Okay the new CDI box came in and I slapped it on during my lunch break. I gave a tug with the inline testers installed and there is now good spark. Came home from work and really got after it. It now starts in one or two pulls. However, thats about it. It idles terrible and has absolutely no throttle responsed at all. 1/4, 1/2 or full....not even the slightest rpm increase and will die.
I have messed with the main screw and the small screw. On both carbs I have the idle air at about 1 1/8 out as I have seen recomended many times. The big screws are out 2 1/2 turns. I have tried various in/out combinations with virtually no difference. I pulled both fuel lines and they pump out fuel when I pullthe rope. I did notice an air pocket at the top of each fuel line as they go over the top of the carbs. They seem not to move, grow or shrink when idleing. The engine does not rev so I don't know if they would suck through at higher rpms.
So as a recap, during this process I cleaned both carbs, changed all fluids, replaced fuel lines, primer lines and filters just because I had everything apart. I don't remember the technical name, but I also replaced the vacum? line from the engine to the fuel pump.
As mentioned at the top of this post, when I originally put this back together and managed to get it started 3 or 4 times (before the CDI completely gave out) it would purr like a kitten until suddenly it would die. I then posted and through your help figured out to get a new CDI.
So now I'm stumped. A sled that ran perfectly fine until I noticed a sporadic miss at WOT, was cleaned real good, and then ran well until the spark issue came up and now that that is fixed it barely runs.
Any suggestions? Could it be an incorrect CDI box? Here are some numbers off the old box "Nippondenso" 070000-0680 Made in Japan. The new one is a Kimpex 01-143-22.
I'm again officially stumped. I'm open to any suggestions.
1981 Blizzard 7500+
1983 Everest 500 (soon to be completed)