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Motorcycles Specs > Yamaha > Yamaha YFZ450

Yamaha YFZ450 Specs

The Yamaha YFZ450 model is a ATV bike manufactured by Yamaha . In this version sold from year 2012 , the dry weight is  and it is equiped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of  and a maximum torque of  . With this drive-train, the Yamaha YFZ450 is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha YFZ450 have a  frame with front suspension being Independent double wishbone, threaded preload adjustment, 9.1-in travel and in the rear suspension it is equiped with Cast aluminum swing arm, threaded preload adjustment, 10.6-in travel . Stock tire sizes are 21/7-10 on the front, and 20/10-9 on the rear. As for stopping power, the Yamaha YFZ450 braking system includes Double disc. Hydraulic disc size 127 mm (5.0 inches) at the front and Single disc. Hydraulic Disc size 173 mm (6.8 inches) at the rear. 

Yamaha YFZ450 General Information

Brand Yamaha 
Model Yamaha YFZ450 
Year 2012 
Year 2012 
Category ATV 
Factory Warranty (Years / miles) 6 Month (Limited Factory Warranty) 

Yamaha YFZ450 Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase 1,280 mm (50.4 inches) 
Length 1,839 mm (72.4 inches) 
Width 1,171 mm (46.1 inches) 
Seat Height 810 mm (31.9 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance 114 mm (4.5 inches) 
Trail size  
Wheels details  
Front Tyres - Rims dimensions 21/7-10 
Rear Tyres - Rims dimensions 20/10-9 
Front brakes Double disc. Hydraulic disc 
Rear brakes Single disc. Hydraulic Disc 
Front Brakes Dimensions - Disc Dimensions 127 mm (5.0 inches) 
Rear Brakes Dimensions - Disc Dimensions 173 mm (6.8 inches) 
Curb Weight (including fluids) 172.8 kg (381.0 pounds) 
Dry Weight  
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio :  
Fuel Tank Capacity 9.84 litres (2.60 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension Independent double wishbone, threaded preload adjustment, 9.1-in travel 
Front Suspension Travel  
Rear Suspension Cast aluminum swing arm, threaded preload adjustment, 10.6-in travel 
Rear Suspension Travel  

Yamaha YFZ450 Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details Titanium valves 
Fuel system Carburettor. Mikuni 42mm BSR 
Engine size - Displacement - Engine capacity 449.00 ccm (27.40 cubic inches) 
Bore x Stroke 95.0 x 63.4 mm (3.7 x 2.5 inches) 
Compression Ratio 11.4:1 
Number of valves per cylinder  
Camshaft Valvetrain Configuration DOHC 
Maximum power - Output - Horsepower  
Maximum torque  
Engine Maximum RPM  
Cooling system Liquid 
Lubrication system  
Engine oil capacity  
Exhaust system  
Gearbox 5-speed 
Transmission type, final drive ratio Chain 
Clutch type Wet multiplate 
Driveline 2WD; sealed O-ring chain, eccentric adjustment 

Yamaha YFZ450 Performance

Top Speed  
Acceleration 0 to 100 km/h (0 to 62 mph)  
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency  
CO2 emissions  

Yamaha YFZ450 Electrical Systems, Ignition and Equipment

Ignition Type DC - CDI 
Electrical Details  
Starter Type Electric 
Lights Dual 30W Krypton multireflector headlights and 3.9/0.5W LED brakelight