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Messages - murdock

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47
CB500/550 / Re: Any idea what this is?
« on: November 22, 2021, 05:43:21 PM »
Will it be to hold the center stand?

48
CB500/550 / Re: Cb 550 ss spain
« on: November 18, 2021, 09:32:51 PM »


New spark plugs and capacitors ok, it purrs like a cat, but remains the same, I suspect that it is the battery that is dead, I do not know if being depleted it removes intensity from the primary of the coil and that is the problem

49
CB500/550 / Re: Cb 550 ss spain
« on: November 14, 2021, 06:52:23 PM »

Today I have sprayed the 4 carburetors below and above the nozzles, tanks and covers with engine starters and nothing, there is no air intake.
So I'll wait for a capacitor that I need to change and the spark plugs to see what happens, listening carefully to the engine with an accelerated idle, does not sound round

50
CB500/550 / Re: Cb 550 ss spain
« on: November 10, 2021, 06:03:19 PM »


Do you believe ? Now that you mention that before the reconstruction I had another type of cover, a cast aluminum one made in France, and now I have one that I bought from a kz that is narrower, I am a race without the cover to see if I notice any changes, but I do not think it's that

 today I started the bike in complete darkness with the spots exposed,
at start-up there was a small fart, only one, a small piff typical of a leak,
 I still don't spray the carburettors one or two little red blue sparks came out of the 1.4 platinum, but then revving for a few minutes never happened again, all this in the dark
total.
I don't have a strobe gun, but through the sight glass on the platter you can see that the feed was increasing in size with centrifugal force normally

51
CB500/550 / Re: Cb 550 ss spain
« on: November 10, 2021, 05:24:17 PM »
found, page 88 of the honda manual, 0.24 uf +/- 10%
over 10 mega ohms

52
CB500/550 / Re: Cb 550 ss spain
« on: November 10, 2021, 12:48:10 PM »
Hello , does anyone have the reference number of any equivalent capacitor , or the value in uf ? Beru , Magnetti , Marelli , facet , etc thanks

53
CB500/550 / Re: Cb 550 ss spain
« on: November 09, 2021, 09:44:30 PM »

ok, thanks, I will buy new spark plugs and new capacitors, I could try to place the ones from my guzzi

54
CB500/550 / Re: Cb 550 ss spain
« on: November 09, 2021, 09:32:31 PM »
d7ea will it be the replacement ??? I can't get the d7es around here, someone is using them and could I confirm it?

55
CB500/550 / Re: Cb 550 ss spain
« on: November 09, 2021, 08:48:01 PM »
I would not be offended at all, what remains here will serve others
I usually check the ignition with the lights off, when a capacitor is defective, sparks are sometimes smaller than in the video
the plug caps are resistive 5 ohms and the ngk d7es plugs are no longer available, only the dr7es that are also resistive, that does not add up to 10 ohms, the sum of the 2 resistances is half of one, I will order a new set of spark plugs, I think I have a saved capacitor, I will review mine better, and I will try the method of isolated points, thank you very much

56
CB500/550 / Re: Cb 550 ss spain
« on: November 09, 2021, 06:10:56 PM »
Well today again my my motorcycle has let me down, I have replaced the original filter box with its original jets, 38 and 98, the original needle in its original diffuser, in the second notch from top to bottom 22 mm at the level of 1/12 float in the mixture, adjusted the points in the F, cleaned the spark plugs, and it does not run well,
At 1/4 throttle the grgrgrgrgrgr begins and it does not lift up until I exceed half the throttle, but they do not stop completely, it has improved a lot to 1/4, but nothing else, the carburettors were synchronized on the bench, both in total closure as in total opening, the only difference with the originality is that the air box inlet does not have a rubber elbow and that the exhaust silencer is a short megaphone with fiber inside
I have not sprayed the carburettors for leaks yet, but I know that in carburetor number 2 one of the four tank bolts is not tightening.
Could it be a spark plug failure? At idle I have loosened the cables one by one and in cough the change is heard, it may be that the battery is completely dead, I don't know what to do anymore, I thought everything would return to normal

57
CB500/550 / Re: Cb 550 ss spain
« on: November 07, 2021, 01:06:20 PM »
My needles have 5 positions, they are 273004 I think they are the correct ones for the model 550 ss from 1977 with 069a carburettors, so I am confused, in which position should I place the clip, in the manual it specifies the second one, but does not specify whether to bottom up or top down

58
CB500/550 / Re: Cb 550 ss spain
« on: November 07, 2021, 08:48:55 AM »
Ok, I have all the jets saved, but the needles are still on the bike, I thought they had 5 notches, I don't remember now, maybe I'm confused with other needles I have at home.

59
CB500/550 / Re: Cb 550 ss spain
« on: November 07, 2021, 08:39:37 AM »
A long time I have worn marks on the throttle , many times I have run at different speeds and stopped to check the spark plugs , and many times I have been close to what works well throughout the range , but every time I go back out on it responds differently , because it is hot , because it is cold , because it is going to rain , because it is very early , etc , we all know that it is not a carburettor battery easy to remove , it is not like a Guzzi for example which you can disassemble a whole dellorto without removing it from the bike , I got tired of not being able to enjoy the bike , I will put back the original box to see how it behaves , and I will think if someday I try it again

60
CB500/550 / Re: Cb 550 ss spain
« on: November 06, 2021, 10:36:04 PM »
I think you ask me if I change the air inlet, I will replace once and for all what ever the motorcycle had the original air box with all its components except the rubber nozzle that goes under the seat, since I have changed for a flatter seat and it does not fit, I have exhausted my passience with the individual filters, more or less it worked, but, after rebuilding the engine and tuning the ignition, it no longer works well

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