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When Honda started the new 250cc six-cylinder factory machine at the Monza Grand Prix in 1964, the competitors had to warm up.
it is exactly what you think it is
The engine is a stunner, it is barely wider than the four-cylinder and immediately generates 60 hp. The crankshaft reaches an astronomical 18,000 revolutions per minute! The power is transferred to the seven-speed racing transmission via a multi-plate dry clutch and then via a chain to the rear wheel.
Mike Hailwood
1966 Isle of Man
Impressionen
source: wikipedia