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Unread 11-13-2011, 12:07 PM
Orlando Orlando is offline
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ok update, got spark, was a brand new bad spark plug causing all the problems, swapped in another new one and shocked the crap outta myself. started motor, tries to run counterclockwise, backwards. is that a timing issue? or is there something else i should try
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Unread 11-14-2011, 11:16 PM
cterrebonne cterrebonne is offline
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Quote:
Originally Posted by Orlando View Post
ok update, got spark, was a brand new bad spark plug causing all the problems, swapped in another new one and shocked the crap outta myself. started motor, tries to run counterclockwise, backwards. is that a timing issue? or is there something else i should try
had that same thing happen to me on a yamaha 115 v-4 new plug was doa.

hard to say im not familiar with nissans. you might have either the plug wires switched around or you have something switched under the fly wheel. Before you do that make sure that the flywheel is lining up top dead center. that will make sure you didnt put the flywheel on wrong. I looked at the schematic and it seems pretty hard to put back together wrong. are the coils under the flywheel adjustable? Maybe try the wires, In the schematic they show that the bottom goes to top and the top to bottom. I'm grasping at straws here.
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Unread 11-15-2011, 08:04 AM
Orlando Orlando is offline
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both plugs fire at the same time on this motor, so doesnt matter wich spark plug wire is top and bottom.i pulled flywheel, everything looks good, double checked all wiring. the coils are not adjustable. i've set top dead center and lined up the gaps in the magnets on the flywheel with the trigger coil, tried again, still running reversed. so i started playing with the timing plate adjustment, tried it at full advance and full retard and about 6 places in between and still tries to kick the motor backwards. so im thinking its the trigger coil shorting out internally, the resistance test on it shows the resistance at 57 specs say between 30-45. is there any old school, not in a manual, test or solution for the trigger. cant find anywhere that sells them, and nervous about making one myself and hooking it to a 200 dollar cd box.
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One of these days i will manage to get everything working as it should.......yeah right

76 v20 cuddy w/ 78 johnson 175 and 15hp nissan pulled by a POS ford bronco or a 84 diesel suburban
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Unread 11-15-2011, 05:08 PM
Orlando Orlando is offline
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decided to say screw it, picked up a johnson cd2 box and trigger. those are cheap and plentiful, and will serve my purpose for testing wether the trigger is bad or not. might not get it to run right, but can atleast se if that makes it try to run in the right direction. if it does, i'll either try the johnson trigger, wich has the same output voltage, or send mine off to be rebuilt
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76 v20 cuddy w/ 78 johnson 175 and 15hp nissan pulled by a POS ford bronco or a 84 diesel suburban
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Unread 01-18-2012, 11:06 AM
Orlando Orlando is offline
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just to update, the new cdi box was bad, after replacing the entire armature plate and getting nowhere i replaced the cdi with a used original i found on ebay and she fired up running the right way on the first pull. just goes to show cant even trust brand new parts
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76 v20 cuddy w/ 78 johnson 175 and 15hp nissan pulled by a POS ford bronco or a 84 diesel suburban
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