2017 TM Racing 300Fi 4T MX. Image credits - TM Racing.
TM Racing's profilation of this bike
The ability of these engines to perform has become renowned worldwide and for a ‘production’ engine the internal components and materials used are unmatched, many of these components and materials being of a level of quality that would only usually adorn the best of the ‘factory’ engine machinery.
General information
Motorcycle name
TM Racing 300Fi 4T MX
Model year
2017
Category
Cross / motocross
Rating
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Engine and transmission
Displacement
300.0 ccm (18.31 cubic inches)
Engine type
Single cylinder, four-stroke
Engine details
Titanium valves
Bore x stroke
77.0 x 53.6 mm (3.0 x 2.1 inches)
Valves per cylinder
4
Fuel system
Injection
Fuel control
Double Overhead Cams/Twin Cam (DOHC)
Ignition
Kokusan generator, Microtec Electronic
Lubrication system
Dry sump with double rotor pump
Cooling system
Liquid
Gearbox
5-speed
Transmission type
Chain (final drive)
Clutch
Multiple-disk in oil-bath with hydaulic control
Driveline
Straight – tooth gear
Chassis, suspension, brakes and wheels
Frame type
Perimetral aluminium section
Front suspension
Kayaba USD
Rear suspension
TM Racing
Front tire
90/90-X21
Rear tire
100/90-X19
Front brakes
Single disc. Wave disc.
Diameter
270 mm (10.6 inches)
Rear brakes
Single disc. Wave disc.
Diameter
245 mm (9.6 inches)
Physical measures and capacities
Fuel capacity
8.20 litres (2.17 US gallons)
Other specifications
Color options
Blue/white
Starter
Electric & kick
Electrical
Fuel battery.
Comments
Italian brand.
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Further information
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property of the respective owners. Technical specifications are subject to change without notice.