2012 Yamaha YFZ450
Best in class performance at an unbetable price.
Pricing/Color Information
Features
All
Key Features - The new 2012 YFZ450 offers great value – true 450cc class performance at 400cc class price.
Key Features - Significantly more low and midrange performance compared with the previous YFZ450 model, yet with the same peak power output thanks to revised cam profile and timing and new ignition mapping. Throttle lever effort is lighter than before for all-day riding comfort.
Key Features - Lightweight, ultra-compact steel frame with aluminum sub frame give the new YFZ450 awesome flexibility.
Key Features - The new YFZ450 comes standard with pushbutton electric starting, a convenient flip-type parking brake and suspension calibrated for performance.
Engine: 449cc liquid-cooled, DOHC four-stroke with five titanium valves features 95mm bore and 63.4mm stroke for massive power with high over-rev capacity and crisp, linear throttle response.
Engine: A large 42mm Mikuni® BSR carburetor delivers precise fuel/air mixing and crisp throttle response with low throttle lever effort.
Engine: Smooth-shifting YZ-spec ratchet-type five-speed transmission and heavy-duty clutch deliver all that power to the rear tires with maximum efficiency.
Engine: Large-capacity radiator is optimally mounted in the frame to guard against damage.
Engine: Additional weight-saving engine features include: magnesium cylinder head cover and right-side crankcase cover.
Engine: 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.
Engine: Large capacity airbox features no-tool access to the extra large oiled dual-foam filter for easy maintenance.
Chassis/Suspension: Independent aluminum upper A-arm front suspension features 9.1 inches of travel.
Chassis/Suspension: Rear suspension system uses YZ-linkage type, controlled by a piggyback shock with 10.6 inches of travel.
Chassis/Suspension: Dual hydraulic front brakes with 127mm discs and classexclusive, dual-piston hydraulic 173mm rear disc provide strong braking capability with progressive control and feel.
Chassis/Suspension: The wheel has been designed with the inner lip rolled in. This increases the rigidity, allowing a reduction in weight while maintaining strength.
Chassis/Suspension: High-performance 21x7-10 front and 20x10R9 rear Dunlop® radials, designed specifically for the YFZ450, deliver superb, class-leading traction.
Chassis/Suspension: Ultra-rigid cast aluminum swingarm reduces unsprung weight and provides optimal suspension action.
Chassis/Suspension: Long travel out back means an excellent ride and handling.
Chassis/Suspension: Eccentric chain adjuster mechanism simplifies that job.
Chassis/Suspension: Long, low, and narrow YZ-style seat enhances the quick, balanced steering and optimal rider movement.
Additional Features: Rugged steel 45mm foot rests provide excellent grip and rider comfort.
Additional Features: Large-capacity, 2.6-gallon fuel tank provides excellent range.
Additional Features: Dual 30-watt multireflector Krypton headlights set back in the front cowl add the perfect menacing appearance. 21/5W taillight is tough, and incorporates a brakelight for added convenience.
Key Features - A plethora of GYTR® accessories are readily available for this machine.
Engine: Reliable pushbutton electric start in any gear adds extra convenience.
2012 Yamaha YFZ450
Specifications
Engine
- Starting System
- Electric
- Type
- 449cc liquid-cooled w/fan, 4-stroke; DOHC, 5 titanium valves
- Bore x Stroke
- 95.0mm x 63.4mm
- Compression Ratio
- 11.4:1
- Fuel Delivery
- Mikuni® 42mm BSR
- Fuel Capacity
- 2.6 gal
Transmission
- Ignition
- DC - CDI
- Transmission
- 5-speed; wet multiplate clutch
- Drive Train
- 2WD; sealed O-ring chain, eccentric adjustment
Chassis
- Suspension Front
- Independent double wishbone, w/piggy back High-/Lo-speed compression, rebound and threaded preload adjustment, 9.1-in travel
- Suspension Rear
- Cast aluminum swing arm w/rebound, High-/Lo-speed compression and threaded preload, 10.6-in travel
- Brake Front
- 127mm Dual hydraulic disc
- Brake Rear
- 173mm Hydraulic disc
- Tires Front
- Dunlop® AT21 x 7-10
- Tires Rear
- Dunlop® AT20 x 10R9
Dimensions
- Dimensions (LxWxH)
- 72.4 x 46.1 x 42.9 in
- Seat Height
- 31.9 in
- Wheelbase
- 50.4 in
- Weight
- 381 lb
- Ground Clearance
- 4.5 in
General Information
- Lighting
- Dual 30W Krypton multi-reflector headlights & 3.9/0.5W LED brakelight
- Warranty
- 6 Month (Limited Factory Warranty)




