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Showing results for tags 'sparatic tach'.
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Hey everyone. New to the forums here and new to ventures. I picked up an 83' which had been sitting for probaly5+ years. I had it running last year but it was running really rough and chugging fuel like a frat boy chugs 4loco. So I ended up tearing the carbs apart and cleaning them. Got it back together and now the bike runs rough (though it starts a lot easier). I can tell she really wants to run but something is holding her back, I am guessing the timing. The tach jumps all over the place and sometimes just sits at zero while running. I have already remounted my TCI and found that the bosst sensor is bad (its putting out 6.3v at atmospheric pressure). Even with that unplugged it runs rough. I also get lots of backfires, mostly just little puffs from the #2 carb. I have also tested the fuses and coils which seem to be good. dash cluster works fine as well. I know all the timing is computer controlled which I hate, I almost exclusivly have owned 80's vechicles because of how easy they are to work with due to lack of computers. That said, for the few seconds at a time when the bike decides to run right I can understand why people love these bikes so much. Anyways, I go another boost sensor on the way and after reading some threads here got brave enough to cut open my TCI and think I found a few issues in it but could use some help as to what I should actually do with it (I do have honed soldering skills) Here are a few images of it. The bottom of the board looks good, that black wire I added in as the eched in wire looked like it was on it way out. As for the top of the board, I think it speaks for itself. Thanks in advance for the help and hope to be able to ride alongside some of the Pacifc North West members soon!
