September 27, 2010, 08:59:13 AMI would probably call the tech dept. at Classic Motorworks and inquire to see if your model uses the same electronic ignition system as the Electra. If so I'd think you're good to go.
September 26, 2010, 10:02:42 PMNo adapter needed. The Electra fires twice per cycle, once on the power stroke, the other on the exhaust stroke. The tach sees the signal it needs to make an accurate display of revolutions. Good luck
September 26, 2010, 09:56:19 PMDid you need to use the Crane Cams Interface Adapter, part number 381-331? It is listed under the notes for using the mini tach on a single cylinder, on the J&P site.