FN Four

FN Four vintage motorcycle

In terms of breakthroughs in the history of motorcycling, there cannot be many to rival the first in-line four engine. Belgium was the birthplace of this landmark layout. FN was the much-to-be-thanked manufacturer.

The FN Four first hit the highway in 1911. It produced 4bhp. That, from a 491 cc capacity. At the time, such figures described state-of-the-art technology. Top speed for the FN Four was 40mph. Not bad - for an 8-valve inlet-over-exhaust set-up. Oh, it was air-cooled.

The FN Four was light - tipping the scales at 165lb dry. Not only the motor, but the chassis, too, was avant-garde. It featured an early form of telescopic forks. A new-fangled clutch - and 2-speed 'box - only added to the FN Four's slick box of tricks. Solid shaft-drive output the power. Who, then, designed this visionary vintage? You will not hear the name Paul Kelekom shouted from motorcycling's rooftops. But, you should - for it was he who fashioned the FN Four. In so doing, he kick-started a craze for fast, four-cylinder motorbikes. It is still going pretty strong today!

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