While BMW’s R100 series has become an increasingly popular platform for customization, the Bavarian boxers have never been particularly conducive to the tracker genre thanks to the shaft-driven powertrain with its large protruding cylinder heads and the bike’s more than 500lb curb weight. Despite this, the crew at Fuel Motorcycles has managed to defy the odds, delivering a custom airhead-based tracker that ticks all the right boxes.
Starting with a 1979 R100 RS, the custom motorcycle shop has rid the touring model of its beefy two-up saddle, large capacity tank, and Vetter-esque bodywork, before building it back up with smaller, dirt track-style tank, classic circular headlight, and a traditional tracker-style tail and side number boards — the right of which boasts a cut-out to accommodate the routing of the boxer’s bespoke two-into-one exhaust. The handling has been upgraded via a front-end plucked from a K75 fit with new progressive springs and a pair of Ohlins shocks in the rear. Other noteworthy details include Mikuni carbs, a Fondseca quick-turn throttle, upgraded brakes, off-road pegs, LSL bars, a Motogadget speedo, and a push-to-start ignition button. To learn more about the build, dubbed the “R100 Tracker HP,” you can check out the sop’s website below.
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