medic5100

It ran very smooth just seemed to lack cruising speed 3-4k rpm felt like it was dragging prior to connecting wire. Carbs sync was even 4/4 and right to left, this wire connects the power lead from coil to coil...

Was wondering if anyone has run into this before. I just resurrected a pristine 1984 venture 20k original miles, the bike was a mess when I got it but she's alive and kickin. I rebuilt carbs, heavily varnished. Synched ran but poorly alot of popping and poor power so I pulled the TCU and it was shot full of corrosion and water, I also noticed a homemade jumper wire going from the 3 to 4 coil, I cut but left in place, then went and bought a used TCU and it ran alot better but still not right. I then reconnected wire and it runs like a champ.. Any thoughts, I'm afraid its overdriving the drivers in the TCU, is the TCU bad, is the coils bad, is the pickups bad?. Anyone done this and why. Thanks Mike