Glenn, download this it tell you everything you need to know. https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCUQFjABahUKEwiE64aOzv3IAhUCQSYKHdHOAZ4&url=http%3A%2F%2Fxa.yimg.com%2Fkq%2Fgroups%2F8721981%2F734811313%2Fname%2FPD46A_rebuild_rev_B.pdf&usg=AFQjCNGrghYShC21dlNR7IvIg7DognNWng&sig2=KIGgFQChb1WHH3jA1Ly12g&bvm=bv.106923889,d.eWE
If that doesn't work I'll upload to my google drive so let me know. On Sat, Nov 7, 2015 at 1:04 AM, Allen Thomas <[email protected]> wrote: > Sorry Graham, I didn't mean to steal your thunder, lol. Yes those are > slide carbs. > Glenn, yours are definitely not Mikuni's, they are Keihin PD series, Honda > has a long standing use of their carbs. But I would expect from your chart > there that the mystery screw is the Air screw opening. So opening it up > would lean the mixture not richen it. A bit unusual for MC carbs but I have > seen cars go both ways on their mixture screws. This is also backed up by > this post on the SOHC4 forum: > http://forums.sohc4.net/index.php?topic=5410.0 > > As for the pilot jets they are press fit and not screwed in, and that is > why you don't see them Dime city and probably other places like jetsrus > sell them I've never had to work on these types but if I recall you can get > them to fall out by baking the carbs then spraying freon on the jets. > Unless you changed the exhaust or modified the airbox this it is highly > unlikely you need bother with that. Here is a link to dime city for a > visual on the jet. > http://www.dimecitycycles.com/vintage-cafe-racer-caferacer-bobber-brat-chopper-custom-motorcycle-carburetor-parts-xl125-cb125-cb550-cb750-keihin-pd-pilot-jet-35-49a035.html > > Just remove those screws and squirt cleaner and air in every hole you find. > > Lastly here is some info on the orings used in those carbs. Scroll down to > the second entry. > http://www.sohc4.net/cb550-faq/ > > Good luck > > On Fri, Nov 6, 2015 at 11:51 PM, EGrider <[email protected]> wrote: > >> Here's the picture of the carbs you asked for, Allen. It really doesn't >> say what they are, though. Yes, I can get the #4 bowl off without removing >> the carbs, but I guess I'll just pull them again if that's what I have to >> do. I admit that I didn't do a thorough cleaning. In fact, I didn't really >> clean them much at all. I cleaned any residue out of the bottom of the >> bowls, and I removed the main jets and looked at them, but they were clean. >> >> The manual says the slow jets are #40. I'm still not sure what I'm >> working with, because I didn't really find any slow jets in the carbs, and >> it sounds like you're saying that the mystery screw adjusts the flow at >> idle? >> >> Those pictures of your carbs, Allen, makes me think that yours are a >> little newer. It looks like you have the plunger type "choke" while these >> carbs have a butterfly valve choke. >> >> >> -- >> 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]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/nighthawk_lovers. >> For more options, visit https://groups.google.com/d/optout. >> > > -- 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]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/nighthawk_lovers. For more options, visit https://groups.google.com/d/optout.
