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82 gs1100e loosing power on express way

  • Thread starter Thread starter unclebeaner
  • Start date Start date
U

unclebeaner

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i have my 1100 that i rode most everyday last year never any issues, took it out this year just on back roads for the first 500 miles then rode it down expressway this morning on way to work about 75 mph and it acts like its running out of fuel. has plenty of fuel, good flow coming out of petcock, tore down carbs for no reason, new coils due to old ones being damaged plugs and airfilter. im lost its all stock beside v&h can and header. very well maintained and takin care of. also carb boots are new. any ideas? if i keep it under lets say 50 mph i have no issues. again it acts like its running out of fuel
 
Did you re-jet after you installed the header and can?

Daniel
 
Do you have an in-line fuel filter ? Sometimes they can limit the flow of fuel. :)
 
I had this happen one and it was a coil intermittently working at high RPM.
As for the petcock how much is enough? Is it a vacuum operated type?

Are you sure it not sucking air at high rpm? All sealed up and so on, new o-rings ( if applicable on boots )?

It seems there is a rash of poor high speed riunning of late.
 
Do you still have breather tubes from your carbs? If so, where did you put them? It's recommended to remove them with pods.
 
mike_of_bbg said:
Do you still have breather tubes from your carbs? If so, where did you put them? It's recommended to remove them with pods.
Click to expand...

WHY???

None of my bikes with pods have deleted venting. Why would you?
Fuel, would never get into the carbs.

Daniel
 
no stock air box, coils are brand new dyna greens, it does have a in line filter but when i pull one off exit side fuel flow like no other. i guess ill pull the carbs back down and go throught them one more time. no bike was never jetted after pipe due it was running rich before install and has a nice plug color opon a plug chop when bike was put together. i wouldnt say the color now is bad but it is a bit lighter than normal indicating loss of fuel
 
what kind of jeeting should it be at with no lid and the 4 to 1 and can? cant find vance and hines specs any where
 
7981GS said:
WHY???

None of my bikes with pods have deleted venting. Why would you?
Fuel, would never get into the carbs.

Daniel
Click to expand...

Not deleting the vent tees altogether, but the vent hoses on pod-ed GSes. The air pressure used to push fuel up through the main and pilot jets is whatever is at the end of the vent. If your vent hoses are placed in a turbulent area, yes you can lose power - at very inopportune times.

My theory (and I believe that Dynajet has stated as much from another thread) is that once the airbox is removed, the area under the seat where the hose ends usually lead is subject to much more turbulence. They recommend removing the hoses from the vent tees as the are behind the head, immediately between the carbs is going to be more reflective of calm ambient air pressure.
 
mike_of_bbg said:
Not deleting the vent tees altogether, but the vent hoses on pod-ed GSes. The air pressure used to push fuel up through the main and pilot jets is whatever is at the end of the vent. If your vent hoses are placed in a turbulent area, yes you can lose power - at very inopportune times.

My theory (and I believe that Dynajet has stated as much from another thread) is that once the airbox is removed, the area under the seat where the hose ends usually lead is subject to much more turbulence. They recommend removing the hoses from the vent tees as the are behind the head, immediately between the carbs is going to be more reflective of calm ambient air pressure.
Click to expand...


nice i just pulled carbs off and going to step up main and pilot as well while im in there. always wanted a elctrosonic cleaner so im going to buy one of those aswell
 
Why tear down the carbs again? Just remove your inline filter, even ones designed with gravity feed tend to have a slower flow rate over time, 6 months is the max for most.

Do that, try it.. then move on don't bother doing more work than is required.
 
mike_of_bbg said:
Not deleting the vent tees altogether, but the vent hoses on pod-ed GSes. The air pressure used to push fuel up through the main and pilot jets is whatever is at the end of the vent. If your vent hoses are placed in a turbulent area, yes you can lose power - at very inopportune times.

My theory (and I believe that Dynajet has stated as much from another thread) is that once the airbox is removed, the area under the seat where the hose ends usually lead is subject to much more turbulence. They recommend removing the hoses from the vent tees as the are behind the head, immediately between the carbs is going to be more reflective of calm ambient air pressure.
Click to expand...

That's strange as I have been running 3 bikes with pods and the vent hoses running down and out where the battery vent goes for a bout 30 years with no problems whatsoever.
Directly in front of the swing-arm and in the flow of passing air. I must just be lucky. ;)

Just sayin'

Daniel
 
got carbs soaking just for giggles, found one of the rubber plugs over pilot to be kind of shotty when i tore it down so i need to find one of those
 
Get some new fuel and vac hoses. Did you switch to PRI when the trouble started ? Your vac hose could be collapsing.
 
7981GS said:
That's strange as I have been running 3 bikes with pods and the vent hoses running down and out where the battery vent goes for a bout 30 years with no problems whatsoever.
Directly in front of the swing-arm and in the flow of passing air. I must just be lucky. ;)

Just sayin'

Daniel
Click to expand...

I have none, just my cam cover breather.
 
new lines the most through cleaning you have ever seen on a set of carbs and filter gone. going to try and put them back on tonight and see what happens
 
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