View Full Version : DS-650
01-20-2006, 11:57 PM
I have purchase this and I was later told that my tach would not work after install. The early Tachs have a glass lens and funtion fine but the new DS650 tach's have a plastic lense and these do not. ( so I was told). I was told the new tach's dont support square wave?? Is there an adapter I can buy to allow my tach to work with this MSD ignition? 2006 DS650x Baja
01-21-2006, 12:04 AM
Looking at my schmatic the tack has 3 wires b+, gnd, and the 3rd wire connects to the negitive side of one of the 2 coils. it is a single cyl. with 2 coils and 2 plugs.
01-22-2006, 08:37 AM
Any help would be appriciated
01-26-2006, 01:34 PM
The signal that is produced by the MSD DS650 Ignition is a 12 volt square wave. Most aftermarket tachís can be adjusted to work. I know on some of the tachs that came on the DS 650ís are nonadjustable. If your tach is nonadjustable an aftermarket tach will be needed.
01-26-2006, 06:33 PM
My tach is non- adjustable Oh well
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