1. Check the oil level. Make sure there is no oil leakage. If necessary, top up to the upper mark (F).
2. Check the oil for contamination, water, discoloration or thinning. If the quality of the oil is poor, change it.
3. Replace the oil filter using a special tool. Tighten the new filter firmly by hand after installation.
4. After starting the engine, check for oil leaks, and after stopping the engine, recheck the oil level.