* Oil filter wrench
* New oil filter
* Oil drain pan
* New oil (1.2 liters)
* Funnel
* Rags
* Screwdriver
* Pliers
1. Place the oil drain pan under the engine oil drain plug.
2. Loosen the oil drain plug with the wrench and allow the oil to drain completely.
3. Replace the oil drain plug and tighten it securely.
4. Remove the old oil filter with the oil filter wrench.
5. Apply a thin coat of new oil to the gasket of the new oil filter.
6. Screw on the new oil filter until it is snug.
7. Add new oil to the engine through the oil fill hole.
8. Use the funnel to add oil slowly, checking the oil level with the dipstick as you go.
9. Add oil until the oil level is between the "full" and "add" marks on the dipstick.
10. Start the engine and let it run for a few minutes.
11. Check for leaks around the oil drain plug and oil filter.
12. If there are no leaks, turn off the engine and recheck the oil level.
13. Add more oil if necessary.
Tips:
* Be sure to use the correct oil type and viscosity for your Yamaha Raptor 660.
* Do not overfill the engine with oil.
* If you are unable to stop the oil leak, you may need to take your Yamaha Raptor 660 to a mechanic.
