GT650R won't fire?

[Confrontation]

took my bike in to be tuned up , went to pick it up had to jump it from a battery pack (I think I have a charging problem) got the bike home , parked it in the shed for 2 days.
Put the fairings on yesterday popped in the battery from the 250cc went to fire her up.....one big popping backfire and now she wont fire up.
The engine is turning over just seems like the plugs are not sparking.

Any ideas what I need to be checking out?
I plan on taking out the plugs to see if the spark , anything after that Im not sure what to do.

[Drew]

Could be as simple as a blown fuse, and as difficult as a fucked CDI.

All manner of things in the middle too of course.

[Confrontation]

what things in the middle? I have checked the two fuses under the pillion seat , they are ok.

[98tls]

Fuel mate,is it carbd and if so no doubt it has a drain plug,undo it and see what comes out.

[Drew]

what things in the middle? I have checked the two fuses under the pillion seat , they are ok.

Start testing then I'm afraid.

Check to see if there's spark at the plugs. Followed by checking if the coils are getting signal, (not as easy as it sounds. As the CDI earths the coils normally, untill it's firing time when they stop the earth signal so the current must discharge through the plug instead). Then check that the pulse generators are doing what they do, (this one's simple as they just produce a charge when the pickup goes by).

If the Pulse generators are doing their thing, and the coils aren't getting a message, you are likely looking at a new ECU. Borrow one first though, to eliminate a wiring fault.

[Confrontation]

Fuel mate,is it carbd and if so no doubt it has a drain plug,undo it and see what comes out.

Yes it is carbed , just got it back from the shop after a tune up , Im sure they have checked all the fuel and stuff like that.

[Motig]

If it was running reasonably OK before the tune up and isn't now do you think perhaps something was botched during the tune up maybe ? Just saying

[nzspokes]

Yes it is carbed , just got it back from the shop after a tune up , Im sure they have checked all the fuel and stuff like that.

I would be ringing them and asking if they may have left something lose.

[AllanB]

Ah ........ why have you not called the shop who tuned it up?

Don't fuck about with it or piss about online - call the shop.

After you have checked the kill switch and made sure the tank has fuel in it ..........

[98tls]

Yes it is carbed , just got it back from the shop after a tune up , Im sure they have checked all the fuel and stuff like that.

What a lovely place you live in.

[98tls]

Start testing then I'm afraid.

Check to see if there's spark at the plugs. Followed by checking if the coils are getting signal, (not as easy as it sounds. As the CDI earths the coils normally, untill it's firing time when they stop the earth signal so the current must discharge through the plug instead). Then check that the pulse generators are doing what they do, (this one's simple as they just produce a charge when the pickup goes by).

If the Pulse generators are doing their thing, and the coils aren't getting a message, you are likely looking at a new ECU. Borrow one first though, to eliminate a wiring fault.

Beam me up scotty...this guy still believes that people employed in a motorcycle shop actually know anything about motorcycles.

[Drew]

Beam me up scotty...this guy still believes that people employed in a motorcycle shop actually know anything about motorcycles.

I do sort of.

[The Reibz]

Sounds like the ignition fuse might have blown. Happened to me before, massive back fire followed by nothing when the starter is pushed.

After you have checked the kill switch and made sure the tank has fuel in it ..........

And do what he said...

[Rhys]

Beam me up scotty...this guy still believes that people employed in a motorcycle shop actually know anything about motorcycles.

They might not know everything but they know more than me !

[Confrontation]

Sounds like the ignition fuse might have blown. Happened to me before, massive back fire followed by nothing when the starter is pushed.


And do what he said...

What is meant by checking the kill switch?? , I have checked the two fuses under the pillion seat , they are all fine , I cant see where any other fuses are , only the 4 relays under the seat.

I have put more fuel in the tank and checked the plugs and they are sparking.
It is possible to get the CDI check right?