How do you do timing on 1996 opel corsa 1400?

To set the timing on a 1996 Opel Corsa 1400, first ensure the engine is at top dead center (TDC) on the compression stroke for cylinder one. Check the timing marks on the crankshaft pulley and the timing cover; align them to the specified TDC mark. Then, adjust the distributor or ignition timing as needed, usually by loosening the distributor clamp and rotating it until the timing light indicates the correct timing as specified in the manual. Finally, tighten the distributor clamp and recheck the timing if necessary.