Comparison of TM Racing MX 250 2017 and TM Racing 250Fi 4T MX

Attribute	TM Racing MX 250 2017 ×	TM Racing 250Fi 4T MX ×
General
Production from (year)	2017	2017
Make	TM Racing	TM Racing
Model	TM Racing MX 250	TM Racing 250Fi 4T MX
Category	Cross / motocross	Cross / motocross
Engine and transmission
Engine type	Single cylinder, two-stroke	Single cylinder, four-stroke
Fuel system	Carburettor. Keihin PWM 38	Injection
Engine details	V-Force Reed valve	Titanium valves
Displacement (cm³)	249	249.5
Cooling system	Liquid	Liquid
Transmission type,final drive	Chain	Chain
Bore (mm)	66.4	77
Stroke (mm)	72	53.6
Gearbox	5-speed	5-speed
Fuel control	-	Double Overhead Cams/Twin Cam (DOHC)
Driveline	Straight – tooth gear	Straight – tooth gear
Ignition	Kokusan CDI Electronic with variable advance with two selectable maps through handlebar switch	Kokusan generator, Microtec Electronic
Clutch	Multiple-disk in oil bath with hydraulic control	Multiple-disk in oil-bath with hydaulic control
Lubrication system	3,5% oil mix	Dry sump with double rotor pump
Chassis
Front suspension	KYB 48mm	Kayaba USD
Rear suspension	TM Racing	TM Racing
Front brakes	Single disc. Wave disc.	Single disc. Wave disc.
Rear brakes	Single disc. Wave disc.	Single disc. Wave disc.
Diameter (mm)	245	245
Frame type	Perimetral aluminium section	Perimetral aluminium section
Front tyre	100/90-X21	90/90-X
Rear tyre	110/90-X19	100/90-X19
Other
Starter	Kick	Electric & kick
Color options	blue/white	blue/white
Performance
Fuel capacity (l)	8.7	8.2