2011 Suzuki RM-Z250 Specs, Engine Features, and Overview

Posted in Motorcycle, RM-Z250, Suzuki on April 16th, 2011 by jess

2011 Suzuki RM-Z250 The 2011 Suzuki RM-Z250 is a dirt-track ready off-road motorcycle with smooth engine output.  It is driven by a 249cc, fuel injected, 4-stroke, 4-valves single-cylinder engine with a mid-range punch and 13500 maximum rpm.   Refinements in the 2011 RM-Z250 include a quieter muffler that meets AMA Motocross 94db noise limit, exhaust pipe length adjustment, updated ECU setting to provide more linear acceleration, and revised radiator hose routing for better cooling.  Transmission system is a 5-speed constant mesh focusing on 3rd and 4th gear, that offers flexibility and gear ratios suited for various terrains.  Lubrication has also been improved, on the centre of the clutch.  It’s ergonomic design produce a thin ride and good grip for the rider, with aluminum alloy tapered handlebar, narrow aluminum fuel tank, gripper seat cover, and wide footpegs.

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2011 Yamaha YZ450F Specs, Engine Features, and Overview

Posted in Motorcycle, Yamaha, YZ450F on April 6th, 2011 by jess

2011 yamaha yz450f The 2011 Yamaha YZ450F is a 449 cc dirtbike / motocrosser.  Powertrain is a liquid-cooled, 4-stroke, fuel-injected, single cylinder with 4 titanium valves DOHC engine.  It comprises of a bilateral beam aluminum chassis with hydroformed tapered aluminum swingarm, mounted atop a 21” front and 19” rear tires.  It sports a slanted cylinder rearward with exhaust that exits from the rear of the cylinder to gain more balance.  The handlebar adjusts to 4 different position having a 22mm fork off set of its triple clamps, and features Pro Taper bars and foam handlebar pad.  A KYB fork front suspension uses Transfer Control Valve (TCV) to enhance damping force.  Made for on the dirt action, the bike also comes with polypropylene engine and water pump guards, extra wide foot pegs, folding shift lever, and heavy-duty rubber swingarm protector.

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