Re: [Nighthawk Lovers] New Member / 83' Nighthawk 550 Many Problems

[Robert James]

Thanks, yeah I could use a copy. The 550 had the square light according to 
everything I'm finding. This one has been through a lot, I imagine the last guy 
just threw some lights on that were laying around. I think the round light 
looks a little cooler, you're right about that 80's look, the square light 
really dates it

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Re: [Nighthawk Lovers] Charging/Electrical Issue

[Jenya Spektor]

Thanks guys - I did start a bike and when reviving the voltmeter shows 14 v or 
more. So I presume the charging system is working - it’s the battery that loses 
voltage during longer stop and go rides in the city. I’ll try to stop by the 
AAP to check it out. Is there anything specific I should be asking them for? 
And how do they test the batteries in the store? Thanks all!

Sent from my iPhone

> On Dec 1, 2019, at 5:38 PM, Darin Hatton  wrote:
> 
> 
> Hi Jenya,  
>   The easiest way for me to see what the charging system is doing is to set 
> multi meter to D C volts, put lead on battery with bike running. Should show 
> 12 + volts at idle and about 14.5 volts at about 5k rpms.  
> Darin
> 
>> On Sun, Dec 1, 2019, 1:13 PM Jenya Spektor  wrote:
>> I have followed the steps in the manual - my regulator reads 1 when I touch 
>> the yellow wires on the regulator side. I presume it needs to be 0, correct?
>> The stator side test shows 0.4.
>> Let me know what i should test next - unless this is a telltale of some 
>> trouble.
>> Jenya
>> 
>> 
>>> On Fri, Nov 29, 2019 at 7:00 PM Dave duChêne  wrote:
>>> Check the battery too, an internal issue can cause rapid discharge. Cheaper 
>>> to replace also.
>>> Dave
>>> 
>>> 
 On Fri, 29 Nov 2019 at 19:56, Darin Hatton  wrote:
 Hi jenya, dont forget to check stator. Easily done with meter.  D
 
> On Fri, Nov 29, 2019, 1:25 PM Kyle Munz  wrote:
> There are steps in the shop manual for testing the R/R, it should be 
> tested before just being replaced. If it does test bad I think we all 
> pretty much agree that Rick's has the best replacement parts.
> https://ricksmotorsportelectrics.com/
> 
> -Kyle
> 
> 
>> On Fri, Nov 29, 2019 at 11:55 AM Jenya Spektor  
>> wrote:
>> Hey fellow owners!
>> I have a question (just to validate my assumption). Recently I went on a 
>> few rides that lasted for an hour or so (and I had to stop and turn the 
>> bike on and off for quite a few times). Well the battery that was fully 
>> charged when leaving the house would drop down to 11V and the bike would 
>> not start. 
>> The bike starts right up no problem.
>> By the way it's acting, it might be the regulator/rectifier not charging 
>> the battery. 
>> I would like to ask if you guys have any recommendations on a 
>> replacement part that is a more modern (maybe two in one)?
>> Thank you in advance.
>> Jenya
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>> 
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>> Jenya Spektor
>> 917.202.3080
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Re: [Nighthawk Lovers] New Member / 83' Nighthawk 550 Many Problems

[doug jones]

Rob

  Those side covers are on ebay from people who are parting out their 
bikes. I have seen them keep checking back on ebay. Also my bike is a 
CB650SC and there were a few models that year so it appear to be the same 
frame and motor but I do believe the 550 had a round instrument cluster and 
head light. In 1983 when I saw the square head light/instrument cluster, I 
thought Man that is cool cause no one else has ever done that. But it 
really is 1980's dated. I mean it really looks like Don Johnson Miami Vice 
is ridding the bike. I put the wiring diagram up on this site for my bike 
and I am betting it is the same for yours, if you need a copy I can email 
you one. let me know

Dougjones

On Friday, December 6, 2019 at 6:07:37 PM UTC-5, Robert James wrote:
>
> Thanks for the advice. It is an 83 but someone has swapped in a round 
> headlight, a different bracket, and round signal lights all around. 83 
> according to title and as best I can tell the engine serial number as well. 
> Plus the side covers - mine is missing the right cover (of course). 
> Probably will need to make one, as they are made of unobtainium, apparently.
>
> On Thursday, December 5, 2019 at 6:32:55 PM UTC-7, doug jones wrote:
>>
>> Rob
>>
>>   I purchased one for about 40 bucks so look around that one for 70 looks 
>> right but you can find it for less. Also I found motorcycles aren't like 
>> car's that relay can't take a lot of punishment -or so I found when I 
>> burned one. Do short bursts of trying to start the bike not long ones like 
>>  you would to start a car in ice weather that wouldn't start. What Year is 
>> that  bike 1982 or 1985 because my 1983 has square head lights but 
>> that might be for the 650 now the 550 like you have
>>
>> Welcome to the group 
>>
>> Dougjones
>>
>> On Wed, Dec 4, 2019 at 10:15 PM 'Bernard Frank' via Nighthawk Motorcycle 
>> Lovers!  wrote:
>>
>>> Welcome: Does it Run? 
>>>
>>> Low mileage!  
>>>
>>> -Bernie
>>>
>>>
>>> -Original Message-
>>> From: Robert James 
>>> To: Nighthawk Motorcycle Lovers! 
>>> Sent: Wed, Dec 4, 2019 5:48 pm
>>> Subject: [Nighthawk Lovers] 83 Nighthawk 550 Many Problems
>>>
>>> https://photos.app.goo.gl/UD9UzsFTCaDsBGnaA
>>>
>>> Picked this up on the kinda cheap and was glad to find this group, as 
>>> I'm hoping to do a full resto-mod to it in time. 
>>>
>>> My first question that I was hoping might get answered here, is about 
>>> the starter relay. Mine is out (apparently, as when using the button power 
>>> drops out but starter doesn't crank), and the prior owner was simply arcing 
>>> the battery to one side of the relay (as can be seen in the photo). I found 
>>> this:
>>> https://www.partzilla.com/product/honda/35850-MB0-007 but was wondering 
>>> if it will for sure work due to the difference in appearance, or if I 
>>> should check something else first, as that is rather expensive. Also, if I 
>>> just google "83 nighthawk starter relay" I get an item that is much 
>>> cheaper, but looks even more different. 
>>> https://www.dbelectrical.com/products/starter-solenoid-relay-for-honda-motorcycle-nighthawk-shadow-many.html?=1145=3348053656_id=SMU6096=1o2=196254016515=c==g=EAIaIQobChMI5fj4nPuc5gIVStbACh1cnwTdEAQYAiABEgJlP_D_BwE=aw.ds
>>> Will something like that work just as well? This is just the first in a 
>>> long list of electrical issues, but I'd like to start out on the right 
>>> foot. 
>>>
>>> Thanks in advance, I have enjoyed reading through these posts! And 
>>> thanks for the manuals!!
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>>> 
>>> .
>>>
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>>>  
>>> 
>>> .
>>>
>>

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