The oil plug in a 1986 Suzuki Intruder 1400 is located on the bottom of the engine, near the front. It is a 17mm hex head bolt.
To drain the oil from the engine, follow these steps:
1. Place an oil pan under the drain plug.
2. Use a 17mm wrench to loosen the drain plug.
3. Allow the oil to drain completely.
4. Replace the drain plug and tighten it securely.
Note: Some models of the Suzuki Intruder 1400 have a second drain plug located near the rear of the engine. Check the service manual for your model to determine if it has a second drain plug.
