i haven't checked that kinked fule line, but it could be the case bc
recently i've been putting my hand down where carburators are and even in
that general area, trying to adjust the rpm and things like that..
On Fri, Aug 17, 2012 at 7:41 AM, Allen Thomas <althomas...@gmail.com> wrote:
> **
> Did you check for a kinked fuel line? I had the exact same thing happen to
> me. It died on the highway, I sat there for about 10 minutes and the bike
> started, rode it some more and it died again. Repeat, so I got off the
> highway and it worked fine. Pinched fuel line was the culprit.
> Sent via BlackBerry by AT&T
> ------------------------------
> *From: * vadik selo <uaby...@gmail.com>
> *Sender: * nighthawk_lovers@googlegroups.com
> *Date: *Thu, 16 Aug 2012 22:35:09 -0400
> *To: *<nighthawk_lovers@googlegroups.com>
> *ReplyTo: * nighthawk_lovers@googlegroups.com
> *Subject: *Re: [Nighthawk Lovers] Re: overheating?
>
> Ok thats good to know, i didn't know that increasing the rmp (idle) has
> nothing to do with the cruising rpm.
> Im learning.....
> I thought that high grade gas would be better bc its carburated....
> also, learning....
>
> so you agreeing that its an overheating problem....
>
> im gonna have to find another hot day and do a 30 highway ride just to see
> if i get the same issue,
> I put seafoam in the tank and topped it off as some have suggested...
> we'll see what happens,
> than you guys for the input.....
>
> On Thu, Aug 16, 2012 at 4:27 PM, surfswab <surfs...@gmail.com> wrote:
>
>> Increasing the idle to 1100 will have no effect on the rpms at 75 mph,
>> just the idle. Those are two different carb circuits. 1100 is the
>> idle speed the bike was designed to run while sitting still, so your
>> current 800 setting is too low.
>>
>> The 750 is combination air/oil cooled. Air flow across the engine
>> fins serves the primary cooling function when the bike is moving. The
>> little radiator mounted on the down tubes in front of the engine is an
>> auxiliary, or supplementary cooling system to cool the oil, both when
>> the bike is moving and when it's stationary.
>>
>> So it stands to reason that you want oil pumping as fast as possible
>> thru that radiator when the bike is not moving, such as the stop light
>> scenario you described. Especially after a high speed run, when
>> there's no longer air flow moving across the engine fins.
>>
>> Also, your choice of gas is overkill. The engine was designed to run
>> regular gas (87 octane). There's no advantage to running a higher
>> grade.
>>
>> Low fuel or crap in the fuel is probly a contributing factor as well,
>> but heat seems to me to be the primary culprit.
>>
>>
>>
>> On Aug 16, 10:19 am, vadik selo <uaby...@gmail.com> wrote:
>> > ok i will try increasing the rpm, but not sure if i'll get a chance to
>> ride
>> > that fast today...
>> > so than at 75 the rmp should be about 5.5K?
>> > is that right?
>> > that seems high
>> > will the bike be ok running that fast with high rpm?
>> > thanks
>> >
>> > PS. i always do high grade gas....
>> > also, so it is an overheating problem that it stalls like that?
>> >
>> >
>> >
>> > On Thu, Aug 16, 2012 at 8:27 AM, surfswab <surfs...@gmail.com> wrote:
>> > > +1 on the idle increase. Factory spec is 1100. That alone should
>> > > keep oil flowing thru your oil cooler at a faster rate, thus
>> > > dissipating engine heat more efficiently.
>> >
>> > > On Aug 15, 11:23 pm, vadik selo <uaby...@gmail.com> wrote:
>> > > > Hey guys,
>> > > > i was doing some riding on the highway (75mph constant) couple of
>> days
>> > > ago
>> > > > and today ('93 NH 750)probably about 50 miles and when i got off
>> the exit
>> > > > on the traffic light when my bike was in neutral it just stalled on
>> me.
>> > > It
>> > > > wouldn't idle like it would during short rides with much lesser
>> speed.
>> > > Is
>> > > > that an overheating problem? It was hot that one day, but today i
>> didn't
>> > > > think it was that hot, but it did it again. My idle rpm is about
>> 800,
>> > > but
>> > > > after a ride the rmp was so low...
>> > > > any comments?
>> >
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