Yamaha YZ450F - 2017 Specifications and Reviews

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General information
Category	Cross / motocross
Year	2017
Model	Yamaha YZ450F
Engine and Transmission Specifications
Clutch	Wet multi-disc
Transmission type,final drive	Chain
Gearbox	5-speed
Cooling system	Liquid
Lubrication system	Wet sump
Ignition	TCI: Transistor Controlled Ignition
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Injection. Yamaha Fuel Injection (YFI), Keihin 44mm
Valves per cylinder	4
Bore x Stroke	97.0 x 60.8 mm (3.8 x 2.4 inches)
Compression	12.5:1
Engine details	Titanium-valves
Engine type	Single cylinder, four-stroke
Capacity:	449.70 ccm (27.44 cubic inches)
Brakes, suspension, Frame and wheels
Seat	Long, two-tone, motocross-style seat
Rear brakes diameter	245 mm (9.6 inches)
Rear brakes	Single disc. Hydraulic.
Front brakes diameter	250 mm (9.8 inches)
Front brakes	Single disc. Hydraulic.
Rear tyre	120/80-19
Front tyre	80/100-21
Rear wheel travel	315 mm (12.4 inches)
Rear Suspension	Monoshock, adjustable preload and rebound damping
Front wheel travel	310 mm (12.2 inches)
Front Suspension	KYB Speed-Sensitive System, inverted fork: fully adjustable
Rake (fork angle)	28.0°
Frame type	Semi double cradle

Physical measures and capacities
Fuel capacity	7.57 litres (2.00 gallons)
Wheelbase	1,481 mm (58.3 inches)
Ground clearance	335 mm (13.2 inches)
Overall width	826 mm (32.5 inches)
Overall length	2,174 mm (85.6 inches)
Overall height	1,290 mm (50.8 inches)
Seat height	975 mm (38.4 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	111.1 kg (245.0 pounds)
Other specs
Starter	Electric
Color options	Blue/white

Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2017 Yamaha YZ450F is a powerful and agile motocross bike that delivers exceptional performance on the track. With its lightweight design and advanced technology, this bike offers impressive handling and acceleration. The 450cc engine provides plenty of power for aggressive riding, while the innovative suspension system helps to absorb bumps and jumps with ease. Whether you're a seasoned racer or a novice rider, the Yamaha YZ450F is sure to impress with its precision and responsiveness. Overall, the 2017 Yamaha YZ450F is a top contender in the motocross world, offering riders a winning combination of power, agility, and control. With its advanced features and impressive performance, this bike is a force to be reckoned with on the track. Whether you're tearing up the dirt or tackling tough terrain, the Yamaha YZ450F is a worthy choice for any motocross enthusiast.