| Model | Honda CRF250R |
| Year | 2017 |
| Category | Motocross / Competition |
| Engine Type | Liquid-cooled, four-stroke, single-cylinder, SOHC Unicam, four valves |
| Weight | 104.8 kg kerb weight (231 lb, US specification); approximately 105.6 kg European specification |
| Displacement | 249.4 cc |
| Bore x Stroke | 76.8 x 53.8 mm |
| Compression Ratio | 13.5:1 (Honda US specification); 13.8:1 reported for the preceding 2016 European specification |
| Fuel System | Honda Dual-Timing PGM-FI electronic fuel injection, 46 mm throttle body, three selectable engine maps |
| Ignition | Full-transistor electronic ignition with electronic advance and Engine Mode Select Button (EMSB) |
| Spark Plug | NGK R0451B-8 |
| Spark Plug Gap | 0.60–0.70 mm (0.024–0.028 in) |
| Cooling System | Liquid-cooled, twin aluminium radiators |
| Starting System | Kickstarter |
| Transmission | 5-speed close-ratio manual, constant mesh |
| Clutch | Wet multi-plate, cable operated |
| Final Drive | 520 chain, 13-tooth front / 49-tooth rear sprocket |
| Overall Length | 2,181 mm |
| Overall Width | 827 mm |
| Overall Height | 1,271 mm |
| Wheelbase | 1,489 mm (58.6 in) |
| Ground Clearance | 322 mm (12.7 in) |
| Seat Height | 951 mm (37.4 in) |
| Fuel Capacity | 6.3 litres (approximately 1.7 US gallons) |
| Frame | Sixth-generation aluminium twin-spar frame, aluminium rear subframe and Honda Progressive Steering Damper (HPSD) |
| Front Tyre | 80/100-21 51M, Dunlop Geomax MX52F original equipment | Tyre Size Guide |
| Rear Tyre | 100/90-19 57M, Dunlop Geomax MX52 original equipment | Tyre Size Guide |
| Front Suspension | 49 mm inverted Showa Separate Function Fork, Triple Air Chamber (SFF-TAC Air); pneumatic spring chambers in left leg and hydraulic damping in right leg, with 16-position compression and rebound adjustment | Fork Oil Levels |
| Front Suspension Travel | 310 mm (12.2 in), Honda published front-wheel travel |
| Rear Suspension | Honda Pro-Link Showa single shock, adjustable spring preload, 17-position rebound damping, 13-position low-speed compression and 3.5-turn high-speed compression adjustment |
| Rear Suspension Travel | 312
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