Comparison of TM Racing 450Fi 4T MX and TM Racing SMX 450 F Competition 2005

Attribute	TM Racing 450Fi 4T MX ×	TM Racing SMX 450 F Competition 2005 ×
General
Production from (year)	2017	2005
Make	TM Racing	TM Racing
Model	TM Racing 450Fi 4T MX	TM Racing SMX 450 F Competition
Category	Cross / motocross	Super motard
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, four-stroke
Valves per cylinder	4	4
Fuel system	Injection. 44 mm throttle body	Carburettor. Keihin FCR 41 mm
Engine details	Titanium valves	-
Displacement (cm³)	449.2	449
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)
Driveline	Straight – tooth gear	-
Ignition	Kokusan CDI Electronic with variable advance	Koukusan CDI electronic w/variable advance.
Clutch	Multiuple-disk in oil-bath with hydaulic control	Multiple-disk in oil-bath with hydraulic control
Lubrication system	Dry sump with double rotor pump	-
Chassis
Front suspension	Kayaba USD	Kayaba/Paioli USD 48 mm (optional Ohlins 46-48 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	240
Frame type	Perimetral aluminium section	CrMo. Perimetral oval section.
Front tyre	90/90-X21	-
Rear tyre	110/90-X19	-
Other
Starter	Electric & kick	Electric & kick
Color options	blue/white	-
Performance
Fuel capacity (l)	8.2	8