One ignition coil that replaces OEM 30500-422-013. It has primary coil measured resistance of .4 ohms, +/- .04 and secondary coil measures at 22K +/- 5K giving it a fairly rapid rise time when fired.
Fits 80-81 GL1100 and these Honda models:
CB650 79-82CB650C Custom 80-81CB650SC Nighthawk 82CB750C Custom 80-82CB750F Super Sport 79-82CB750K Limited Edition 79CB750K Four 80-82CB750L 1979CB750SC Nighthawk 82-83CB900C Custom 80-82CB900F Super Sport 81CB1000 83CB1100 83CBX Super Sport 79-82
NOT TO BE USED IN 1982 AND 1983 MODELS where the coil design changed considerably and has a less volatile rise time that is partly tamed with the extensive use of ballast resistors. Use of the incorrect coil design can result in extensive engine damage, from holed pistons to ruined rod and crank bearings.
HISTORY: OEM 30500-422-013 was used extensively on models ranging from the SOHC CB650 to the DOHC CB750, 900, 1000, 1100F and CBX from 1979 through 1983. Check existing coils for the correct TEC number when replacing in this model range, and verify on the Honda microfiche services available online.
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