I changed the diode with one out of a CB650SC and it made no difference so my next step is disconnecting at the switch, Graham
On Mar 16, 2009, at 2:14 AM, Dennis Hammerl wrote: > or A diode will pass current in only one direction. If it fails and > passes in both, the bike indicator will always say N or conversly > think it's in gear.. too late to think clearly. Check it for > function. One way only. Not open both or closed both. > > --- On Mon, 3/16/09, Kyle K.K. <[email protected]> wrote: > From: Kyle K.K. <[email protected]> > Subject: [Nighthawk Lovers] Re: Nighthawk S starting problem > To: [email protected] > Date: Monday, March 16, 2009, 2:07 AM > > Thanks. On Mon, Mar 16, 2009 at 1:04 AM, Dennis Hammerl > <[email protected]> wrote: > Let's see... I do believe the light > is supposed to go on when it's in > neutral.. duh. > > Now after that bit of sport, remember the interlock that prevents > the bike > from starting unless the clutch lever is in if the > interlock has been told > the bike is in gear ? There is a diode in > the wiring harness under the gas > tank.. now does that start you > thinking Bunky ? > > --- On Mon, 3/16/09, Kyle K.K. > <[email protected]> wrote: > > From: Kyle K.K. > <[email protected]> > Subject: [Nighthawk Lovers] Re: Nighthawk > S starting problem > To: [email protected] > Date: > Monday, March 16, 2009, 1:53 AM > > Interesting. What about a N > indicator light that pops on when the clutch is > pulled in OR > when it's in Neutral? On Mon, Mar 16, 2009 at 12:38 AM, > Dennis > Hammerl <[email protected]> wrote: > Disconnect the wiring from > the > switch on the engine. Now what does it say ? > If it still > says N, there is > a short to ground somewhere above the switch. > > When the indivual circuits > are grounded, they indicate. The > display should > be off without any wires > connected to the > switch. I'm betting on a misplaced > wire. Some fools think > that > black wires and green ones are all grounds. > uhun... black is > 12V > (switched) , green is ground. Household wiring does not > apply. > > I have > two '86 700's ... I like the RWB models. Bought it new. > The other is > a BR > one. my first 700 was an '84 in BR. > > --- > On Mon, 3/16/09, Graham Rogers > <[email protected]> wrote: > > > From: Graham Rogers <[email protected]> > > Subject: [Nighthawk > Lovers] Re: Nighthawk S starting problem > To: > > [email protected] > Date: Monday, March 16, 2009, > 12:51 AM >> > I wondered if anyone would notice Dennis. It's an > '86. When I bought > it, > the tank had been replaced with an > '85. I had the side covers and > tail > > piece painted and decided to go with 85 decals for two reasons. > The > ones on > the tank were good and I prefer the 85 cosmetics > over the '86. Now > I'm ready > to fix the N/gear indicator light > problem (always staying on N). > Where do I > start? Graham > On > Mar 15, 2009, at 9:01 PM, Dennis Hammerl > wrote: > > It's an > interesting bike. What year is it supposed to be ? The > cosmetics > are > '85, the wheels are '86. The motor might have been painted ? > > but they look > like '86 too. '84 and '85 have polished rims and > cylinder > fins and head > cover. '86 is all black. > > --- On Sun, > 3/15/09, Graham > Rogers <[email protected]> wrote: > > From: Graham > Rogers > <[email protected]> > Subject: [Nighthawk Lovers] Re: > Nighthawk S starting > problem > To: > [email protected] > Date: Sunday, March 15, > 2009, > 5:07 AM > > I don't know. There > was red lettering on the ends, they > were peeling so I > took > them off. Could they have been FZ, F something I > think? > On Mar > 15, 2009, at 12:58 AM, Dennis Hammerl wrote: > > Pretty > > motorcycle. Very handsome. What make slip-ons ? > > --- On Sat, > 3/14/09, > Graham Rogers <[email protected]> wrote: > > From: Graham > Rogers > <[email protected]> > Subject: [Nighthawk Lovers] Re: > Nighthawk S starting > problem > To: > [email protected] > Date: Saturday, March 14, > > 2009, 8:07 PM > > Here's the Nighthawk in question - I've solved > the choke > problem (it was in > the carbs dummy). Thanks to > Dennis. Now I have a > sticking front caliper > and the N light > always on. At least now it starts > at the > touch of the > > button, kiwi > <#1> > On Feb 25, 2009, at 5:49 PM, Kyle Munz > > wrote: > > I can remember fighting this same > problem on my dirtbike as a > kid. After > finding the solution I > bought a sticker for the bike that read > "Turn the gas > on > dummy!". Not to say you're a dummy, but the problem does > sound > like a > lack of fuel somewhere along the line. > > -Kyle > > > On > > Wed, Feb 25, 2009 at 5:46 PM, Graham Rogers <[email protected]> > wrote: >> >> > I cranked the motor over - it tried to start, at > least on one or two cyl. >>> Then I checked the plugs. They were > dry on the tips and porcelain but a >>> little wet on the rim of > the plug. It didn't smell like gas however. I >>> then tried to > start the bike with my hand restricting the air flow at the >>> air > filter. It did start but died when I moved my 'hand choke' I > > probably >> could have gotten it started that > way. So, it looks > like the choke isn't >> working eh? Now what? >> Graham > >>> On Feb 25, 2009, at 12:21 AM, Dennis Hammerl wrote: >> >> > Spraying it > optimizes the conditions needed for starting. > Which... means >> the chokes > aren't working. If it has a strong > vacuum when cranking if you >> hold your > hand over any carb > throat, the chokes aren't passing any fuel. WHY >> ? The > "gas > chokes" are very simple valve devices. If they have access to >> > fuel > from the float chamber and they are open to the bores when > activated, >> all > should work. With the throttle plates closed, > the high vacuum (or , more >> > properly, low pressure) should draw > fuel up through the choke circuits and >>> into the motor. It's as > simple as a faucet. I don't want to get into any >>> abstract at > this point. Are the plugs getting wet when you crank the > motor >> > with the chioke operated ? Knowing that is a > must before > proceding. If they > >> are, we look elsewhere. If not, we stay > in the carbs. >> >> > --- On Tue, 2/24/09, Graham Rogers <[email protected]> > wrote: >> > >> From: Graham Rogers <[email protected]> >> Subject: [Nighthawk > > Lovers] Re: Nighthawk S starting problem >> To: > > [email protected] >> Date: Tuesday, February 24, > 2009, 8:05 > AM >> >> Tried starting the bike this morning and > there doesn't seem to be > any >> improvement. It would 'bubble' > along like it was trying to catch (it > acted >> like a weak spark) > but again it took starting fluid and the choke > seemed not >> to > play apart. Once it had 'caught', restricting the air flow > > through the >> air filter with my hand significantly increased the > rpms. > Maybe I should >> also check the state of the battery huh? > >> Incidently I > noticed the fuel gauge didn't > work until I revved the > engine >> significantly and held the > revs. That was a new one to me, > Graham >> On Feb 23, 2009, at > 11:02 PM, Dennis Hammerl wrote: >> >> Let us > know how that works > out. The neutral wiring is grounded and that's >> why it > always > shows N / green light. Let's get into that later. You have >> > > multiple issues. One at a time. >> >> --- On Mon, 2/23/09, kiwi > > <[email protected]> wrote: >> >> From: kiwi <[email protected]> >> > Subject: > [Nighthawk Lovers] Re: Nighthawk S starting problem >> > To: "Nighthawk > Motorcycle Lovers!" > <[email protected]> >> Date: Monday, > February 23, > 2009, 1:16 PM >> >> Blasted those tiny holes that allow the gas > > through when using the >> choke with compressed air and >> spent 2 > hours > reinstalling the carbs. It >> still > took starting fluid to get the bike > started BUT, not very much > >> and the > choke worked a little. I'll see how it starts >> > tomorrow when >> it is > back to winter temperature. >> >> Second > problem with this NH >> is the > neutral/gear indicator. It reads > N >> all the time and won't show what gear > the bike is in. I > found a little >> black box under the tail section that I > think > is part of the >> N/gear >> >> indicator system. Is there a way > to > check it? >> Third problem should be simple. The left front > turn signal is >>> 'bright' when ignition is on but will not blink > when it should. The >> > others work as they should. That left > one shines a lot brighter than >> >> > the right front when > ignition is on. >> >> On Feb 22, 11:11 pm, Dennis > Hammerl > <[email protected]> wrote: >> > > I will assume your carb clean was a > complete operation. Let's > examine >> >> how the choke works. The cable opens > valves > that > will >> permit raw fuel to be >> sucked into the motor during > > cranking. Now, lets say that works fine.Your >> plugs >> should be > wet > after cranking for a short while. Y-N ? The most >> common > >> cause of >> > the plugs being dry after cranking is the > throttle plates being open too >> > far and >> >> causing > insufficient vacuum. Same as opening the throttle > while trying > >> to start. >> When the intake air flow is too low, no fuel > > will be drawn in from the >> choke >> circuit. If the plugs are > wet, you're > flooding the motor. >> >> > We start here. Additional > checks of compression > and a leak-down may be >> > in >> order. >> > > This may take > time to resolve. > Get at it. >> > >> > --- On Sun, 2/22/09, > Graham Rogers <[email protected]> > wrote: >> >> > From: Graham > Rogers <[email protected]> > >> > Subject: [Nighthawk Lovers] > Nighthawk S starting problem >> > To: > > [email protected] >> >> > Date: Sunday, February > 22, 2009, > 6:18 PM >> > >> > I have a 1986 Nighthawk S. It ran > before I got it but > always took >> > starter fluid in the air > filter >> to get it going. I > pulled the carbs >> > and >> >> > thoroughly cleaned them and used to > compressed air in all the >> > > holes. However the bike still will not start > without stater > fluid >> > and even then it takes along time with the fluid. > I > noticed that >> >> > using the choke seemed to make no difference > at all > so, > thinking that >> > perhaps the choke isn't working at all I > removed the > carbs again >> > (they are terrible to remove) and > did what I could toi > ensure the >> >> > choke was working right. > The mechanism moves as it > should and I used >> > compressed air > in the holes to the where I >> > presume the choke opens. >> >> > > Now, before I reinstall the carbs, any > suggestions? Could the >> > > problem have been the choke or is there > something else that > would >> > cause the same problem. By the way, once the >>> bike > was warmed up, it >> >> > ran fine - just when it's cold I have to > > use >> starting fluid, Graham >> >> >> >> >> >> >> >> >> >> >> > >> >> >> >> >> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en -~----------~----~----~----~------~----~------~--~---
