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					Technical specifications
					
				 | 
			
				| Model: | R 26 | 
			
				| Years: | 1956-60 | 
			
			
					
						| Engine: | Four stroke, single cylinder, pushrod operated, OHV, 2 valves per cylinder. | 
			
					
						| Capacity: | 247 cc / 15.1 cu in. | 
			
					
						| Bore x Stroke: | 68 x 68 mm | 
			
					
						| Compression Ratio: | 7.5:1 | 
			
					
						| Cooling System: | Air cooled | 
			
					
						| Induction: | 1x Bing carburetor type 1/26/46 | 
			
					
						| Ignition: | Battery ignition | 
			
					
						| Starting: | Kick | 
			
					
						| Clutch: | Single plate, dry | 
			
					
						| Max Power: | 11.2 kW / 15 hp @ 6400 rpm | 
			
					
						| Transmission: | 4 Speed | 
			
					
						| Final Drive: | Shaft | 
			
					
						| Gear Ratio: | 1st 5.33 / 2nd 3.02 / 3rd 2.04 / 4th 1.54:1 | 
			
					
						| Frame: | Steel twin loop frame, welded | 
			
					
						| Front Suspension: | Telescopic fork | 
			
					
						| Rear Suspension: | Long swing arm with suspension units and oil pressure dampers | 
			
					
						| Front Brakes: | ∅160mm Drum | 
			
					
						| Rear Brakes: | ∅160mm Drum | 
			
					
						| Front Tyre: | 3.25 x 18" | 
			
					
						| Rear Tyre: | 3.25 x 18" | 
			
					
						| Wet-Weight: | 158 kg / 348 lb | 
			
					
						| Fuel Capacity: | 15 liters / US 3.9 gal |