Question about 1988 Suzuki GSX 1100 F (Katana)
I have a 1994 1100f it starts and runs fine a bit lumpy on tickover,after 4500 reves it starts to missfire and will not go past 8000revs.also if i am cruising at 4500revs for 5mins then open the throttle i get a complete engine miss then it tries to go but not as it should.if i am standing still i can rev the bike all the way to the max with no probs,it only plays up when ridden.
i have fitted new plugs ,balanced the carbs and fitted new oil and filter and cleaned the airfilter,i have even cleaned all the electrical connections all over the bike but the problem still exists.Has anyone got any ideas please
Your main jets sound like they too small or partially blocked with dirt/varnish. If steady cruising at 4500 is smooth, and you open the throttle somewhat quickly, it stumbles a bit, and breaks up it is too lean or the jet is too small. If it bogs, and smokes it's too rich. You could pull one of the spark plugs and check it's color. It sounds to me that it is too lean, perhaps aftermarket exhaust was fitted, and the carbs weren't re-jetted to compensate? I hope this helps.
Posted on Jun 29, 2009
You may be starving the carbs. I have seen this on other bikes, try running the bike with the petcock set to prime ( do not forget to set to run after your test drive ) It the problem goes away when you are riding it this way, you have a problem with and may need to replace the petcock. Hope this helps...
Posted on Sep 03, 2009
Hi have you looked in the top of the carbs at the diophams make shaw ther is no no holes
if that ok strip the carbs look for wear on the needles and the emulsion tubs as wear the needle enters the hole wears oval i had this on my gsxr1100 i had to change the carbs as the cost of a rebuild was too high
Posted on Jun 29, 2009
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Posted on Jan 02, 2017
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