ignition control module

Hi! I bought a Yamaha XS400 12e 1983 last year and it was running fine but needed service and new sealings in the front fork.. The old battery was not keeping the power so I had to buy a new one but when I tried to start the bike it will not start...? The starter is running fine and I've checked...

Hello guys, A few years ago when I switched my 78 from points to TCI I replaced all of the electrolytic capacitors in the ignition. These type of capacitors only have about a 10-15 year lifespan sometimes so its a good measure to replace them right at the start. After doing so the left...

Is this normal? Bike was running beautifully several weekends out, then one day began misfiring on the right side. Right side plug looked fouled, I though a fresh spark plug would solve the problem but didn't. I noticed when the plugs were out that both cylinders have spark however when I turn...