Thursday, November 10, 2011

Honda CBR250R

Honda CBR250R
From the makers of VFR1200F here is the new baby. Honda CBR250R is a 250 cc bike from Honda to challenge world’s best 250cc bike Kawasaki Ninja 250R. New 2011 CBR250R is a 250 cc bike equipped with traditional CBR qualities like performance, dynamic behavior and perfect ease of use. The CBR250R is designed to meet the needs of the most demanding riders. Honda said that the concept behind developing CBR250R was ‘Sport Quarter for One World’.
Engine and Transmission
The new Honda CBR250R is equipped with 249.4 cc, 4 storke, DOHC, 4valve water cooled engine. With the Bore x stroke size of 76 X 55 mm, CBR250R is able to produce massive power of 26.4 bhp (18.7KW) which peaks @8500 rpm (Electronically controlled) which makes the power to weight ratio at 163bhp/tonne.  You don’t need to engine rev hard as the maximum torque of 22.9Nm produced @7000 rpm.  As most of the power available at lower rev the bike will fire at traffic points.
Honda CBR250R
The fuel delivery is handled by Honda’s patented PGM-FI (Programmed Fuel Injection system) which ensures smooth and precise fuel delivery result more power with less fuel consumption.  The fuel filter of CBR250R is placed outside the fuel tank to facilitate any intervention and reduce maintenance costs.The engine mass is kept as low as possible by elimination of unnecessary parts and keeping the moving parts like rod and piston light weight. The friction between engine parts also reduced to significant level which you can feel in engine noise. The Iridium spark plug to squeeze out maximum from every drop of fuel. You don’t need to worry about overheating of engine as liquid cooling system ensures the engine temperature at recommended level.
The Honda CBR250R got six speed gear box with wet multi plate clutch. The short to long gear ratio means you can quickly move into the next gear. The gearbox is designed to exploit the characteristics of the engine at the same time ensuring quicker acceleration and low fuel consumption.  The gear shift feel is very smooth and precise.In order to reduce pollutant discharges, the CBR250R incorporates the latest technology in exhaust. The catalyst metal tri limit emissions of carbon monoxide, nitrogen oxides and hydrocarbons to a minimum. An oxygen sensor placed in the exhaust allows the electronic control unit to further reduce emissions by ensuring the best possible combustion.
Chassis and Suspension
The CBR250R got twin spar steel diamond frame. This steel frame with perimeter configuration ensures optimum stiffness. The perimeter frame means the steering head jointed to the swingarm at shortest possible distance which makes the frame lightweight and rigid. Though, the global trend is towards aluminum perimeter frame, Honda chose steel frame which is stiffer than aluminum. The higher level stiffness of the frame has improved stability and handling qualities of new CBR250R.The new CBR250R got hydraulic 37mm fork as a front suspension which offers travel of 130mm the rear got Pro-Link Monoshock suspension which offer 104mm travel. Thanks to the combination of the front and rear suspension, the CBR250R is able to deliver excellent ride quality with or without pillion.
The new CBR250R got special treatment in tire and rim department. The new CBR250r got new tires and rim from its larger CBR series to ensure firm road grip in any condition. The front got rim size of 2.75 x 17 inch with tire size 110/70 x17 the rear got 4 x 17 inch rim size with tire size of 140/70 x 17.
The combination of Chassis, Suspension and tires offers dynamic driving position on CBR250r that provides perfect control of the vehicle and which appears pleasant and comfortable on long trips leaving room for the concentration of the driver. It also made the bike weight limited to 161 KG.
Braking
Honda is known for making safest vehicle in the world and that’s what Honda proved in case of CBR250R. The new CBR250R got C-ABS (Combined braking system with Anti lock braking system). This is the first time any 250cc bike having feature like C-ABS. The Combined Braking System is known for its effective braking control. It ensures the required combination of front and rear brakes which make sure that the braking torque generated in required manner on front and rear wheel.  CBS with ABS (Anti lock braking system) surely going to do wonder’s in braking department.The new CBR250R got 296 mm disc with dual piston caliper for the front brake while the rear brake got 220 mm disc with single piston caliper. But the C-ABS system will come as option on CBR250R. The C-ABS version is 4Kg heavier than the non C-ABS version.

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