| 摘要 |
A multi-cylinder four-stroke internal combustion engine enabling a method for on-the-fly switching between two or more firing orders. Switching to the new firing order is done without requiring any tear-down of the engine such as to swap camshafts. Switching can be triggered by the rider, or it can be triggered automatically per conditions such as selected gear, RPM range, track location, velocity, and the like.
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