Comparison of TM Racing 450Fi 4T MX and TM Racing SMR 450 F e.s. 2008

Attribute	TM Racing 450Fi 4T MX ×	TM Racing SMR 450 F e.s. 2008 ×
General
Production from (year)	2017	2008
Make	TM Racing	TM Racing
Model	TM Racing 450Fi 4T MX	TM Racing SMR 450 F e.s.
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. Mikuni TDMR 40mm
Engine details	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)
Driveline	Straight – tooth gear	-
Ignition	Kokusan CDI Electronic with variable advance	Kokusan
Clutch	Multiuple-disk in oil-bath with hydaulic control	Multiuple-disk in oil-bath
Lubrication system	Dry sump with double rotor pump	Dry sump with double rotor pump
Chassis
Front suspension	Kayaba USD	Ohlins USD 46mm
Rear suspension	TM Racing	Sachs Boge (optional 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	Perimetral aluminium section
Front tyre	90/90-X21	120/70-ZR17
Rear tyre	110/90-X19	150/60-ZR17
Other
Starter	Electric & kick	Electric & kick
Color options	blue/white	blue
Performance
Fuel capacity (l)	8.2	8.2