Pulse Air System: Description
All carbureted models are equipped with a Pulse Air System (also called Secondary Air Supply System). This system uses vacuum pulses in the exhaust manifold to draw air from the air cleaner to the exhaust manifold.
All carbureted models are equipped with a Pulse Air System (also called Secondary Air Supply System). This system uses vacuum pulses in the exhaust manifold to draw air from the air cleaner to the exhaust manifold.