tips on straightneing headlight frame?

[MC680x0]

For anyone who tries this, dont bother - i focd around all day yesterday, had front end off , clocks out , spirit levels on the frame and tape measured up, fairing on and off seven times ... no joy, still not lining up straight. focd off so went here and got a new one delivered for £60 after a hour or so with google translate !
http://www.motobouracky.cz/