Hello, I have been working on my buddies 1985 CB450SC Nighthawk over the past couple weeks. The bike is able to idle, but whenever any throttle is given it starts to die. it seams to die inconsistently, one sec it would rev alright for a sec then the next it would die immediately. Do you know...

Hi there, So I picked up a Cb400t that hasn’t been registered for 9 years. Guy said he dumped it once because of the sticky drum brake and was too scared to drive it again. It doesn’t have a battery, so I attached an external 12v battery directly to the leads. Electric start fires, but no spark...

Hi, I’ve got a 78 cb400ti and am getting no spark. I think I’ve narrowed it down to the CDI. They’re extremely expensive and hard to find. I’ve read in other posts there’s a guy named CDIMagician who makes them but I can’t find him. Anyone know where I can get a useable replacement that not...

Hi all, I have an '83 CM250 with weak spark and need a new ignition coil. The current coil secondary resistance is measuring 13.7 K Ohms and the primary is measuring 2.5 ohms. I have a manual for the bike which says the secondary should be 3.7 K ohms to 4.5 K ohms and the primary should be 1.7...

Hey everyone! I have a Honda CB400A. And lucky for me, my CDI unit went out. As you all know, the CDI units on these bikes are famous for going out. So I’m getting a new one. The only problem is that new CDI’s for this bike are incredibly hard to find. And IF you happen to stumble across one...

New to the forum, hope you guys can help me out. I searched the forum, but no luck. So I'm trying to help a friend with his project. It's a custom trike with a '92 CB250 Nighthawk engine. The wiring is just hacked up bits and pieces, and I need help getting it wired to run. I have a wiring...

Recently bought a 1978 cb400t II. Bike is really low on power and upon checking for spark I saw it was very weak. I've gone through and tested the coil and stator and the only thing not in spec is the advancer pickup sensor. Ant help or advice is much appreciated. Pretty new to a bikes...

I'm presently trying to figure some things out and make this work in my favor. I believe it can be done with sufficient help. IE, LDR or Sonier, since they seem to know a lot about wiring on hand. This is the write up I was looking to Trying to compare wiring diagrams but I can't seem to find...