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Posted by scamp62
 - October 26, 2014, 20:47:20 PM

Then is the Drifter considered a dual fire ignition ?

Posted by Troll
 - October 26, 2014, 18:16:43 PM

Tapping both coils will likely keep the engine from starting at all, since each signal wire is actually the ground for the coil. Most tachs, at least they used to, have an adjustment on them for # of cylinders. When installing a tach on a Harley with single fire ignition, a special filter is required to get a reading from the coil. I'll bet that the waste spark system on an 800, using only 1 coil per cylinder, will signal on both the exhaust and power strokes, so there will be no issues with the tach reading 1/2 rpm...

Posted by scamp62
 - October 26, 2014, 18:03:00 PM

A little help from the brain trust out there please !
Installing an electronic tachometer on my  800. The question I have is there is a single engine signal line that is to go to the coil, is going to one coil going to give me a true reading, or should there be a line to both coils ???
Any advice would be greatly appreciated.

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