We keep wondering why our inbox is flooded with classic BMWs. Now WalzWerk Racing have provided a clue: you can turn an airhead into just about anything.
?We call our BMW series Schizzo,? says owner Marcus Walz, ?because it?s schizophrenic how many possibilities there are to build up a bike on the same simple base.?

WaltzWerk know better than most: they’ve racked up an impressive eleven Schizzo scramblers this year alone. Now they’ve changed direction with their first Schizzo cafe racer?based on a 1984 BMW R80 RT Monolever.
At a glance, it appears to be a simple machine. But Marcus and his team aren’t known for doing things in half measures. ?Like always, we took the bike totally apart and built it from the ground up with about 90% new parts,? he explains.
?We only re-used the main frame, the engine and transmission case, the wheels and the gas tank. The rest is pretty much brand new. So you can say it?s a brand new bike with an old title!?
Most of the budget went into the engine. Starting with a R100 RS mill, WalzWerk installed a 1070cc kit from Siebenrock with lighter pistons and cylinders. They also added their own electronic ignition, new cylinder heads with bigger valves and upgraded valve guides, a racing cam and rods, and a balanced, forged crank shaft. Oh, and they fettled the carbs too.

A solid round of dyno testing and tuning returned a healthy 82 horses at the rear wheel. That’s a lot of heft for an old airhead?so WalzWerk reinforc...