Yep, cover and snorkel are installed as prescribed. No leaks and no air getting in except through the K&N.
-Kyle -Sent from Houston, TX, United States On Wed, Sep 9, 2009 at 9:31 PM, Graham Rogers <[email protected]> wrote: > Kyle, I guess this is already been covered - you are reinstalling the cover > and snorkel on the filter right? > > On Sep 9, 2009, at 9:20 PM, Kyle Munz wrote: > > I finally got back to my yogurt cup tuning. I cut it down so that the large > diameter of the yogurt cup was the same as the inside small diameter of the > K&N cone. Now it sits on the bottom of the cone snug against the pleats and > is about 3" below the opening of the cone. This really didn't make much > difference though with the lean popping behavior. Slightly worse than it was > with the full size cup, not quite as bad as just the straight K&N. So, since > I want the K&N to work, I guess this leaves the carbs. Before checking the > jet size, I'm wondering if it would be worth it to try quarter or eighth > turn adjustments to these? The PO said they were rebuilt carbs so it's > possible those aren't set right, especially since the limiter caps are all > removed. My buddy has the tiny carburetor drill bits for checking the jet > sizes. I'll see if I can't borrow those off of him. > > Pictures of the trimmed cup and mp3 of both the OEM airfilter and the K&N > are on my blog. http://munz.kicks-ass.net/nighthawk/?p=295 > > -Kyle > -Sent from Houston, TX, United States > > > On Fri, Sep 4, 2009 at 10:49 PM, Dennis Hammerl <[email protected]>wrote: > >> That's the largest cup I've seen so far in one of those. !! Mine is >> about 2/3 that size and truncated. Now, you have to admit it works. The >> remaining issue is still to be addressed. Get a small (stubby) Phillips >> screw driver and remove one of the outer float bowls (carbs on bike) and >> check the main jet size. Actually check the slow jet size too. The OEM is >> #115 and #35. What you are describing is happening during "transition" (from >> all jets as a collective to main) As the revs climb above the trouble zone >> and the air speed (that's what this is all about, remember?) increases >> enough to atomize a lot of fuel, it goes good. I'm not there and have no >> crystal ball, this is my best guess at this point. You have increased air >> speed a ton and it does run better. Now you have to dig in. Even if the jet >> sizes are correct, there is no reason to believe it. That's where sized >> wires come in. I can supply you with the the wire sizes (and wires) to check >> that they have / have not been reamed to some new size. your bike has been >> altered which you cannot deny. Does it go deeper ? Let's see. When you get >> it right, that gonzo cup might have to be replaced with a smaller one. From >> what you say, you've made great progress with your problem. The last little >> bit always takes the most work. You're gonna' get it right. Hang in there. >> >> Just a note, yogurt cups are for California models. 49 state models use >> soft drink cups. >> >> --- On *Fri, 9/4/09, Kyle Munz <[email protected]>* wrote: >> >> >> From: Kyle Munz <[email protected]> >> Subject: [Nighthawk Lovers] K&N filter saga continues. >> To: [email protected] >> Date: Friday, September 4, 2009, 10:41 PM >> >> >> Ok, Per Dennis' advice I reduced the interior volume of my cone-shaped K&N >> filter, and that definitely improved things but it's not quite perfect. >> I couldn't locate a dixie cup (when you *need* one they're nowhere >> around) so I went with an empty yogurt cup. Sorry, I don't know what flavor. >> Anyhow, this took the bike from popping constantly and barely climbing above >> 4grand to a bike that will actually start, idle, and rev. >> It still is off just a tad. The exhaust sounds a bit more "hollow" that it >> did before. Can't describe it better than that. >> I've recorded an audio file of the exhaust popping and posted it on my >> blog at http://munz.kicks-ass.net/nighthawk/?p=280 for anyone interested. >> It starts at 2K, moves up the 3K, then to 4K where it starts to pop a bit, >> and then starts to pop alot as I move up to 5K. After 5K it takes off like a >> champ and definitely has more power in the higher revs than it did before, >> but I want the lower RPM rideability I hear so much about ;) The end of the >> audio file is a quick rev up to 8K with no popping, it's just trying to >> sustain it between 4 and 5 that is kind of rough. >> >> So, do I keep tweaking my yogurt cups or is it time to monkey with the >> jets? I really don't want to monkey with the jets :) >> Also, all test rides were done with the lid and snorkel bolted in place. >> >> [image: K&N filter with yogurt cup >> modifier]<http://munz.kicks-ass.net/nighthawk/?attachment_id=281> >> >> >> -Kyle >> -Sent from Houston, TX, United States >> >> >> >> >> > > > > > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
