Comparison of TM Racing 250Fi 4T MX and TM Racing MX 250 F 2005

Attribute	TM Racing 250Fi 4T MX ×	TM Racing MX 250 F 2005 ×
General
Production from (year)	2017	2005
Make	TM Racing	TM Racing
Model	TM Racing 250Fi 4T MX	TM Racing MX 250 F
Category	Cross / motocross	Cross / motocross
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, four-stroke
Valves per cylinder	-	4
Fuel system	Injection	Carburettor. Mikuni TDMR 38 mm
Engine details	Titanium valves	-
Displacement (cm³)	249.5	249.5
Cooling system	Liquid	Liquid
Transmission type,final drive	Chain	Chain
Bore (mm)	77	77
Stroke (mm)	53.6	53.6
Gearbox	5-speed	5-speed
Fuel control	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)
Driveline	Straight – tooth gear	-
Ignition	Kokusan generator, Microtec Electronic	Koukusan CDI electronic w/ variable advance
Clutch	Multiple-disk in oil-bath with hydaulic control	Multiple-disk in oil-bath with hydraulic control
Lubrication system	Dry sump with double rotor pump	Dry sump with double rotor pump.
Chassis
Front suspension	Kayaba USD	Kayba/Paioli USD 48 mm
Rear suspension	TM Racing	Ohlins
Front brakes	Single disc. Wave disc.	Single disc
Rear brakes	Single disc. Wave disc.	Single disc
Diameter (mm)	245	245
Frame type	Perimetral aluminium section	Cr-Mo steel. Perimetral oval section.
Front tyre	90/90-X	90/90-21
Rear tyre	100/90-X19	100/90-19
Other
Starter	Electric & kick	Kick
Color options	blue/white	-
Performance
Fuel capacity (l)	8.2	8