Huh? On Saturday, August 2, 2014 1:49:57 PM UTC-5, Allen wrote: > > That motor revs to 10k rpms, use them. 5-6k is the normal running speed. > > Allen Thomas > On Aug 2, 2014 2:01 PM, "Shari K" <[email protected] <javascript:>> wrote: > >> I'm wondering if you have any advice for me on the Honda 550 that I'm >> working on. I ran a can of sea foam through it (gas tank, crankcase, and >> in through the carbs). Now it runs, but it won't run below 3000 rpm >> without the choke on. Above 3000 rpm it runs great. If you are cruising >> at say 2500 rpm, and open the throttle, it sputters until it gradually >> works its way up to about 3000 rpm. I think a couple of the cylinders >> aren't even making power at that point. Once it hits 3000 rpm, everything >> changes fast, the power comes on strong, and it runs great. >> >> I cleaned out the carbs when I had them off the bike, although they >> didn't look that bad when I had them apart. The fact that it runs fine at >> low rpm as long as the choke is on leads me to believe its starving for gas >> on those cylinders...which makes me think low speed jets. Still, I did >> clean it out and it didn't look bad, so I question this conclusion. The >> main jets are attached to the CV slides, and the whole thing is vacuum >> actuated. (The throttle controls the butterflies). Is it possible that >> the slides (and main jets) are sticking closed? They looked good when I >> had them apart, and I did put a light coat of WD40 on them when I had them >> apart to make sure they slide OK. If they were sticking would them come >> unstuck so consistently at 3000 rpm? So far besides cleaning the carbs, >> I've verified the compression is good, installed new plugs, added >> gas stabilizer, and cleaned the carbs twice. >> >> I'm kind of pulling my hair out trying to figure this one out, and the >> bike is ready to go except for this problem. Do you have any ideas for >> me? >> >> Thanks for any thoughts you might have. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Nighthawk Motorcycle Lovers!" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at http://groups.google.com/group/nighthawk_lovers. >> For more options, visit https://groups.google.com/d/optout. >> >
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