English Français Deutsch Svensk Português PT Español русский Italiano 中文 български Nederlands Polski Português BR Türkçe
UltimateSpecs.com   Cars Motorcycles
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 2009 , the dry weight is 158.8 kg (350.0 pounds) 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, w/piggy back High-/Lo-speed compression, rebound and threaded preload adjustment, 9.1-in travel and in the rear suspension it is equiped with Cast aluminum swing arm w/rebound, High-/Lo-speed compression and threaded preload, 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 size  at the front and Single disc size  at the rear. 

Yamaha YFZ450 General Information

Brand Yamaha 
Model Yamaha YFZ450 
Year 2009 
Year 2009 
Category ATV 
Factory Warranty (Years / miles)  

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) 
Height 1,090 mm (42.9 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 
Rear brakes Single disc 
Front Brakes Dimensions - Disc Dimensions  
Rear Brakes Dimensions - Disc Dimensions  
Curb Weight (including fluids)  
Dry Weight 158.8 kg (350.0 pounds) 
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, w/piggy back High-/Lo-speed compression, rebound and threaded preload adjustment, 9.1-in travel 
Front Suspension Travel  
Rear Suspension Cast aluminum swing arm w/rebound, High-/Lo-speed compression and threaded preload, 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  
Fuel system Carburettor. Keihin 39mm FCR w/throttle position sensor 
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 Drive Train 
Driveline  

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  
Emissions  

Yamaha YFZ450 Electrical Systems, Ignition and Equipment

Ignition Type DC - CDI 
Electrical Details  
Starter Type Electric 
Instruments  
Lights