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The tach runs off the back of the fuel pump, the speedometer runs off the wheel.
Tach cables are super cheap (in comparison) Use a new cable, lube it well before installing, and you should be able to find the routing diagram in the service manual, or if not, I can look at mine in the morning.
You call always try a new cable, a tach, and just hold the tach with the cable straight out with no bends. See if you can duplicate the problem with the tack and cable not installed on the bike (except for the tach cable into the pump)
The tach runs off the back of the fuel pump, the speedometer runs off the wheel.
Tach cables are super cheap (in comparison) Use a new cable, lube it well before installing, and you should be able to find the routing diagram in the service manual, or if not, I can look at mine in the morning.
You call always try a new cable, a tach, and just hold the tach with the cable straight out with no bends. See if you can duplicate the problem with the tack and cable not installed on the bike (except for the tach cable into the pump)
