How do you set the injection timing for 2.5 Isuzu motor?

To set the injection timing for a 2.5 Isuzu motor, first ensure the engine is at top dead center (TDC) on the compression stroke for the number one cylinder. Then, align the timing marks on the injection pump with the corresponding marks on the engine or timing cover. Adjust the pump position as necessary to achieve the correct timing, typically specified in the vehicle's service manual. Finally, securely tighten the pump bolts and recheck the timing to ensure accuracy.