Speedometer has a limit
Moderators: notoptoy, S Allen, Solex68
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- Roadster Nut
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- Model: 2000
- Year: Low Windshield-64-67.5
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Speedometer has a limit
I have a 66 roadster that I just purchased and the speedometer will not exceed 45 mph. It seems accurate up to that point but just maxes out. Any ideas?
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1966 Datsun Roadster stroker
1966 Alfa Romeo Giulia 1300TI
2021 Ducati 950S
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- theunz
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Re: Speedometer has a limit
Bigger engine probably need to get inside the unit to find the problem. They can be rebuilt or you could probably find a used one for a reasonable price.
Mike M
Old enough to know better, too old to remember why!
1969 2000 solex mine since 1972, under resurrection. (Finally resurrected as of spring 2019!)
1969 Porsche 911s -worth more, but not as valuable! Gone!
2017 Lotus Evora 400 - Oh my!!
Old enough to know better, too old to remember why!
1969 2000 solex mine since 1972, under resurrection. (Finally resurrected as of spring 2019!)
1969 Porsche 911s -worth more, but not as valuable! Gone!
2017 Lotus Evora 400 - Oh my!!
- spl310
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Re: Speedometer has a limit
Honest Officer, I am not saying that your radar is wrong, but my speedo only said 45mph....
"Wow, a Roadster!" Stuart Little
1967.5 2000
1967.5 2000
1964 1500
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1968 chassis
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2013 Volkswagen Jetta TDI wagon
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1967.5 2000
1967.5 2000
1964 1500
1964 1500
1967.5 1600
1968 chassis
2006 Acura MDX
2013 Volkswagen Jetta TDI wagon
1995 F350 Powerstroke!
More...
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- Roadster Nut
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Re: Speedometer has a limit
I had a 720 that had the same problem, but with the tachometer.
Upon disassembly, found that the drum had small spots of rust on it. The clearances were so tight that that tiny bit of rust would prevent the needle from going past 3000 rpm. Some very careful scraping with a small pick remedied the problem.
Upon disassembly, found that the drum had small spots of rust on it. The clearances were so tight that that tiny bit of rust would prevent the needle from going past 3000 rpm. Some very careful scraping with a small pick remedied the problem.
Bryan Edgar
1969 SRL31107340
1976 H/D Sportster 1000
2018 Nissan Leaf
1969 SRL31107340
1976 H/D Sportster 1000
2018 Nissan Leaf
- caraddict
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Re: Speedometer has a limit
The drum on the 65/66 and 67 speedo's and tach's tend to gradually slip on the shaft which doesn't change the calibration but ends up moving the stop to random locations. Unfortunately you will need to tear it apart to relocate it and secure it in place.
Jon
Jon