Engine: 

449.7cc, liquid-cooled, DOHC, 4-stroke engine

4 titanium valves

Yamaha Fuel Injection (YFI), Keihin® 44mm

Transistor Controlled Ignition (TCI)

Suspension: KYB® Speed-Sensitive System inverted fork in the front, KYB® monoshock in the rear, and Fully adjustable suspension. 

Brakes: 

Hydraulic single disc brake in the front, 270mm

Hydraulic single disc brake in the rear, 245mm

Tires: 

Dunlop® MX52F in the front, 80/100-21

Dunlop® MX52 in the rear, 120/80-19

Other features: 

Constant-mesh 5-speed, multiplate wet clutch

Chain final drive

Handling:

Easy to handle and easy to catch engine characteristics 

The best-handling 450 that Yamaha has produced in a long time