Dim headlights 18 watt bulbs

[toms_longbo]

I have very dim headlights on my 2007 Longbo 150 cc scooter. I ride to work early morning so I am looking for recommendations on headlight bulb upgrades. Can I use 33 watt H4 bulbs instead of the stock 18 watt ones with out worrying about them getting to hot? Or should I switch to LED ones that would be brighter but also loose some of the light angle. Also what is the best measurements for adjusting the headlight aim? Thank you for the help.

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