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Messages - alexdecker

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61
Hey all

Saw this beautiful bike on the American forum. I am getting a new rear fender soon, as there are massive rust holes in my own. Instead of the stock taillight, I am looking for something a little more discreet like this, but if possible will still fit without modding fender/drilling holes.

Does anyone know of anything nice I could go for?


62
CB500/550 / Re: CB550F2 '77 slow to rev when starting
« on: June 19, 2023, 06:51:39 AM »
Haha, I thought there was something odd going on, as it sounded like it idled on around 600, but the clock said 1200 😊

63
CB500/550 / Re: CB550F2 '77 slow to rev when starting
« on: June 18, 2023, 06:22:15 PM »
Yeah I figured. Just like to hear engine sounds from the CB bikes 😂

64
CB500/550 / Re: CB550F2 '77 slow to rev when starting
« on: June 18, 2023, 05:10:31 PM »
Thanks all for replies. Will go through usual maintenance next week, ending with sync. See if that helps things.

Does any of you have a video of a well set up bike and motor, so I can hear the sound of the idling for reference?

65
CB500/550 / Re: CB550F2 '77 slow to rev when starting
« on: June 17, 2023, 07:09:34 PM »
Wow, 600 reps! When mine is warm, I can get it to 1000rpm when idling, but 600! Has anyone done that?

66
CB500/550 / CB550F2 '77 slow to rev when starting
« on: June 17, 2023, 05:25:18 PM »
Hey all

So my bike starts up pretty fast. But when it starts, it doesn't come up in revs by itself. It kind of halts a little bit, and then needs a small twist of the throttle. When doing that, it settles in on a nice 1200RPM after that. But if I don't rev it a little, the engine dies again.

Is this the normal nature of the beast, or can I optimise something to prevent it?

67
CB500/550 / Re: Rear brake pedal is "kicking back". Solutions?
« on: June 17, 2023, 04:53:37 PM »
I removed the entire rear wheel, but didn't dismantle it at all. So the only thing that can be different (to my knowledge) is how the wheel is mounted, and how the brake arm is mounted. Is that wrong thinking?

68
CB500/550 / Rear brake pedal is "kicking back". Solutions?
« on: June 16, 2023, 08:56:09 PM »
Hey all

Since assembling my bike after going through the engine last year, the rear brake has sorta kicked back a little bit. It feels like there is some unevenness in the rear brake. I assume that the rear wheel might be mounted slightly crooked or there is some other thing that is off. Just not sure what.

Is this a common problem? It was fine before I took it apart, so don't think the brake pads (which are fairly new) is uneven. But maybe already?

69
EDIT: Once again it was simple and I’m the idiot. The horn needed power. I gave it that. It works now. Shhheeesh. Ignore everything below.



I am slightly confused. So here is how it is wired now.

Horn has a black that goes to ground (by the coils) and light green that goes to loom.

Switch has light green that goes to light green in the loom. I opened up the switch, and no other wires come out from the horn button than the light green.

I have one light green and one black wire left from the switch. If I connect them to their respective colors in the loom, I get nothing, no matter if the switch is mounted to the handlebar or no.

So what am I missing?

70
Hey

Trying to get my wiring loom back to a somewhat clean factory condition. There is a lot of spades on mine. Am I mistaken, or is the wiring loom terminals primarily bullet connectors? So anywhere there is a spade, somebody made a reparation?

71
Mick has described it really well. On yours it sounds like the horn button is the earth. So the horn is getting power from the black wire near the coils, and when you press the horn button it earths out to the bars. If the switch isn't mounted on the bars there is no earth, have you been testing it with it off the bars?

I have only tested it mounted to the bars. I haven't removed the actual horn from the bike, so that still has black to near coils, and green to earth. Ok, will need to figure out how to put this together, so it will function.

72
Horn depends on which wiring system it's using. One has the horn button being the earth and the other has the horn being the earth. Check your horn, does it have a small wire which goes to earth, round by the coils or sometimes on the horn bracket itself. The black wire is the power for the horn and some other things, without that connected not much will work. I presume the new switch has horn/pass or just horn?

Brown/white always seem to be for illumination lights but on the US model it's also used to power the running lights inside the indicators, that's the light blue/white and the orange/white.

Brown/blue was the buzzer.

The new switch just has a horn button. And my horn has two wires. A green to ground and a black to power. And they used to work, but with the new switch, all of a sudden it doesn't work, so just wondered about that. I thought maybe the black wire from turn signal switch to power had something to do with it.

73
Okay, a few follow up questions on the wiring. These questions all relate to all the plugs under the tank on the little black box:

  • Is it correctly understood that the brown/blue is the turn signal buzzer?
  • My new turn signal switch has a brown/white wire, which is the lights in the tacho and speedo. I can see that in the US models, it is in use, but not on the european models. Can anyone explain why this wire needs to go from turn signal switch on US models?
  • The black wire from turn signal switch - what does this do?
  • And lastly, where does the horn get power from? Is is connected to light green and black, and in the switch end, it is also connected to light green. But no sound. Is it dependant on any other connections?

74
I have stem & nut iirc.
If it's just the nut I have one  pretty sure - chrome is not perfect but all the threads on the stem are fine. Just e maim me my address is on my profile. Ted

Just the stem actually. Just got a brand new nut :)

I have written you a PM! :)

75
I have a good 550 steering column one that came to me foc yours for the postage cost only.

Ted, that is so nice and generous of you. Thank you! Will write you in PM 😊

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