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Smoking carbs??

  • Thread starter Thread starter slip
  • Start date Start date
S

slip

Guest
Well I finished rebuilding the VM29 smoothbores and installed them in the bike. I could not take it for a ride, as the front calipers are off the bike and being rebuilt. It runs a whole better than it did. It idles pretty smoothly at 1200 rpms. Boy is this motor noisy, is this normal. Revving it up, I didn't hit the flat spot in the middle like it did when I first brought the bike home. There is smoke coming up off the air cleaners!:confused: I did re-oil them after cleaning them, so maybe this is why??? What do the carb gurus think, normal or not. I guess I will have a better idea after riding the bike. But I am going to smell everytime I come back from a ride. :eek: Maybe this bike is going to me more of a project than what I anticipated.
 
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I started the bike up after about a 1/2 hour of it being off. I don't see smoke anymore, and it seems like it is running good. So I will just have to wait and see how she runs out on the road. The cleaning did wonders. I benched synced the carbs, and turned the air screws out a full turn. It idles good. :D
 
Do you know what the sizes of the jets are you are using in the carbs?
 
When I purchase the bike a fews back, it was running rich, plugs were sooty. And it really stumbled in the midrange. The carbs were filthy, so I started there. After reading some things in the garage section, I think I am going to check the voltage at the coils to see if there is proper voltage there. I guess the rich condiion could have also been caused by a weak spark.
 
one thing i did notice on my 1k when running stock coils and 29's was there would be a little bit of roughness on idle. After installing some accel coils it cleared everything up and started faster. I think the 29's deliver a little richer fuel charge in general and the hotter spark helps burn it up.
 
first timer said:
one thing i did notice on my 1k when running stock coils and 29's was there would be a little bit of roughness on idle. After installing some accel coils it cleared everything up and started faster. I think the 29's deliver a little richer fuel charge in general and the hotter spark helps burn it up.
Click to expand...


Well I checked the voltage to the coil, measured 8VDC, and there was 12VDC at the battery. Guess I am going to have to do the coil relay mod. I also have a low output stator. It produces 60VAC at around 5k rpms. Should I get a new stator??? I do notice that the headlight is dim. Well there goes another $100.
 
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