How do you refill a lighter flame?

If you are asking how to refill a lighter with fuel, here are the steps you can follow:
1. Purchase the appropriate fuel for your lighter. Different types of lighters use different fuels, so be sure to get the right one for your lighter.
2. Hold the lighter upside down and locate the fuel inlet valve. This is usually on the bottom of the lighter and may be covered by a small screw or cap.
3. Use a small screwdriver or other tool to open the fuel inlet valve. Be careful not to damage the valve or surrounding area.
4. Insert the fuel canister into the valve and press down firmly to release the fuel. Be sure to hold the canister steady and avoid spraying fuel in other directions.
5. Keep refilling until the lighter's fuel chamber is full. Be careful not to overfill it.
6. Close the fuel inlet valve and replace any caps or screws that may have been removed.
7. Wait a few minutes before attempting to light the lighter. This will allow the fuel to settle and any excess to evaporate.
If your question was about adjusting the flame of a lighter, most lighters have a flame adjustment screw or dial located near the fuel inlet valve. Turning this screw or dial clockwise will decrease the flame size, while turning it counterclockwise will increase it. Adjust the flame to your desired height and then test it by lighting the lighter.