Read the back of the bottle and go by the directions. Usually with an plastic tank on a MX/trail bike you should just drain the gas. If you have an aluminum tank you need to keep it in so it doesn't rust.
Read the back of the bottle and go by the directions. Usually with an plastic tank on a MX/trail bike you should just drain the gas. If you have an aluminum tank you need to keep it in so it doesn't rust.
