gsx weak spark

[Guest]

hi. My gsx 600 f has been in the garage for carb and valve ajustments and general check over as it was running poorly now she runs ok but is porducing a pretty low spark and at tick over will die. Could this be down to cdi as all 4 plugs give weak spark.

[eastanglianbiker]

when was the last time it had new spark plugs i would try changing them first as is cheaper than cdi unit

[Guest]

changing the plugs would be first option, and part of the service, so not a wasted exercise...

and the plugs are fed by two coils, so would be unlikely for both ...

make sure the plugs and caps are seated securely, to give least resistance.

[Guest]

i have tested it with some other plugs and it is still a weak spark everything seems to be sealed ok, its just at those low revs it wants to cut out,

[Guest]

how old are the other plugs.. ?

you could try another coil... just to rule it out.. or in..

[Guest]

the other plugs were quite decent of another working bike, i will try and test the coils if i can, is it possible its an engine problem or carbs maybe.

[Guest]

if its a weak spark then its electrical.

[Guest]

ok. cheers i have sourced a new cdi unit so hopefully this does it, could it be anything else other than cdi. when i drove it back from the garage it was a little hard to start and under load strugled to drive, it would also only seem to get to a certain speed/revs