Eurika!! I reread the K&N instructions and realised I needed to put snorkel back on and I was running it without it. It runs fine with the Snorkel back on!!!
THANKS FOR ALL YOUR HELP!!! I learned a lot in the process!!! On Mar 29, 3:49 pm, Snookfever <[email protected]> wrote: > I did not find anything in the slow jets. I did find some particles in > the bowls. However when looking through them the oppening did not > appear to be perfectly round. Could be optical illusion. I did have to > work the wire a few times before it would go back and forth easily. I > did not inspect the mains. No poping just bogged down when you turned > throttel above 3-4k. The K&N is cone shaped. The K&N instructions > call for the removal of the snorkel and to flip the lid and bolt it > down. That is what I did. Are you saying leave snokel and mount lid as > factory? > > With the wired slow jets it takes off without hesitation now. THANKS! > > When I first start it and warm it up it seems to respond to throttle > better and smoother with a little choke. No choke it will pop and > break up a bit at the top 7-8K when you snap the throttle. > > Thanks for the help we are making improvements. > > Raining today so cant ride, will try a little choke and check back as > soon as I can. > > Thanks for all your help > > On Mar 28, 12:07 am, Dennis Hammerl <[email protected]> wrote: > > > > > Find anything in the slow jets ? How about the brass tubes above the mains > > ? At 3~4K you start to depend on the next circuits to supply fuel. Since > > these have enricheners and not chokes, you can add some choke to make it > > run richer. Now if that helps, increase the main jets to 120. You don't > > specify if the stumble is just that or it is popping. ?? A pop is a good > > indication of lean. If it truly is that lean, you could'nt get it to go > > above 5k at all. Getting it up there slowly means to me (IMHO) that the air > > speed is too slow to pick off fuel. That's where the choke addition comes > > in. If that makes it worse, let me know. A high air flow filter actually > > causes a slowing of the flow. Untill they repeal the laws of physics (Obama > > just might) high speed air works best. You do have the lid on the air box ? > > With the snorkle ? I hope so. A complete air box is vital. > > One more thing, is this K&N cone shaped ? > > > --- On Fri, 3/27/09, Snookfever <[email protected]> wrote: > > From: Snookfever <[email protected]> > > Subject: [Nighthawk Lovers] Re: 1984 Nighthawk 700s K&N Air filter > > To: "Nighthawk Motorcycle Lovers!" <[email protected]> > > Date: Friday, March 27, 2009, 12:56 PM > > > Ok, I wired the slow jets,put the K&N air filter in. I found some > > particles in the bottom of the carbs so I added an in line fuel > > filter. > > > It ran fine at idle. Take off was ok. When you open the throttle from > > 3k to 4K it sputtered, could not get to 5 K and beyond without very > > gradual throttle turn. > > > Plug Test: > > > Cleaned number 1 and 4 plug and replaced. Both were brown on one side > > and white on the other > > > Pulled plugs after 1 mile ride and no real color change from cleaned > > look. > > > What now? > > > Glen > > > On Mar 22, 6:38 pm, Dennis Hammerl <[email protected]> wrote:> If you > > can't pass a wire through it, it isn't clean. That's > > > what I mean. The wire size is .0011" for a #35 slow jet. I don't care > > if you can blow through it, see through it,etc. If a .0011" wire > > doesn't pass through it, NG.> If you want it to work with a K&N, test that > > way. > > > > --- On Sun, 3/22/09, Snookfever <[email protected]> wrote: > > > From: Snookfever <[email protected]> > > > Subject: [Nighthawk Lovers] Re: 1984 Nighthawk 700s K&N Air filter > > > To: "Nighthawk Motorcycle Lovers!" > > > <[email protected]>> Date: Sunday, March 22, 2009, 2:19 AM > > > > What do you mean by did I wire out the slow jet? I soked them in > > > acetone and blew them out with compressed air. I pulled number 4 plug > > > it was light tan on the insulation with some black on the threads. > > > Should I run the plug test with the stock filter or the K&N? > > > > On Mar 21, 3:03 pm, Dennis Hammerl <[email protected]> wrote:> > > > Did you wire out the slow jet ? And yes, I have a method of enriching a > > > > K&N filter. I have one in one of my 700s and it required no changes > > but I > > > did a neat stunt and gave it more bottom end. My 700s pulls hard from 2K > > up. > > > Made huge difference for me. I granny around a lot and spend too much time > > in > > > traffic. Less shifting now. To understand it, you need to grasp air flow > > > dynamics. The British did some good research on it back in the 50's. > > Get it > > > to work right first. > > > > > --- On Sat, 3/21/09, Snookfever <[email protected]> > > wrote: > > > > From: Snookfever <[email protected]> > > > > Subject: [Nighthawk Lovers] Re: 1984 Nighthawk 700s K&N Air > > filter > > > > To: "Nighthawk Motorcycle Lovers!" > > > > <[email protected]> > > > > > Date: Saturday, March 21, 2009, 9:57 AM > > > > > I am very meticulous so I completely tore down the carbs and cleaned > > > > evey single part individually including pilot, needle,main jets, > > > > choke, every part. I was careful to put the same part back in the > > > > same carbs. I also disasembled and cleaned the petcock and screen. > > I > > > > blew every part dry with compressed air, I replaced O-rings and > > > > reasembled. The factory air filter is relatively new. > > > > > I installed the K&N as instructed and removed the snorkel flipped > > the > > > > lid and installed. With the factory air box it idles perfect, but > > does > > > > hesitate just a little at take off. I will perform the spark plug > > > > check and get back to you, but when I pulled one they were lite > > > > colored. Looks like she is running a little lean. If that is the > > case > > > > what do you do to enrich? > > > > > Thanks for the help > > > > > On Mar 20, 12:55 am, Dennis Hammerl <[email protected]> > > wrote:> > > > > Above 5k it runs mostly on the mains. I expected you to say right off idle > > > > > when pulling out. If you really cleaned the carbs, how ?> Now to > > do a > > > > defined search for your problem. Ride the bike at the problem > > > > > RPM for several minutes.put up with all it's actions. Ride it for > > at > > > least a > > > > half mile that way. Pull the clutch and shut it down with the kill > > switch. > > > Pull > > > > over and remove some plugs. White ? brown ?, black ?> Take a > > picture > > > > and forward. A plug reading, done right will indicate the > > > > > nature of the problem.> From what you tell me about the tank rust > > > > problem, I suspect the supply is > > > > > poor to the carbs. The original air filter (especially if it was > > somewhat > > > dirty) > > > > would be a compliment to a poor delivery system. The K&N, passing > > more > > > air, > > > > would not. In other words.. lean, white plugs. Main jets are not > > likely to > > > ever > > > > clog, but with an inadequate fuel supply the condition you describe > > would > > > be > > > > expected.> One last point for this post, are you installing the > > K&N > > > with the > > > > > air-box lid ? Very tempting to do. It sounds neat, but runs poorly. > > > > > > --- On Thu, 3/19/09, Snookfever <[email protected]> > > > wrote: > > > > > From: Snookfever <[email protected]> > > > > > Subject: [Nighthawk Lovers] Re: 1984 Nighthawk 700s K&N Air > > > filter > > > > > To: "Nighthawk Motorcycle Lovers!" > > > > > <[email protected]> > > > > > > Date: Thursday, March 19, 2009, 1:13 AM > > > > > > Dennis, > > > > > > Withe the K&N It is not responsive,bogs down when > > accelerating. > > > I do > > > > > not remember the exact RPM range, but I think above 5K so maybe > > > > > midrange. I discovered rust in the fuel tank (fuel on pant > > leg) a > > > few > > > > > week after I got the bike. The carbs looked like they were > > painted > > > > > red with the rust particles. I redid the tank with KBS > > coatings and > > > > > did a complete carb breakdown and cleaning and the carbs looked > > > great. > > > > > I sinked the butterflies manually with the stem of a micrometer > > and > > > it > > > > > ran great. > > > > > > With the OEM filter It does take a few minutes to warm up or it > > will > > > > > want to die at take off. I have a shop manual and reset the > > pilots > > > the > > > > > same number of turn as they were set from the factory. > > > > > > On Mar 19, 12:27 am, Dennis Hammerl <[email protected]> > > > wrote:> > > > > > If you can describe what crap runs like, maybe I can help. By > > themselves, > > > > > > K&N filters do not affect anything. Great replacements > > (sorry > > > Stanley) > > > > > Installed properly, they require no rejetting. Mine works fine. > > > > > > > --- On Wed, 3/18/09, Snookfever > > > <[email protected]> > > > > > wrote: > > > > > > From: Snookfever <[email protected]> > > > > > > Subject: [Nighthawk Lovers] 1984 Nighthawk 700s K&N Air > > > filter > > > > > > To: "Nighthawk Motorcycle Lovers!" > > > > > > <[email protected]> > > > > > > > Date: Wednesday, March 18, 2009, 11:14 PM > > > > > > > I bought a K&N air filter, but it makes the bike run > > like > > > crap. > > > > What > > > > > > do I need to do the carbs? > > > > > > > Looking for a nose cone for my 700S, where can I find one? > > > > > > > Sincerely, > > > > > > > Snookfever2- Hide quoted text - > > > > > > - Show quoted text -- Hide quoted text - > > > > > - Show quoted text -- Hide quoted text - > > > > > - Show quoted text -- Hide quoted text - > > > > - Show quoted text -- Hide quoted text - > > > > - Show quoted text -- Hide quoted text - > > > - Show quoted text -- Hide quoted text - > > > - Show quoted text -- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. 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