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adding a little choke

  • Thread starter Thread starter helmutholderbenz
  • Start date Start date
First let me say THANKS for every ones input. The pictures are great too. I need to figure this out before I burn a piston. I have been fooling around with fuel level, setting to within specs but its getting hard with my 46 yr old eyes.. I think I have adjusted them just a bit low. From what you have told me low fuel level will make the bike run lean. I just bought 4 of the brass nipples to check fuel height with carbs on bike but I am not exactly sure if I'm supposed to have the bike running when I check the height or just sitting upright level
 
helmutholderbenz said:
First let me say THANKS for every ones input. The pictures are great too. I need to figure this out before I burn a piston. I have been fooling around with fuel level, setting to within specs but its getting hard with my 46 yr old eyes.. I think I have adjusted them just a bit low. From what you have told me low fuel level will make the bike run lean. I just bought 4 of the brass nipples to check fuel height with carbs on bike but I am not exactly sure if I'm supposed to have the bike running when I check the height or just sitting upright level
Click to expand...

Factory service manual says to check float height with the engine running. I've done it both ways. I usually bench test them first just to make sure the floats aren't leaking and then check them again with the engine running. The vibration from the engine running helps the float valves seat a little faster.
 
tkent02 said:
That will do it. What are you using for the intake? Stock airbox? Good quality pods? Emgo Sand Sifters?

Edit: Just found it, APE pods. Did you change the jetting as required for these pods? Did you tune the mixture screws afterwards?
Click to expand...
Hey tkent, I've got 130 mains in now, stock were 117s. The mods on the bike are ape pods 4into1 exhaust suppertrapp silencer(humm..potental problem) and I just put in the 816 piston kit this spring. I have the mixture screws at 3 turns out seems to be best right now.
 
What other size main jets have you tried?
Which jet needle?
What else aren't you telling us?
 
How about doing a plug chop at the point where it feels a little "lean" and verify what's really happening. If it is lean, then try raising the needle as described above.
 
chuck hahn said:
Bike level and running for the fuel level checks.
Click to expand...
Ok, Ive got the bike on stands nice and level, tanks still on so I can run the bike. I've got 4 nipples so I'm going to do them all at once and take a picture. the manual says run the bike at idle and the level should be at 5mm below the line of where the two pieces meet. correct???
 
Got all my ajustments done' 1&2 cylinders were starving for fuel. just got back from a test ride and all I can say is WOW!!! that fixed the problem. Thanks for all your help, It's nice to have a place where you can go to talk about these old bikes. Andy
 
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