Motorcycle dynamic exhaust system

Power plants – Internal combustion engine with treatment or handling of... – Pulsed – timed – tuned or resonating exhaust

Reexamination Certificate

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Details

C060S287000, C060S324000

Reexamination Certificate

active

10881189

ABSTRACT:
The present invention provides a method of operating a dynamic exhaust system of a motorcycle engine. The method includes providing a valve in the exhaust system that is movable to direct exhaust gases between a first flow path through the exhaust system and a second flow path through the exhaust system. The method includes actuating the valve at a first speed to redirect exhaust gases from the first flow path to the second flow path and actuating the valve at a second speed greater than the first speed to redirect exhaust gases from the second flow path to the first flow path.

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