flattwin94
Guest
Hi, my tach reads higher than it should when bike is running and is VERY slow to return when throttle is closed, just curious if a known issue or maybe needs a thorough cleaning? thanks Rob
Are you saying the revs drop okay but the tacho itself is slow to react ??
How are you so sure the tacho is over reading....have you checked with a calibrated instrument,or is it reading many thousands of revs at tickover for instance ??
P.S.
This may be better in the more apt Airheads Forum
How are you so sure the tacho is over reading....have you checked with a calibrated instrument,or is it reading many thousands of revs at tickover for instance ??
P.S.
This may be better in the more apt Airheads Forum
flattwin94
Guest
correct, revs come down fine. The needle is just slow in returning, also the needle is at 600 rpm when bike is off?
nud1e
Registered user
this was one of the symptoms when the rotor/charging circuit failed and the engine was running from the battery. As the voltage on the battery dropped, the electronic tach started to read about a 1000 revs higher and was slow to fall back.
Check the battery and charging, or the wiring to the tach which might have gone high impedance.
flattwin94
Guest
thanks guys. stock tach, unsure how connected, have not gotten into it yet.
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