| 摘要 |
A fuel valve is provided in the Diesel fuel supply line to a cylinder to be deactivated. A return fuel line is provided and when the fuel valve is closed the fuel is returned to the fuel supply tank. In open position fuel is directed to the top portion of the cylinder. The cylinder is provided with a conventional exhaust valve. However, the intake valve is modified to be located closer to the top of the cylinder. The previous gap of about ¼ inch is reduced to about 0.005 to 0.015 inches. This allows the intake valve to remain open instead of closed as the piston moves upwardly in a deactivated cylinder when the exhaust valve is closed, to allow air to enter the intake valve in the full up position of the piston. This valve system e located in all Diesel engines including Diesel powered motocycles.
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