2010 BMW R1200GS. Photo courtesy of Motorcycle USA

This year marks the 30th anniversary of BMW’s R1200GS and R1200GS Adventure – two bikes that have dominated a niche and carried the weight of BMW Motorcycles on their broad backs. At the heart has always been the Flat-Twin engine design – opposing jugs that became a symbol of the marque and have adapted outside of the GS line to the sporting world. Tuning secrets learned here were transferred back to the Adventure machines, and the Bavarians elected to infuse the proven Boxer Twin with technology from their HP2 Sport.

New cylinder heads are the targeted area with each featuring four larger valves – the intakes are oversized 8.4% to 39mm and the sodium-filled exhaust valves increase by 6.6% to 33mm. Appropriately matching pistons form the new combustion chamber, though the compression ratio inside the 101 x 73mm bore/stroke sleeve remains unchanged at 12.0:1. A larger throttle manifold and revised air intake also contribute to what BMW claims is a higher rev ceiling of 8500 rpm and a 5% boost in horsepower to a claimed 110 hp and 88 lb-ft of torque. An electronic exhaust flap and new muffler internals promote the Boxer thump.

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Source [Motorcycle USA]

The first FXDWG Dyna Wide Glide hit the scene in 1993 and quickly became revered for its kicked-out, wide-set front fork legs pitched at a heavy rake, and mini ape-hanger style handlebars. For a production motorcycle, the Wide Glide gained reputation as a hot chopper, especially for a bike. While Dyna models are known as the lightest-handling Harleys but steering on the 2010 Dyna Wide Glide is heavy and turn-in slow on sharp turns. The 2010 Dyna Wide Glide gets its name from its wide-spaced forks and exposed dual rear shocks.
straight from the factory. Over the years, its styling remained staid, but it did see internal changes as the Harley engine evolved from the Blockhead to the TC 88 to its present iteration, the TC 96. Its gearbox has also been updated from a five to six-speed unit, but the motorcycle’s overall appearance fluctuated little.

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[Source: Motorcycle USA, YouTube]