1. Remove the fuel tank.
2. Locate the spark plugs. They are located on the top of the cylinder head, under the valve cover.
3. Use the spark plug wrench to loosen the spark plugs.
4. Remove the spark plugs by hand.
5. Install new spark plugs by hand.
6. Tighten the spark plugs with the spark plug wrench.
7. Reinstall the valve cover and the fuel tank.