Tachometer rests at 1500 rpm

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VTR-Norway
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Joined: Fri May 31, 2024 6:02 pm

Tachometer rests at 1500 rpm

Post by VTR-Norway »

Hi,

This is a new one to me.

The tachometer needle rests at 1500 rpm when the engine is not running.

It seems to me like it is correct when above 1500 rpm (My ear dyno).

Why would the tachometer needle rest at 1500 rpm?

Thank you.

Ole Knut
Stupid is as stupid does
tony.mon
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Location: Norf Kent

Re: Tachometer rests at 1500 rpm

Post by tony.mon »

Im assuming that when it's running, it behaves normally? When you lift the revs a little over tickover does it sit at 1700 or 3200?
If the latter, then the needle has moved in it's shaft. If not, I'd guess that there is a mechanical reason, something blocking it being able to return to zero.
Take it apart and have a look.
It's not falling off, it's an upgrade opportunity.
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VTR-Norway
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Re: Tachometer rests at 1500 rpm

Post by VTR-Norway »

tony.mon wrote: Sun Jun 02, 2024 12:21 pm When you lift the revs a little over tickover does it sit at 1700 or 3200?
Yes. So does opening it involve violence, or is this meant to be possible?
Stupid is as stupid does
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freeridenick
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Re: Tachometer rests at 1500 rpm

Post by freeridenick »

VTR-Norway wrote:
tony.mon wrote: Sun Jun 02, 2024 12:21 pm When you lift the revs a little over tickover does it sit at 1700 or 3200?
Yes. So does opening it involve violence, or is this meant to be possible?
I think it's just a few screws on the back of the dash to separate the clocks from the black outer cover.

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VTR-Norway
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Re: Tachometer rests at 1500 rpm

Post by VTR-Norway »

Thanks. I'll have a look into it.
Stupid is as stupid does
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