Gsx750f -98, running problems
My name is Johan and I'm from Sweden.
I own a -98 Gsx750 and long story short, it's not running as it should.
I have spent many hours troubleshooting and I can't find anything wrong with it though.
The bike starts easy and idles well but as soon as you open the throttle more then 1/8, the engines dies.
It cuts off just like you have turned off the ignition.
When it dies, it blows squirts of gas back out of the carbs.
A list of the work done up until now:
*Measured and tested all of the electrical components and there's no problem with them.
All is ok, I have also borrowed som components from a working bike but to no success.
*Cleaned the carbs, checked the floatheight etc, condition of the carbs is great. All is stock, jets, needles etc.
I also tried some other carbs from a working bike but no success there either.
I have tried setting the carbs rich and lean = no difference.
*I have checked the whole wire harness = it is in condition like new.
*The engine has good compression, it ranges from 173 to 176 psi.
Did a leakdown test on every cylinder and that showed 5-6% leakage.
*The cam timing is correct according to the workshop manual.
*New fresh gas
*The exhaust is not plugged or stuffed, it flows freely.
*Tried new set of spark plugs and another coilpack but that did not change a thing.
I'm completely out of ideas now, everything that I have checked turned out to be faultless, but still the engine runs like crap.
I have a video on Youtube that shows how it runs, but since I'm new on this forum, I can't post any links.
Thanks in advance and best regards from a really confused Swede 🙂