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Alright so I think I'm not getting spake because I'm not sending power to the cdi boxes from the ignition on off switch. This would be the I belive 9 pin red plug. So my question is which wire is responsible for sending power to the cdi boxes? Thanks

What does this green wire with the loop connector on it do? I thought it was a ground but the engine won't turn over when it's connected to ground. When it's connected to 12v hot thought the engine turns over.

I bridged the red and black wire to make the harness live with 12v then I grounded my sensors as one them was bad preventing me from turning the bike over. Then I bridged the black wire to the yellow and red wire on the red plug to get it to crank. Tye bike cranks through the harness but it...

I don't have any keys or switches hooked up I just have a wire going from one of the pins to another one of the pins in on the clips that would plug into the ignition and start switch

So I got a harness for the bike and have the harness grounded aswell. I Bridge the igniton with a wire so the harness is hot and then I bridge a wire to the start and just tap the wire to get it to crank. So my coils, cdi, stator and everything is all on the same harness. Maybe I'm not grouding...

So I've got new coils, plug wires, plugs aswell as new cdi boxes snd I still don't have spark. Tye battery is good and it cranks fine. Keep in mind I have the motor on a stand and am grounding everything to the battery. I'm perplexed at what else it could be? Any ideas greatly appreciated.

no, which is how I know the starter is tye problem

Yes

The motor is on a stand because I'm gonna put it on a gokart. But I pulled the starter apart because when power was hooked up I heard the solenoid click but nothing happened to the motor. No sound at all from the motor.

My 1981 cb750k has a bad starter. I took it apart and the brushes are within spec and I've already blown out all the carbon buildup and crap so I'm wondering what else it could be? The battery I'm using is good and connections were solid. Also is there any starters for under 80 bucks? I've seen...

Okay thanks I will, do you know if I can buy the same cdi units or if one is different then tge other

Okay thanks, one more thing, the cdi's aren't cheap new. For two It's looking close to a little under 300. Other then going used is there any cheaper options? I though there would be more aftermarket support as 750s are common?

Okay thankyou, does the motor also have points? Because I've seen on ebay electronic ignition kits?

Hi all just acquired a 81 750k motor. Got what I think is all the electrical to make it run minus the cdi. My main question is if I need two cdi's or if I can just get away with one? I've seen some bikes have two. I'm not familiar with the CB's so any help would be welcomed.