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Cb 500sy

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wornsprokets
the 900
the 900

Posts : 1378
Location : dublin

Cb 500sy

Post by wornsprokets on Sun 11 Mar 2018, 9:27 pm

My cb 500s stopped on me today, it was like it was running out of fuel... then it wouldnt  rev over 1k ,then it cut out then  all electrics went dead...after few minutes electric came back bike started but wouldnt rev over 1k  so i am thinking(1)one of coils failing(2)faulty regulator rectifier(3) dirt in fuel tap filter... any suggestions?
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skyerae
Mothra the Radioactive
Mothra the Radioactive

Posts : 220
Location : Deepest darkest Scotland.

Re: Cb 500sy

Post by skyerae on Mon 12 Mar 2018, 6:17 am

If it was a it it would only be firing on one cylinder, this can be checked by spraying water on the downpipes when it is running. One one tha water will steam away and the other will stay wet (if it is a coil) It will also sound lumpy and if you rev it it will most likely die (at least mine did) The faulty coil will not cause all the electrics to cut out though.
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Jameshambleton
Moderator
Moderator

Posts : 2843
Location : Bedale, North Yorkshire

Re: Cb 500sy

Post by Jameshambleton on Mon 12 Mar 2018, 6:35 pm

I'm free next weekend if you want a hand with it, can't really think of any suggestions at the moment though.
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wornsprokets
the 900
the 900

Posts : 1378
Location : dublin

Re: Cb 500sy

Post by wornsprokets on Mon 12 Mar 2018, 7:47 pm

I will test regulator rectifier& battrey first... then fuel tap and its filter then coils.....
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ZekeVal
Running out of unique names
Running out of unique names

Posts : 187
Location : Poitiers, France.

Re: Cb 500sy

Post by ZekeVal on Mon 12 Mar 2018, 11:12 pm

My guess would be some kind of electrical fault, like a bad ground.

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