Rearward-slanting, 450cc, 4-valve engine
Aluminium Bilateral Beam frame
Ergonomic design for easier riding
Fuel injection for optimum air-fuel ratios
Rigid rear wheel spokes
YZ Power Tuner (optional accessory)

Engine     -
Engine type     Liquid cooled 4-stroke, DOHC, 4-valve, rear ward slanting single cylinder
Displacement     449.7 cc
Bore x stroke     97.0 x 60.8 mm
Compression ratio     12.5 : 1
Lubrication system     Dry sump
Fuel System     FI
Clutch type     Wet, multiple-disc
Ignition system     Full Transistor
Starter system     Kick
Transmission system     Constant mesh, 5-speed
Final transmission     Gear
Fuel tank capacity     6 L
Oil tank capacity     1.2 L

Chassis     -
Chassis:     Bilateral Beam frame
Front suspension system     Telescopic forks
Front travel     310 mm
Rear suspension system     Swingarm (link suspension)
Rear travel     312 mm
Caster angle     26° 47'
Trail     117.5 mm
Front brake     Single disc, Ø 250 mm
Rear brake     Single disc, Ø 245 mm
Front tyre     80/100-21 51M
Rear tyre     110/90-19 62M

Dimensions     -
Length     2,191 mm
Width     825 mm
Height     1,311 mm
Seat height     999 mm
Wheel base     1,487 mm
Minimum ground clearance     383 mm
Wet weight     111.9 kg