2012 Yamaha YFZ450
The new 2012 Yamaha YFZ450 has significantly improvement with more low and mid-range performance compared with the previous and Raptor models. It comes standard with pushbutton electric starting, a convenient flip-type parking brake and suspension calibrated for performance. 450cc class leading performance with powerful, quick revving engine and light, nimble handling which offers grat value at 400cc class ATV. Awesome flexibility moving on lightweight ultra-compact steel frame with aluminum sub frame, it’s ready to challenge other 450-class such as Kawasaki KFX450R. With the same peak power output, revised cam profile, timing and new ignition mapping, combines with rugged steel 45mm foot rests which provide excellent grip and rider comfort. Find more detail specification and features on 2012 Yamaha YFZ450.
2012 Yamaha YFZ450 Specification
Engine Type – Liquid-cooled with fan, 4-stroke, DOHC, 5 valves
Engine Capacity – 449cc
Bore x Stroke – 95.0mm x 63.4mm
Compression Ratio – 11.4:1
Fuel Delivery – Mikuni® 42mm BSR
Ignition – DC-CDI
Starting System – Electric
Transmission – 5-speed, wet multiplate clutch
Drive Train – 2WD, sealed O-ring chain, eccentric adjustment
Chassis and Dimension
Color – Black Metallic, White Custom Graphic
Lighting – Dual 30W Krypton multireflector headlights & 3.9/0.5W LED brakelight
Suspension Front – Independent double wishbone, threaded preload adjustment, 9.1-in travel
Suspension Rear – Cast aluminum swing arm, threaded preload adjustment, 10.6-in travel
Brakes Front – 127mm dual hydraulic disc
Brakes Rear – 173mm hydraulic disc
Tires Front – Dunlop® AT21 x 7-10
Tires Rear – Dunlop® AT20 x 10R9
Dimension – 72.4 x 46.1 x 42.9 in
Seat Height – 31.9 in
Wheelbase – 50.4 in
Ground Clearance – 4.5 in
Fuel Capacity – 2.6 gal
Wet Weight – 381 lb
2012 Yamaha YFZ450 Features
Engine and Transmission – Linear throttle response, massive power with high over-rev capacity on 449cc liquid-cooled, DOHC four-stroke with five valves engine. 42mm Mikuni® BSR carburetor for precise air mixing and crisp throttle response with low throttle lever effort. Dry-sump engine carries oil in an aluminum tank directly in front of the engine for excellent cooling and optimal protection from rocks or mud. Smooth-shifting YZ-specs ratchet-type five-speed transmission and heavy-duty clutch deliver all that power to the rear tires with maximum efficiency.
Chassis and Suspension – Lightweight ultra-compact steel frame with aluminum sub frame and independent aluminum upper A-arm front suspension features 9.1 inches of travel. Rear suspension system that controlled by a piggyback shock with 10.6 inches of travel and ultra-rigid cast aluminum swingarm reduces unsprung weight and provides optimal suspension action. The wheels are designed with the inner lip rolled inm equipped with progressive control dual hydraulic front brakes with 127mm discs and class-exclusive, dual-piston hydraulic 173mm rear disc provide strong braking capability. Superb class-leading traction with high-performance 21×7-10 front and 20x10R9 rear Dunlop® radials which is designed specifically for 2012 Yamaha YFZ450.
