Popping/Back Firing Suzy gsx600f Ignition coils???

[devilchef]

Hi all, today i picked up my bike from the garage...but when i picked it up, the mechanic told my that either the coils are on the way out or cards need doing. I have done about 30 miles today in the sun but tonight (and its chilly out) It started popping/back firing and juddering. If i put into neutral and rev, no pops or anything. I didn't get far enough for the engine to get even warm...just a few hundred yards lol. I have noticed (before the garage) for a while that when stationary ie at lights, the bike revs almost stalls and sometimes does cut out and the mechanic who has just replaced the exhaust system, whilst taking it for a spin noticed the same thing and suggested either coils or carbs.

First are the symptoms I have described that of a coil failing in style? Or possibly carbs?? I am a novice when it comes the mechanics of things but would appreciate and advice

[eastanglianbiker]

coils tend to break down as they get hot if they are going to break down dirty carbs will play up all the time its quicker and easier to replace coils first on that bike than it is get the carbs off and clean/rebuild them

[Tango]

Replace the coils first as it's a relatively easy job to do..... Coils of show up as a problem when the engine is under load at lower revs.....but often clears when you get the revs up...

Someone on here had a misfire problem on a Fazer some time back.....I think it turned out to be water in the float bowls on his carbs.....

[devilchef]

Replace the coils first as it's a relatively easy job to do..... Coils of show up as a problem when the engine is under load at lower revs.....but often clears when you get the revs up...

This is what has been happening but then pop pop pop last night...I have been told coils and if it is , its an easy one, cheers