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General Category => General Discussion => Topic started by: Tom H on August 19, 2024, 06:33:52 PM

Title: V7 III Speedometer Needle Issue
Post by: Tom H on August 19, 2024, 06:33:52 PM
I have now seen at least two V7 smallblock variants that the speedo needle is at or over the 130mph mark with the key in the off position. When you turn the key to on, the needle sweeps from it's about 130mph resting point clockwise towards 0mph and continues to ?? (I forgot the mph it swept to) and then sweeps back counter clockwise to 130mph again and stays there. So it seems to be working, just the needle is not stopping where it should at about 0mph and doing it's sweep from there.

When your riding the bike the speedo moves, but would show, lets just say 0mph, and you know you are doing like 30-40mph.

Has anyone heard of a fix for this? Or has it crudded out and you need a new speedo?

I did some research on this, the needle is controlled by a stepper motor and has electronic needle stops. Also read about maybe the needle came loose and needs to be pulled off and reset, but most found that doubtful. But unfortunately There was no fix for this posted.

Any thoughts??
Tom
Title: Re: V7 III Speedometer Needle Issue
Post by: guzzisteve on August 19, 2024, 07:43:51 PM
A friend of mine has a Racer & it was doing that & needle came off, he ordered a new one. Dealer sold it to him at his cost cause this stuff should not happen.
Title: Re: V7 III Speedometer Needle Issue
Post by: Kiwi_Roy on August 20, 2024, 11:03:05 PM
With a stepper motor instrument if you power down it will stay where it is.
I\m not certain this is the problem, perhaps it has a loose power feed.
Title: Re: V7 III Speedometer Needle Issue
Post by: dragger on August 21, 2024, 12:02:26 PM
Not sure about the speedometers but the needle coming loose on the tachometers of these is very common. When it happened to mine I took the lens off and reset the needle to fix it.
Title: Re: V7 III Speedometer Needle Issue
Post by: Tom H on August 21, 2024, 02:42:58 PM
Thanks for the replies so far. Still a bit of a mystery I guess?

Tom