| Limited Edition | No |
| Special Edition Note | Factory special edition in the livery of the Monster Energy Yamaha factory bikes (Monster Black, blue rims, Monster Energy graphics). Technically identical to the standard YZ250 two-stroke. |
| Markets Available | Europe, USA |
| Lifecycle | current |
| Changes | Model year 2027: new colours and graphics; Monster Energy edition in factory livery. No technical changes announced. |
| Vehicle Type | offroad |
| Variant Type | special_edition |
| Target Audience | Two-stroke fans, ambitious motocross and amateur racers |
| Engine Type | Single-cylinder two-stroke, liquid-cooled, reed-valve induction, YPVS power valve |
| Cylinders | 1 |
| Displacement | 249 ccm |
| Bore x Stroke | 66,4 x 72,0 mm |
| Compression Ratio | 8,9–10,6:1 |
| Fuel System | Keihin PWK38S carburettor |
| Cooling | Liquid-cooled |
| Lubrication | Premix |
| Transmission | 5-speed |
| Final Drive | Chain |
| Clutch | Wet multi-plate clutch |
| Starter | Kick starter |
| Frame Type | Aluminium bilateral beam frame |
| Front Fork | KYB Speed Sensitive System USD fork, fully adjustable |
| Fork Brand | KYB |
| Front Travel | 300 mm |
| Front Suspension Adj. | Preload, rebound and compression |
| Rear Shock | KYB monoshock with linkage, fully adjustable |
| Shock Brand | KYB |
| Rear Travel | 315 mm |
| Rear Suspension Adj. | Preload, rebound and compression |
| Front Disc Count | 1 |
| Front Disc Size | 270 mm |
| Rear Disc Size | 240 mm |
| ABS | No |
| Seat Height | 975 mm |
| Wheelbase | 1,486 mm |
| Rake | 27.7 ° |
| Trail | 122 mm |
| Wet Weight | 103 kg |
| Fuel Capacity | 6.8 L |
| Length | 2,184 mm |
| Width | 826 mm |
| Height | 1,290 mm |
| Ground Clearance | 361 mm |
| Front Tire | 80/100-21 |
| Rear Tire | 110/90-19 |
| Spoke Wheels | Yes |
| Riding Modes | No |
| Traction Control | No |
| Launch Control | No |
| Cruise Control | No |
| Headlight | None (competition model) |
| Market Launch | Model year 2027 (European date not yet official) |
| Colors | Monster Black (Monster Energy Yamaha Racing) |
| A2 Compatible | No |
| Market Note | Pure competition model, not road legal – for closed-course use only. Specs per Yamaha USA spec sheet (converted to mm/kg). No entry for the standard YZ250 exists in the database yet. |
| Confirmation Source | Yamaha Motor Europe – 2027 Off-Road Competition range; Yamaha Motor Corp. USA model page "YZ250 Monster Energy Edition" |
Strengths & Weaknesses
Strengths
- Light, free-revving YPVS two-stroke, low weight, simple maintenance, fully adjustable KYB SSS suspension, factory look of the Monster Energy edition
Weaknesses
- Not road legal, kick start only, carburettor instead of fuel injection, no electronics (TC, maps), no official German price

