1980 GS550L coil

[Guest]

Greetings all. I have a 1980 GS550L that has no spark on 2&3. Sparks on 1&4. I would like to buy a replacement coil. What is the cheapest alternative? And best place to get it from? Thanks!

[JTGS850GL]

Most likely not the coil. Have you tried swapping coils to verify the cause? Hate to say it, but the 550 was noted for having a weak igniter. Might want to look a little closer before you spend the money on a coil.

[Diabolerie]

First, thanks for responding! I have not tried anything yet, I just picked this thing up. The guy I bought it from said it had a bad coil, and turning it over with the plugs out I did see that 2&3 had no spark. I made an assumption. How do I test the igniter?

Most likely not the coil. Have you tried swapping coils to verify the cause? Hate to say it, but the 550 was noted for having a weak igniter. Might want to look a little closer before you spend the money on a coil.

[80gs550e]

Diabolerie, first i would do the "Signal Generator Test" if that checks out good then do the "Igniter Unit Test".
Most likely is your Igniter