77 xs 750 to 850 build


Hello everyone I been working on my 750 to 850 build I blew up the old 750 a few years back finally got around to working on it again and I have the motor all in and everything almost back together I am just running into a few snags hoping for some help all I have left is to get the CDI box wired in correctly I have tried by looking at both wiring diagram and making the harness but I don't seem to have any spark still any help on that would be great and do any one know if the 750 starter works on a 850 I can't seems to get it to go in I have tried rolling the motor over to get the teeth to line up but doesn't seem to want to go thanks in advance and I will get some pictures up on the bike


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