Technical specifications
					
				 | 
			
			
				| Model: | 
				XR 250R | 
			
			
				| Years: | 
				1984 | 
			
			
			
					
						| 
							Engine:
						 | 
						
							Four-stroke, single cylinder SOHC, 4 valve, RFVC (Radial Four Valve Combustion Chamber)
						 | 
					
			
					
						| 
							Capacity:
						 | 
						
							249 cc / 15.1 cu-in
						 | 
					
			
					
						| 
							Bore x Stroke:
						 | 
						
							75 x 56.5 mm
						 | 
					
			
					
						| 
							Cooling System:
						 | 
						
							Air cooled
						 | 
					
			
					
						| 
							Compression Ratio:
						 | 
						
							9.3:1
						 | 
					
			
					
						| 
							Induction:
						 | 
						
							2x 24mm Keihin CV
						 | 
					
			
					
						| 
							Ignition:
						 | 
						
							CDI
						 | 
					
			
					
						| 
							Spark Plug:
						 | 
						
							NGK DPR 9Z
						 | 
					
			
					
						| 
							Starting:
						 | 
						
							Kick
						 | 
					
			
					
						| 
							Max Power:
						 | 
						
							30 hp / 21.9 kW @ 9000 rpm
						 | 
					
			
					
						| 
							Max Torque:
						 | 
						
							24.5 Nm @ 7500 rpm
						 | 
					
			
					
						| 
							Transmission:
						 | 
						
							6 Speed
						 | 
					
			
					
						| 
							Final Drive:
						 | 
						
							Chain
						 | 
					
			
					
						| 
							Gear Ratio:
						 | 
						
							1st 2.769 2nd 1.882 3rd 1.380 4th 1.083 5th 0.923 6th 0.814
						 | 
					
			
					
						| 
							Front Suspension:
						 | 
						
							Leading axel air spring 38mm forks
						 | 
					
			
					
						| 
							Front Wheel Travel:
						 | 
						
							254 mm / 10.0 in
						 | 
					
			
					
						| 
							Rear Suspension:
						 | 
						
							Pro-link Kayaba damper adjustment for spring preload and rebound damping.
						 | 
					
			
					
						| 
							Rear Wheel Travel:
						 | 
						
							247 mm / 9.6 in
						 | 
					
			
					
						| 
							Front Brakes:
						 | 
						
							Single 240mm disc 2 piston calipers
						 | 
					
			
					
						| 
							Rear Brakes:
						 | 
						
							Drum
						 | 
					
			
					
						| 
							Front Tyre:
						 | 
						
							80/100-21
						 | 
					
			
					
						| 
							Rear Tyre:
						 | 
						
							110/90-17
						 | 
					
			
					
						| 
							Rake:
						 | 
						
							26°
						 | 
					
			
					
						| 
							Trail:
						 | 
						
							105 mm / 4.1 in
						 | 
					
			
					
						| 
							Wheelbase:
						 | 
						
							1364 mm / 53.7 in
						 | 
					
			
					
						| 
							Seat Height:
						 | 
						
							905 mm / 35.6 in
						 | 
					
			
					
						| 
							Ground clearance:
						 | 
						
							315 mm / 12.4 in
						 | 
					
			
					
						| 
							Dry Weight:
						 | 
						
							108 kg / 238 lbs
						 | 
					
			
					
						| 
							Wet Weight:
						 | 
						
							112 kg / 247 lbs
						 | 
					
			
					
						| 
							Fuel Capacity:
						 | 
						
							9 Litres / 2.4 gal
						 |