Singles, twins, triples, and fours all sound different. Then there is the difference between an inline and a V motor. The crossplane R1 has an uneven firing order and so sounds different from all the other inline 4's.
A Harley sounds different from a Ducati because the Harley is a 60 degree V-twin where the Duc is a 90 degree V-twin. A Ninja 250 is a parallel twin and so sounds completely different still.




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