Friday 30 December 2011

Honda CBR 250R - To known the unknown


The CBR250R reveals a mature side to this multinational company, who’s put on its thinking cap to conjure up a practical bike for daily use that’s also affordable.

The attractively faired CBR250R looks a full-size bike. This sporty quarter-liter motorcycle resembles Honda’s VFR1200F, also sporting a mass-centralized stance. The front fairing extends down to shroud its engine bay, and a curved visor provides ample high speed wind protection, wrapping around a sporty cockpit
The motorcycle business has evolved a full circle at Honda. It brought the world high-tech bikes, higher-tech bikes, superbikes and then pushed the envelope to supersports, this giant punching through every barrier of motorcycle development along the way.



The CBR250R reveals a mature side to this multinational company,The attractively faired CBR250R looks a full-size bike. This sporty quarter-liter motorcycle resembles Honda’s VFR1200F, also sporting a mass-centralized stance. The front fairing extends down to shroud its engine bay, and a curved visor provides ample high speed wind protection, wrapping around a sporty cockpit.
Honda has developed a new 249cc, 4-stroke, dual-overhead-camshaft engine for the CBR250R. The liquid-cooled, single-cylinder powerplant is fuel-injected via a twin-beam, Honda PGM-FI system.
The CBR250R enjoys the world’s first roller rocker arms on any DOHC engine, with tappet clearance relying on shim adjustment.
Peak power at the crankshaft is stated to be 25.8 hp at 8500 rpm, while a maximum torque figure of close to 16.6 ft-lb at 7000 rpm .

Neat attention to detail is apparent in the attractive steering head region, and you get clip-ons mounted above the triple clamp. We liked the 250R’s blue backlit LCD instruments with silver trim and a compact, easily deciphered layout. An analog tachometer dominates this bay, while you also see a bold digital speedometer, in addition to odometer, trip-counter, clock, fuel and temperature readouts.
The CBR250R riding position is midway between commuter-upright and sporty, and kept my wrists stress free during this short ride. The saddle offers good padding, making this a comfortable steed.
The practical and city-friendly CBR250R is a superbly balanced motorcycle.

Complete Specifications

Dimensions:
Length: 2030mm
Width: 709mm
Height: 1127mm
Wheelbase: 1369mm
Seat Height: 784mm
Ground Clearance: 148mm
Rake: 25°
Trail: 95 mm
Engine Type: 4 stroke, DOHC 4-valve, water cooled
Displacement: 249.4CC
Bore x Stroke: 76 x 55 mm
Compression ratio: 10.7 : 1
Maximum power: 26. 2 bhp (18.7 kilowatts) @8500 rpm (95/1/EC)
Maximum Torque: 22.9 Nm @7,000 rpm (95/1/EC)
Carburetion: Electronic Fuel Injection PGM-FI
Diameter of the venture: 38MM
Ignition: Transistorized with electronic advance
Transmission: Clutch: Wet multiplate with coil springs
Gearbox: Constant mesh 6-speed return
Final Reduction: Ring Chain
Final Drive: Chain
Training: Mechanical cable
Primary reduction 2.808
Final reduction 2.714
Electricals
Start Electric
Battery 12V/ 6AH
Headlight 55/60 watts
Chassis Frame Type: Double beam type steel tube (Diamond frame)
Kerb Weight: 161 KG/ 165 (C-ABS version)
Fuel Tank: 13 liter
Rim Front 17 M / C × MT 2.75
Rear 17 M / C × MT 4.00
Tire Front 110/70 ×17M / C
Rear 140/70 × 17M / C
Suspension Front telescopic fork, 37 mm, 130 mm travel
Rear Pro-Link Monoshock, 104 mm travel
Brake: Front Hydraulic disc 296 x 4.5 mm with 2-piston caliper and resin pads
Rear hydraulic disc 220 x 5 mm with single piston caliper and resin pads











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