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My GS850L falls asleep over 5K, help!

  • Thread starter Thread starter bison head
  • Start date Start date
It's all part of the learning curve. Ask questions/pick brains, do your assessment and acknowledge good advice.
Altitude has a hugh effect on air density and jetting. Just ask any pre-fuel injected Pikes Peak Hillclimbers who tried keeping fuel air ratios correct over the duration of the hillclimb.
Enjoy your 850 at 8000+
Cheers
 
bison head said:
I have modified the petcock so the vacuum isn't needed for fuel, so I know it doesn't have a fuel flow problem. I have everything apart for fuel today and re checked it. The mufflers are stock and it ran the same before I took out the intermediate muffler but I thought I just needed to clean out the fuel system. As for jets, the mains are 115's and torque and power are great at W.O.T. until around 4500 - 5000rpm.
Click to expand...

How would you go about doing this(petcock modification) and what would be the downfalls of doing this? I have a slight suspect that mine is messing up. I have an 80GS750L and it is going to 6krpm and bogging down. Everything is stock.
 
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