          
23: 1  22: 1  21: 1  
Compression ratio          
2.43/2600  3.0/2600  4.85/2600  5.67/2600  6.47/2600
Rated output (kw / r / m)          
??307.4  ??296.5  ??280.2  ??278.8  ??274.7
Specific fuel consumption (g / kw. H)          
??4.76  4.76  4.08  
Specific lube consumption (g / kw. H)        
         
Cooling system Hopper        
Lubrication system  Splash    
Combined pressure and splash    
         
Starting method Hand cranking    
Hand cranking or Starting motor  
Net weight (kg): 29  31  60  72  95
Overall dimension L*W*H (mm): 473*282*365 589*341.5*463 625*341*464 700*390*570.