Engine Top Dead Center Pointer

The Engine Top Dead Center (TDC) Pointer is a reference point used in engine timing and ignition systems. It is a marker or indicator that helps identify the position of the piston at top dead center.

Top dead center refers to the point in the engine's four-stroke cycle where the piston is at its highest position in the cylinder. This is the point where the combustion process begins, and it is crucial for proper engine timing and ignition.

The TDC pointer is typically a small, adjustable pointer or mark located near the engine's harmonic balancer or flywheel. It is used in conjunction with other timing marks on the engine to accurately set the ignition timing or perform other engine adjustments.

By aligning the TDC pointer with the corresponding timing mark on the engine, mechanics and technicians can ensure that the engine is properly timed and that the spark plug fires at the correct moment during the combustion process.

It is important to consult the specific engine manufacturer's instructions or service manual for the correct procedure to locate and use the TDC pointer on a particular engine model.