Tach reading 4K rpm at idle

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MtnBoy
Settled in member
Posts: 22
Joined: Thu May 29, 2014 12:47 pm

Tach reading 4K rpm at idle

Post by MtnBoy » Fri Sep 18, 2015 6:05 pm

I posted this question on the V4 forum and thought I would inquire here also. Similar systems. At idle, My tach reads 4K rpm. Running through the gears, the tach is off the scale. Bike runs perfectly. 1992 NC30. Any ideas? Thanks and Cheers, Robert
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dunkenb
Regular Member
Posts: 560
Joined: Wed Jun 03, 2009 9:39 pm
Bike owned: Cbr400rr nc29 type8 NSR250
Location: West Midlands

Re: Tach reading 4K rpm at idle

Post by dunkenb » Sat Sep 19, 2015 9:19 am

Check for corrosion on the connectors and also check the earths sounds like it's shorted somewhere. 8-)
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