Bad tacho is probably due to dead SI (service indicator) batteries. They
are AA size NICADs with solder tags and live right behind the green
service LEDs. You must charge them before installation. This fixed a bad
tacho on my eta.
Vibration could be a bad driveshaft centre bearing or diff mount.
Who needs a life when you've got Unix? :-)
Email: email@example.com, John G.Burns B.Eng, Bonny Scotland
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