The 1961 Honda RC144 was an experiment by Honda, and one of the few racers that was not a success.
It had a long stroke engine with a bore and stroke of 42 x 45 mm, with the cylinders inclined under 10 degrees, and with two valves per cylinder. The engine had wet sump lubrication and a six-speed gearbox.
Claimed output was 22 bhp at 13,000 rpm. It was only raced once, in the German GP. One still exists in the Honda collection hall. Honda themselves call it an "unfortunate" bike. All other races that year used the 2RC143.
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