Segment: ATV/Quad
Production years: 2008, 2009
The 2008 Yamaha YFZ450R is a pure sport quad, engineered to deliver the ultimate performance on the dirt track, drawing its cues from the MX world. It boasts a hybrid aluminium chassis for reduced weight and flex, but which is extremely strong, dramatically improving cornering and precise tracking at high speed.
The 5-valve DOHC engine is placed low in the frame for better mass centralization, a great match for the slightly wider profile and revised suspension geometry, all ensuring a performance boost in the hands of the skilled rider. Wide foot pegs and a redesigned seat provide excellent support in tight turns and when landing a hard one.
engine specs | Type: | 4-Stroke Single, Liquid Cooled w/ Fan, Titanium 5-Valve DOHC | Displacement: | 449 cm3 | Bore X Stroke: | 3.7x2.5 in OR 94 mm | Compression Ratio: | 11.6:1 | Horsepower: | 0/0 KW(hp)/RPM | Torque: | / lb-ft/RPM OR 0 Nm/RPM | Fuel System: | Yamaha Fuel Injection (YFI) , 42mm |
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transmission specs | Gearbox: | 5-Speed | Clutch: | Manual | Primary Drive: | - | Final Drive: | 2WD; Sealed O-Ring Chain, Eccentric Adjustment |
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chassis specs | Frame: | Aluminium, steel | Front Suspension: | Independent "Wide Arc" Double Wishbone, w/ 9.8 in. of travel. Kashima coated Piggy Back shocks featuring High/Low Speed Compression, Rebound and Threaded Preload Adjustment | Rear Suspension: | Cast Aluminum Swing Arm, w/ 11.0 in. of travel. Piggy Back shock featuring High/Low Speed Compression, Rebound and Threaded Preload Adjustment | Front Brake: | Dual Ventilated Hydraulic Disc , Twin Piston Calipers | Rear Brake: | Wave Style Ventilated Hydraulic Disc, Twin Piston Caliper |
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dimension specs | Overall Length: | 70.7 in OR 1796 mm | Overall Width: | 48.8 in OR 1240 mm | Seat Height: | 31.9 in OR 810 mm | Wheelbase: | 50 in OR 1270 mm | Ground Clearance: | 9.3 in OR 236 mm | Weight: | 406 lbs OR 184 kg | Fuel Capacity: | 2.6 gallons OR 9.8 L |
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tyres specs | Front: | AT21x7-10 Dunlop KT351 Radial | Rear: | AT20x10-9 Dunlop KT356 Radial |
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