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Motorcycle Glossary Dictionary Term - Thumper

Thumper: A single cylinder four-cycle motorcycle engine is sometimes called a Thumper because of its distinct "thump, thump, thump" sound.

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Symbols, A - C: (2-Second Rule => Custom Motorcycles)

D - H: (Daytona => Hurt Report)

I - P: (Inline 4 => Pushrods)

Q - S: (Rake & Trail => Swing Arm)

T - Z: (T-Bone => Zen)

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