Ok i'll try your suggestion for needle and needle jet, thanks.cxman said:pilots 35 may need a 32.5
no air correct jet to start
2.5 slide
q0 needle jet
6dh4 needle 3rd or so groove to start you may need to go down a size depending on your bike
use a 135-140 main to start
Hey Jim I don't think the porting on my bike is an issue, Eric Kalamaja did the porting and he has done many t500's with a good reputaionjimmer said:Just stumbled across this on my phone while looking for something completely unrelated:
Indeed I did. Not sure if you recall but my electrical skills are virtually non existant I wish I could re-wire the whole bike using modern components like many do on here but I just don't understand how to do it. I fried the original cdi unit because I wired that up incorrectly the first time. Can't follow the wiring diagram in the manual because my bike has a hybrid loom due to the fact that originally it was a points ignition t500 but was fitted with electronic ignition GT500 engine!clem said:Electrical issues can fool you into thinking that you have jetting issues. Did you use the old coils and charging system when you initially put it back together?
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Ok Gary I will do as you suggest. I'll get a dual outlet petcock and make an adapter from my tank outlet. I still don't think that's the issue as the float bowls are always full when I take them off. I'm getting desperate so I will try everything!50gary said:John, there is no way that I'd use a "Y" or "T" to dual carbs and .25" might be smallish? On my '75 T-500 I have a dual outlet Pingle petcock to my carbs. BTW it's a bolt up to the Suzuki tank, I know you built that beautiful tank but I can't recall the bung you used? The Pingle flows enough for a big drag bike engine, Pingle says "Don't let your Petcock be your main jet"
Cheers, 50gary
All I do is clean up the plug (which is totally drenched in fuel) then put it back in and it fires right up on two cylinders! Honestly I don't believe my jetting is that far off, I know for a fact that it is close to other peoples ported motors.jpmobius said:So what do you do to get the dead cylinder back running? It is quite common for ignition coils of any stripe to quit once they get hot (or even just warm "enough" and then behave normally after they cool off. You have to have some pretty atrocious jetting to kill plugs that quick even with the original anemic (by today's standards anyway) ignition. 50gary has a good point, but 34's have pretty big bowls and likely you would have figured out that you were starving for gas as you would get that cylinder back pretty much straight away after losing it.