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where do i begin?

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

Guest
Hello,

I just put together my 79 gs 850 (vm 26 mikuni's). Tope end rebuild gaskets seals etc. I did not check the valve clearances, because I didn't have the associated tools and I didn't lap the valves so I assumed that the bike would run the same (well) as it did before. I only torn it down because the previous owner had stripped a spark plug hole. The bike has been rejetted (I forget the specs) Exahaust is original 4 into 2 but with the baffles removed and emigo pod filters. The bike ran great with these mods before the rebuild.

The bike now runs rich on all 4 plugs (very black). Sluggish in lower rpms. It won't idle well, and runs better with the choke on a little even after warm up. It also surges and rpms come down slowly. I set the points and timing with a light. I also cleaned the carbs very well. Didn't check the float height yet, but will. Running out of room. Any thought? Thanks :cry:
 
Are you sure that you didn't mix up any of the shims? Also, have you changed the spark plugs since they've looked black?
 
where do i go from here?

where do i go from here?

No, none of the shims were mixed up. I did clean the plugs, but they came out black again.
 
nope, I checked the float height 3X. The Bike also tends to have a raise in rpms when I wack the throttle, but does not have an equal increase in speed.

The new "problem is that the breather tube that vents the crankcase seems to be "steaming" with a gas like vapor.

Also since I'm running a different tank I'm using a simple on/off fuel tap, could this be the cause of the problems? The vaccum line that normally runs to the stock petcock is not capped off. If I cap it off engine rpms go through the roof, and don't come down. I think that I may have a few problems here that are combining to create this list of syptoms. But what are the causes?

Anyone Help :roll:
 
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