I'd use an ammeter to check break-even with that set-up first. Too high ? too 
much load. LED taillight would help off-set it. Brake light alone is huge draw. 
I suggest running an ammeter check and observing all combination's of lights / 
rev ranges to become familiar with actual operating of charge system. I use an 
80W bulb on my VF11 and it moved the break-even up several hundred RPM. Still 
not a problem with the bikes higher output system but it was a consideration. 
10~20 minutes spent checking draw of lighting may save miles of walking. 




________________________________
From: Anthony <[email protected]>
To: Nighthawk Motorcycle Lovers! <[email protected]>
Sent: Tue, March 30, 2010 11:39:52 PM
Subject: [Nighthawk Lovers] Re: Honda 599 Headlight

Good point.  I never considered the additional load.
>From what I have read the alternator has an output of 220 Watts, with
120 of them avail for additional load.  The only additional load from
stock is a Signal Dynamics LED license plate frame.  Most of the time
be running the high beam when I will be over 3000 RPM.   If it ends up
being an issue I will remove the diode to make the high beam one bulb
vs both bulbs.  Time to find a voltmeter to install on the bike.

On Mar 30, 10:31 pm, Dennis Hammerl <[email protected]> wrote:
> I have doubts about the charging system handling that load. Does work into an 
> 80 watt headlight. 110~130 ??? stock is 55
>
> ________________________________
> From: Anthony <[email protected]>
> To: Nighthawk Motorcycle Lovers! <[email protected]>
> Sent: Tue, March 30, 2010 9:30:48 AM
> Subject: [Nighthawk Lovers] Re: Honda 599 Headlight
>
> I got the light mounted using the existing brackets.  I had to cut off
> the stock horn bracket and raise the gauges about 3/4".  I will post a
> photo when the weather gets nice in NY.  I can't wait to try it out at
> night.   With the high beams on, I am sure I am going to get
> significant voltage drop since both bulbs are lit (110W total, 130W if
> I replace the H11 bulbs with H9's).  To solve that I am going to order
> a headlight harness from Eastern Beaver.
>
> On Mar 27, 9:54 am, Anthony <[email protected]> wrote:
>
> > Has anyone put a Honda 599 headlight on a Nighthawk 750? I got a 2004
> > 599 Headlight & bucket.  The 599 headlight bucket is deeper than the
> > Nighthawk's.  If I use the existing brackets, the bucket interferes
> > with the gauges.  Any one have any suggestions besides going with
> > universal brackets.
>
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