style=color: rgb(0. 0. 0); font-family: Times; line-height: normal;>2012 Honda CB250R Key Features Engine / Drivetrain The 249 cc single-cylinder engine has been purpose-built for the CBR250R. and boasts such high-performance features as double overhead camshafts driven by a Hy-Vo-type silent chain. forked roller rocker arms. a compact four-valve cylinder head. a counterbalance shaft. and liquid cooling.. The light and compact engine contributes to the CBR250R? s nimble steering. intuitive handling and impressive power-to-weight ratio. which allows it to outperform twin-cylinder bikes of similar displacement.. Shim-style valve adjustment allows easy inspection and maintenance. although with a recommended inspection interval of 48.000 km. you? ll ride a long. long time between any needed adjustments.. The engine countershaft sits lower than the mainshaft in a ? stacked? formation ...
The CBR250R serves up everything first-time and long-time riders look for in a bike: Lightweight. Excellent fuel economy. Solid build quality. A user-friendly powerband. And a cool factor that can? t be beat. Engine and transmission Displacement: 249.40 ccm (15.22 cubic inches) Engine type: Single cylinder. four-stroke Compression: 10.7:1 Bore x stroke: 76.0 x 55.0 mm (3.0 x 2.2 inches) Valves per cylinder: 4 Fuel system: Injection. PGM-Fi. 38mm throttle body Fuel control: Double Overhead Cams/Twin Cam (DOHC) Ignition: Computer-controlled digital transistorized with electronic advance Cooling system: Liquid Gearbox: 6-speed Transmission type. final drive: Chain Fuel consumption: 3.05 litres/100 km (32.8 km/l or 77.12 mpg) Greenhouse gases: 70.8 CO2 g/km. (CO2 - Carbon dioxide emission) Emission details: Meets current EPA standards. Models sold in California meet current CARB standard...
