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Yamaha ATV Model Information
Yamaha YFZ450R ATV Manufacturer Logo

2009 Yamaha YFZ450R Performance Sport ATV - Specifications


2009 Yamaha YFZ450R ATV

Yamaha YFZ450R ATV Specifications:


Type 449cc, liquid-cooled w/fan, 4-stroke; DOHC titanium 5-valve
Bore x Stroke 95mm x 63.4mm
Compression Ratio 11.6:1
Carburetion Yamaha Fuel Injection (YFI) , 42mm
Ignition TCI (Digital)
Starting System Electric
Transmission 5-Speed Manual Clutch
Drive Train 2WD; sealed O-ring chain, eccentric adjustment


Suspension/Front Independent double wishbone, w/ Kashima coated piggy back shocks, High/Low speed compression, rebound and threaded preload adjustment, 9.8-in travel
Suspension/Rear Cast aluminum swingarm w/ piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel
Brakes/Front Dual ventilated hydraulic disc, twin piston
Brakes/Rear Wave-style ventilated hydraulic disc, twin piston
Tires/Front AT21 x 7-10 Radial
Tires/Rear AT20 x 10-9 Radial


L x W x H 70.7 x 48.8 x 41.9 in
Seat Height 31.9 in
Wheelbase 50.0 in
Ground Clearance 4.5 in
Fuel Capacity 2.6 gal.
Curb Weight 405 lb

Lighting Dual 30W Krypton Multi-reflector Headlights and 3.9/0.5W LED Brake light

Yamaha ATV Manufacturer Logo

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