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motor type

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

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I'm looking to buy the dyna S ignition for my 78 gs750. Problem is, on their site they list two different part numbers that match my year and engine size. one is for an ND type and one is for KD type. I have no idea what this is refering to or how to know which I have.

I'm guessing there is an obvious answer but i'm new to the bike and am still pretty clueless.

Any help?
 
I know the "77" GS 750's came with either of 2 different ign. systems. ND stands for Nippon Denso, but for the life of me, I can't think of the other. You will need to know which yours is. May be etched on the points, points plate, or possibly on the coils
 
The other choice is Kokusan. The Kokusan system was used on early models. The easiest way to tell the difference is to look at the condensers.
If they are laying flat against the points plate,one on top of the other, you have a ND ignition. If they are sticking out perpendicular to the points plate & side by side, it's kokusan.
I can send you a pic of the ND setup. Email me if you need it

Terry
 
If you look at the schematics on Bike Bandit or other on-line store (there is one for ND and one for Kokusan), you can see what humhead is referring to with the condensers.
 
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