Step 1: What You Need
So all you will need is 2 cheap lighters, it must be the flint lighters, as shown in the picture.
Deconstruct the lighters to have all the small little parts by themselves
Step 2: Getting There
Firstly you need to take the two black pieces and stick them together with super glue.
Then take the gas outlet and make the exhaust pipes, purely for aesthetics
Then take the white pipe like thing and cut them short for the handle bars.
Step 3: Add the Rest
Add the rest of the parts as shown in the picture, this will enhance you to end up with the final product!!!
Enjoy and let me know