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Hi Folks, I recently completed a project on my CB550 that I thought I'd share. Honda no longer makes the air filters for these and I've never been happy with the foam ones that are our there. So this week I took my OEM filter unit, which was totally clogged and in need of replacement anyway...

Hi Folks, I'm currently designing a new seat/tail bump. Should I be designing it for worst case scenario i.e. Make sure the tire won't hit the underside of the tail when suspension is fully compressed? The CB550 stock shock absorbers have 2.5" travel. I can put taller bump stops on the shocks...

Hi guys. I'd like to hear from the experienced builders on this forum. When welding on new tabs for rear sets, is 1/8" steel enough or should I go with 3/16"? I don't want to overdo it but I also don't want to be bending the tabs when I'm riding it. Is there a strong tab design you can share...

Hi Folks I'm refreshing my CB550 engine. It's very low miles and never been opened previously. Here's my question - the engine case is stamped AABBC but the main bearings are stamped, from left to right as follows: D6G-A STD D6G-A STD D6H-A STD D6I-A STD D4A-A STD Shouldn't the third and...

Hey guys, I feel the need to let you in on this seeing as all the threads on the CB550 charging system seem to end with members saying there's nothing that can be done. The charging systems on these bikes was week from the start and there's nothing you can do about it. Fixes such as turning off...

Hi guys. I'm diagnosing a no charge situation on my CB550f. I've tested the field coil and it is a perfect 4.9 ohms resistance. This is exactly in spec with the repair manual. I've tested the stator and it reads 1.0 ohms resistance when measuring between any two of the three output wires. I've...

Hi all, I'd appreciate any clue you can give me on this. I've included a video of the problem in action at the bottom of this post. At least I think it's a problem, for all I know it could be something I'm doing wrong. Here's the gist - starting from idle, if I ROLL the throttle, the bike revs...

I had a look at the Carb 101 topic which answered a lot of my questions. One thing that was mentioned is that it's best to run the motorcycle up a slight incline when doing your jetting runs. My question is - is it necessary to run the bike under load like that or can the rejetting be done in a...

Hi Folks, I can't seem to find a tank lock/latch for my 1977 CB550 Super Sport anywhere so if ya got one in good condition that you'd like to sell, PM me. I've circled it on the picture I've attached.

Hey Guys, This is a Café Racer Forum so there's gotta be someone here that has original handlebars from a 74 - 77 Honda CB550f Super Sport that they've removed during their café build. If you've got a set, PM me and we'll hammer out a deal. If you know someone who has a set the want to sell...