| MODEL | TM RACING MX 300 ES FI 4T 2023 |
| Year | 2023 |
| Engine Type | Single cylinder, four-stroke, DOHC |
| Displacement / Capacity | 299.4 cc / 18.27 cu in |
| Bore X Stroke | 81.0 x 58.1 mm / 3.2 x 2.3 in |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | eMoticom |
| Induction | Fuel injection |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | Multiple-disc, oil bath, hydraulic control |
| Final Drive | Chain (Regina GPX) |
| CHASSIS SPECS | |
| Frame | Self-tempering aluminium deltabox-type single beam (extruded, forged and microcast parts) |
| Front Suspension | Kayaba USD 48 mm, 310 mm / 12.2 in travel |
| Rear Suspension | TM Racing, 300 mm / 11.8 in travel |
| Front Brakes | Single disc, 270 mm / 10.6 in; Brembo |
| Rear Brakes | Single disc, 245 mm / 9.6 in; Nissin |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 970 mm / 38.2 in |
| Wheelbase | — |
| Ground Clearance | 355 mm / 14.0 in |
| Dry Weight | 102.0 kg / 224.9 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 80/100-21 |
| Rear Tyre | 100/80-19 |
| FUEL SYSTEM | |
| Fuel Capacity | 7.50 Litres / 1.98 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2023 MX 300 ES Fi 4T is a fuel-injected 299 cc four-stroke with electric start and a six-speed gearbox, built on TM's newer deltabox-type frame. Its balance and compact weight of about 102 kg dry are its selling points.
