1. Valve Cover Gasket: The valve cover gasket is located at the top of the engine and seals the valve cover to the cylinder head. If this gasket is damaged or worn, it can cause oil to leak out.
2. Spark Plug Tube Seals: The spark plug tubes are located on the top of the engine and house the spark plugs. Each spark plug tube has a rubber seal that can deteriorate over time, causing oil to leak out.
3. Cylinder Head Gasket: The cylinder head gasket is located between the cylinder head and the engine block. If this gasket is damaged or blown, it can cause oil to leak out from the top of the engine.
4. Cam Chain Tensioner: The cam chain tensioner is located on the front of the engine and is responsible for keeping the cam chain tight. If the gasket or seal on the cam chain tensioner fails, it can cause oil to leak out.
To determine the exact source of the leak, you will need to inspect the area carefully. Look for any visible signs of oil leaking, such as drips or stains. You may also want to use a flashlight or mirror to help you see better in tight spaces.
Once you have identified the source of the leak, you can then replace the faulty gasket or seal. Be sure to use a high-quality gasket or seal that is specifically designed for your 250 Bear Tracker.
