2009 Yamaha YFZ450R

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product code: YAMFFZ450R

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2009 Yamaha YFZ450R
The original YFZ was the first 450 class Pure Sport ATV. The new 2009 Yamaha YFZ450R raises the bar yet again with a motocross inspired design, all-new fuel injected engine, cast aluminum frame, Wide-Arc front A-arms and true long travel suspension.
Designed to dominate the race track, the all new YFZ450R is sure to draw many checkered flags.
With a "wide-track" chassis and new suspension, this new YFZ "R" will provide more stability, confidence and control than ever before. The powerful 5-valve 449cc race engine has been updated with fuel injection and a bunch of goodies from our YZ motocross bikes. This new engine is cradled by an all-new hybrid aluminum chassis for improved strength and reduced flex, making the new YFZ450R the most capable racer we've ever developed.
Topping last season’s all-conquering YFZ450 was always going to be a challenge. The new 2009 YFZ450R successfully steps up to the No 1 Sports ATV position by moulding totally uncompromising engineering into instant race-winning potential.
The YFZ450R story starts with a new, massively rigid but very lightweight cast aluminium and steel hybrid chassis. Though the suspension is wider and longer than the YFZ450’s, the YFZ450R is physically shorter overall than its predecessor, giving it a more agile, nimble feel.
Sitting low in this chassis is a 449cc 5-valve DOHC liquid-cooled engine with reshaped intake ports and fuel injection controlled by a 32-bit ECU. The engine’s dry-sump design allows for a shallower crankcase, lowering the centre of gravity still further for even sharper handling. Pressure lubrication from a separate (small) dry-sump tank inside the crankcase reduces weight and rules out oil starvation under high G-forces.