1985GL1200I Pulse Generator


Information and questions on GL1200 Goldwings (1984-1987)
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jimmyschow
Posts: 17
Joined: Sat Aug 05, 2017 2:17 pm
Location: Mpls Mn.
Motorcycle: 85 GL1200I

1985GL1200I Pulse Generator

Post by jimmyschow »



I am having a cylinder misfire issue with my GW. I have included pics of the plugs. It could be fuel related, but at this point i do not think so. Leaning towards electrical, but so far i have new OEM coils, new spark plug wires, checked resistors in plug caps, All good. Checked the pulse generator resistance and the book says 1200 ohms +- 100 ohms. Mine are at 340 and 342 see pics. I also included a pic of the manual. I saw in another topic here that the book might be stating ohm values for a 84 wing. I do know that based on the shop manual, there is 2 sets of pictures for these bikes. So i am looking for clarity. I would appreciate any concrete knowledge. Next order of business for this is to check the air gap on the PG's, which i was hoping to avoid.
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Shadowjack
Posts: 64
Joined: Wed Aug 17, 2011 5:22 pm
Location: Bellevue, NE
Motorcycle: 1977 GL1000
1975 CB750
2011 NT700VA

Re: 1985GL1200I Pulse Generator

Post by Shadowjack »

I've run across this before. The '84 pulsers are 1200 ohms, the '85-'87 are 330. I've checked this on the engines I have here. No idea why. And the ignition modules are different for those years, probably because the pulsers are.

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