Comparison of TM Racing MX 450 Fi 2011 and TM Racing MX 450 F 2010

Attribute	TM Racing MX 450 Fi 2011 ×	TM Racing MX 450 F 2010 ×
General
Production from (year)	2011	2010
Make	TM Racing	TM Racing
Model	TM Racing MX 450 Fi	TM Racing MX 450 F
Category	Cross / motocross	Cross / motocross
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, four-stroke
Fuel system	Injection. 44mm throttle body	Carburettor. Keihin FCRD 41mm
Engine details	4 titanium valves	-
Displacement (cm³)	449.2	449.2
Cooling system	Liquid	Liquid
Transmission type,final drive	Chain	Chain
Bore (mm)	95	95
Stroke (mm)	63.4	63.4
Gearbox	5-speed	5-speed
Fuel control	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)
Ignition	Kokusan generator, Microtec Electronic	Kokusan CDI Electronic with variable advance
Clutch	Multiuple-disk in oil-bath with hydaulic control	Multiuple-disk in oil-bath with hydaulic control
Lubrication system	Dry sump with double rotor pump	Dry sump with double rotor pump
Chassis
Front suspension	Marzocchi USD	Marzocchi USD
Rear suspension	Sachs Boge ( optional Ohlins )	Sachs Boge ( optional Ohlins )
Front brakes	Single disc. Nissin pump and Brembo caliper	Single disc. Nissin pump and Brembo caliper
Rear brakes	Single disc. Nissin pump and Brembo caliper	Single disc. Nissin pump and Brembo caliper
Diameter (mm)	245	245
Frame type	Perimetral aluminium section	Perimetral aluminium section
Front tyre	90/90-21	90/90-21
Rear tyre	110/90-19	110/90-19
Other
Starter	Kick	Kick
Color options	blue	blue
Performance
Fuel capacity (l)	8.2	8.2