2010 BMW R 1200 GS comes Eicma 2009. Reviewed the most successful model of the House of Monaco, who will submit to the Milan Fair (open to the public from next Thursday) standard versions, and Adventure with the new engine. Aesthetics substantially identical, the news is inside.
The new boxer engine, which uses technology DOHC, has the same design principle and the same configuration up of the BMW HP2 Sport, with adaptations to the needs of large user requests in enduro trip. Even the engines of 1170 cc from the previous models offered a good push in all conditions of travel and in all driving situations right now the new engine that equips the R 1200 GS and R 1200 GS Adventure raises the bar by offering greater thrust at low revs the wider range of use, better sprinting and an overall improvement in driving pleasure, thanks to the 110 hp and at the maximum expanded use of 500 g / min. no fi at 8,500 rpm. Like the engine of the BMW HP2 Sport, is equipped with two trees overhead cam (DOHC) chain drive. The valve control is via the rocker very light and highly resistant to high speeds. With the configuration up the four radial valves, it was possible to realize a combustion chamber from the very compact design. Like previous models, the mixture is ignited by two spark plugs (and the HP2 Sport from 1), while it remained unchanged compression ratio that is 12,0:1.
The exhaust system remains essentially unchanged with regard to the shape, length and diameter of the exhaust manifolds. The pipe market interference has been modified to fit new report vibration. The electronically controlled valves located on the exhaust manifold assures a more aggressive exhaust tone, while remaining within the rules package. The valve is controlled by an electric motor. In order to reduce backpressure and improve the sound, the terminal discharge remained unchanged in exterior design, it features a new interior configuration.