Head lights are H4 and Aux lights are H3. Right or wrong. Thanks in advance Oh
If ya know the wattage of both that would help also.

 

Head light is H4 but aux lights are the ones with a right angle base. Forget the number. Same bulb as H3 but the base is part of it. 35 watts stock.

 

I can only answer part of your question, because I do not have auxiliary lights. I just installed a sylvania Ultra Bright H4 bulb ob the headlight and I love it. So the headlight is H4. Don't know about the Aux. Lights.

 

You can buy a Aux light housing that takes a H3 bulb.
Honest Abe, Does that bulb put out a lot more light? I have been thinking on buying one.

 

This is the best bulb for the stock head light....PERIOD!!

http://store.candlepower.com/64205.html

Osram's 70/65W ultra high efficacy +50 H4 bulb, for motorcycles and special-service use, produces more light than any 60/55w bulb: 2000/1350 lumens, high/low beam. It is compatible with most stock wiring harnesses.

 

One of the UK bike mags, 'Ride', just did a review of H4 headlight bulbs. The 'Philips X-treme Power' came out on top, if you can get it over there.

 

How much higher wattage will the stock electrical system handle when it comes to headlight bulbs?

 

That's a good question. Anybody got an