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Old April 27th, 2020, 03:56 PM   #1
bayank
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Name: Bayan
Location: Philadelphia, PA
Join Date: Apr 2012

Motorcycle(s): 2007 Ninja 250

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Tachometer sticking to 0 on startup

I've got a 2007 that takes a bit of effort to get the tach working. I'll start it up with choke and have no idea how many RPMs it's at, it's stuck at 0. I'll have to rev it up for the tach to finally move, it will jump up and then it behaves fine and shows me good idle as low as 1300 RPM for the rest of my ride. This happens on every cold start, seems to need a nudge from a stronger signal at higher RPMs to get unstuck. It's gotten worse this year and needs me to really wring it out to like 9k get the tach moving. Don't particularly like doing that when engine is not fully warmed up.

I know my battery is good, I have strong starter cranking and I keep it on a tender most of the time.

I've read several posts about this but no clear solutions were discussed. Not really interested in aftermarket cluster.

Cheers!
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Old April 27th, 2020, 06:12 PM   #2
59096
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Name: Garry
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Most of them do this to some extent. I can usually get mine to work by tapping on the tach face.
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Old April 27th, 2020, 06:18 PM   #3
DannoXYZ
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There's some stiction in needle shaft. I find dripping little sewing-machine oil down shaft lubricates brass bushing and frees it up for good.
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Old April 28th, 2020, 06:52 AM   #4
ssrsupermoto
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mine does that as well, I will try and put a drop of oil in there.
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Old April 28th, 2020, 09:40 AM   #5
greg737
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Quote:
Originally Posted by DannoXYZ View Post
There's some stiction in needle shaft. I find dripping little sewing-machine oil down shaft lubricates brass bushing and frees it up for good.
The Original Poster is talking about a problem with the TACHOMETER not the SPEEDOMETER.

(the Tachometer does not have a "drive shaft" with a brass bushing)
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