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Running on 3 cylinders
- robdyk
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21 May 2018 09:08 #783773
by robdyk
GPZ550 (ZX 550) 1984
Running on 3 cylinders was created by robdyk
My GPZ 550 (4 cylinder ) bike is running on 3 cylinders.
I took the carburettor assembly off a while ago to clean it, because it ran very bad. Everything on the bike is standard.
I cleaned all jets with carburettor fluid and compressed air. No cracks in the diafragma. Air box is clean.
Starting the bike causes no problems. But the left cylinder is not getting warm. The spark plug gives of a mighty spark, so not an ignition problem.
The spark plug is not wet, black or anything. So it seems to me there's a fuel problem for the left cylinder. Appaerantly cyl no. 1 isn't getting any fuel.
What is your first impression what it could be ?
I took the carburettor assembly off a while ago to clean it, because it ran very bad. Everything on the bike is standard.
I cleaned all jets with carburettor fluid and compressed air. No cracks in the diafragma. Air box is clean.
Starting the bike causes no problems. But the left cylinder is not getting warm. The spark plug gives of a mighty spark, so not an ignition problem.
The spark plug is not wet, black or anything. So it seems to me there's a fuel problem for the left cylinder. Appaerantly cyl no. 1 isn't getting any fuel.
What is your first impression what it could be ?
GPZ550 (ZX 550) 1984
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- Nessism
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21 May 2018 10:10 #783778
by Nessism
Replied by Nessism on topic Running on 3 cylinders
Sounds like inadequate carb cleaning. Did you fully disassemble all the carbs and soak all the metal parts in carb dip?
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- robdyk
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21 May 2018 14:33 #783792
by robdyk
GPZ550 (ZX 550) 1984
Replied by robdyk on topic Running on 3 cylinders
I've cleaned it, but i didn't soaked it overnight. So you could be right. Maybe it's better if i took the carbs to a guy whith an ultrasonic cleaning device.
GPZ550 (ZX 550) 1984
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