I had an 80 Bonneville With Mark 2 carbs. I think understanding how they work is most important. Proper jetting makes all the difference. Reading plugs is one way. A light chocolate brown is what you are after. Needle and Seat is a bit complicated but with practice u will get there.
If you haven't got guitar strings lying around, I've cut a few inches from an old throttle cable and left about an inch of a single strand sticking out at one end. This is the perfect size for probing the pilot jet.
Yes, good call but generally more people have access to the strings. Plus I never seem to have any decent tip cleaners that small that haven't been wrecked, lol.
Fuel passes through there as it comes up from the bottom of the float bowl. Up to 1968 ish there was a replaceable jet threaded in there, then Amal went to a pressed in jet behind the air screw. The mixture screw uses bleed air from the intake to adjust the idle mixture. Clear as mud right??
@@saywhatsaywhat1 if fuel passes through there but its an air screw how does that work, you said fuel passes through it, it can only be air or fuel going through it, so what does the pilot screw meter? Fuel or air? (I know the answer, this is rhetorical)
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I had an 80 Bonneville
With Mark 2 carbs. I think understanding how they work is most important. Proper jetting makes all the difference. Reading plugs is one way. A light chocolate brown is what you are after. Needle and Seat is a bit complicated but with practice u will get there.
If you haven't got guitar strings lying around, I've cut a few inches from an old throttle cable and left about an inch of a single strand sticking out at one end. This is the perfect size for probing the pilot jet.
Good tip 👍🏼
Try aluminum tip cleaners/files for cleaning our cutting torch tips. No damage to brass jets.
Yes, good call but generally more people have access to the strings. Plus I never seem to have any decent tip cleaners that small that haven't been wrecked, lol.
Norton guy!
Air would get up there not fuel? 2:07
Fuel passes through there as it comes up from the bottom of the float bowl. Up to 1968 ish there was a replaceable jet threaded in there, then Amal went to a pressed in jet behind the air screw. The mixture screw uses bleed air from the intake to adjust the idle mixture. Clear as mud right??
@@saywhatsaywhat1 but the screw controls air flow ? Out equals lean in equals rich
@@bonkeydollocks1879 Correct
@@saywhatsaywhat1 if fuel passes through there but its an air screw how does that work, you said fuel passes through it, it can only be air or fuel going through it, so what does the pilot screw meter? Fuel or air? (I know the answer, this is rhetorical)
@@bonkeydollocks1879 Fuel does not pass grasshopper but is merely complimented by the passage of air.
salut !! mec !! ça va?
CA va
@@saywhatsaywhat1 yes