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Just a suggestion- can you make a build thread? You can put all of your issues in the single thread instead of having many spread out across the forum. It will be much easier for us to help you out that way!
Agree with wolfe The box you have is off a dohc bike and will not work with a sohc ignition. I would also guess that the harness is off a dohc bike. These bikes also need to have a good battery to create a spark.
Well shit! So basically I'm out a harness and tci box?
Back to the drawing board I guess... Thanks for the help though guys! Really appreciate that.
How do I tell if my bike is an sohc or dohc?
Serial numbers? I think mine say 4t5-000580
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Thats not a DOHC TCI module. TID12-07 with 4 and 6 pin connectors, with 4 and 4 terminals used would be for DOHC XS400's. I'm guessing when I say that I think that TCI module is from a 4 cylinder bike.
My 81 also has a 4R4 harness so I think your fine with that. The ignition box your looking for should look like this. It was used in the 80-82 sohc xs400 only.
My 81 also has a 4R4 harness so I think your fine with that. The ignition box your looking for should look like this. It was used in the 80-82 sohc xs400 only.