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SlashGear
slashgear.com > 2242542 > why-are-single-cylinder-engines-motorcycles-called-thumpers

Why Are Single Cylinder Motorcycle Engines Called 'Thumpers'?

2+ week, 2+ day ago   (238+ words) SlashGear Why Are Single Cylinder Motorcycle Engines Called 'Thumpers'? If you've ever encountered a motorcycle powered by a single-cylinder engine, chances are you already have an inkling as to why they're called "thumpers." The answer is simple: Thumpers are so…...