1. Locate the timing mark on the crankshaft. This is usually a small notch or line on the edge of the crankshaft pulley.
2. Align the timing mark on the crankshaft with the corresponding mark on the timing belt or chain cover.
3. If the timing marks are not aligned, you will need to adjust the timing belt or chain. To do this, loosen the bolts holding the timing belt or chain tensioner and move the tensioner in or out until the marks align.
4. Once the timing marks are aligned, tighten the bolts holding the timing belt or chain tensioner.
5. Start the engine and check the timing. If the engine is running smoothly, the timing is set correctly.
It's important to note that the exact timing settings will vary depending on the specific engine you have. Always refer to the manufacturer's specifications for your particular engine when setting the timing.