SOHC.co.uk Forums > CB500/550
Cb 550 ss spain
murdock:
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
murdock:
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
murdock:
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
murdock:
after a while I still have the problem, the engine keeps failing,
new capacitors,
perfectly statically adjusted points,
valves with perfect gap,
revised coils, revised cables,
tapas not oem (but I don't think that's why it should fail),
test lamp between spark plug and wires in all 4 ok.
rebuilt engine,
pistons and rings + 0.50 with 150 km
069a carburettors,
factory settings,
statically synchronized,
synchronized butterfly valves,
38 and 99 jets
needle in second position,
floats in 22 mm,
no leaks or air intakes
oem air filter,
4a1 tubes with megaphone silencer,
mixing screw in 1 1/2
starts instantly and sounds very smooth
with the throttle grip marked when it reaches 1/8 it starts to stutter. if I accelerate quickly when cutting a small portion of black smoke comes out, black ollin spark plugs,
Could someone give me some advice on how to follow to find the reason for the failure?
Thank you
Bryanj:
Another member on here had something similar and it was the new fuel pipe shedding small partivles internally blocking the jets
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