HondaCB650

Here is what I ended up doing after being unable to make this mod work on my bike. Everything is back to stock. I purchased a set of after market Procom igniters, p/n PEC-C-MH900-A on Ebay for $79.95. The price included shipping from Oklahoma City,OK. The company is Hillery Vending, 10400 Schwartz D...

I put everything back to stock and now have a very weak spark at all 4 plugs. For just a few seconds #4 had a good strong spark but it didn't last long then became weak again. I found the wire harness ground and cleaned it but it made no change. The original problem was that after a few minutes (any...

I cut the wires to the ignition modules but installed bullet connectors. The bike only has 9k original miles so the wire colors are still pretty good. I'm going to go back through everything today with the new info you've sent. I'll let you know what happens later today.
Thanks

Help! I've been following this topic and have read all of it more than once. I installed the mods on a 1981 CB-650 using 4 pin modules with the start boost circuit. I get a very week spark on #2 & 3 only, 1 & 4 are completely dead. The reluctors (pulsers, pulse generators, triggers) read 541...

I'm going to try this mod & today I got all the parts. Looking at the c849 coils how do you tell which wire connection is + or -?