Cars & Vehicles Auto Parts & Maintenance & Repairs

How to Set the Timing on Shovelhead Points

    • 1). Remove the spark plugs, the timing port plug (on the left side of the engine case between the cylinders) and the timing cover (on the right side of the engine case).

    • 2). Place your thumb over the front-cylinder spark plug hole and kick the engine over slowly with the kick starter. Stop when you feel pressure on your thumb. This indicates that the front piston is approaching TDC (top dead center) of the compression stroke.

    • 3). Look in the timing port and continue to slowly kick over the engine until the advance mark (vertical line) is centered in the port.

    • 4). Connect the red lead of the test lamp to the negative coil terminal, and the black lead to a good ground. Turn on the ignition switch.

    • 5). Sit on the ground facing the timing mechanism. Loosen the timing plate screws.

    • 6). Reach into the timing mechanism and grasp the point cam, which is in the center of the mechanism. Twist the point cam counterclockwise until it stops. Hold it in that position while you move the points plate (the round plate that the points are mounted on) counterclockwise until the test lamp lights.

    • 7). Turn the points plate slowly clockwise while holding the points cam counterclockwise. Stop as soon as the test lamp goes out. Tighten the timing plate screws to lock the adjustment.

    • 8). Turn off the ignition switch. Replace the timing cover, timing port plug and spark plugs.

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