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Discussion Starter · #1 ·
I just paid $232.00 to have my '79 speedo repaired. It was whining/screeching and the needle was bouncing at 50+ mph. I asked the repairman what he did and he said it was completely gone through, and that I should expect years of uninterupted service from it.



That may sound like alot, but considering I saw a '79 (120 mph) recently go for $93.00 on Ebay, and that mine had just over 3K miles on it (including the "service at 6K" sticker) I think it was worth it (IF IT WORKS!)
 

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The question is still what was fixed. I have taken my share of speedometers apart and I could only imagine the parts that would need changing might be the magnet and the needle spring.



For that price I would be on my way to buying an acewell gauge but good to hear you got it fixed.
 

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Discussion Starter · #3 ·
The question is still what was fixed. I have taken my share of speedometers apart and I could only imagine the parts that would need changing might be the magnet and the needle spring.



For that price I would be on my way to buying an acewell gauge but good to hear you got it fixed.


I asked him specifically what he did and I think he said besides "going through the whole thing" that "it was hitting the frame".



As you can probably tell, I'm still in the "stock/original" frame of mind. If this doesn't work out, I'll look to go in another direction.
 

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Discussion Starter · #4 ·
BTW Don, do you have an Acewell recommendation? I see only a few on Ebay. Thanks.
 

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As you can probably tell, I'm still in the "stock/original" frame of mind



I've been the same way and I'm always on the lookout for a spare that goes to 120 but they're far and inbetween. I've also got low mileage on mine thus I'd hate to end up with one that has a higher mileage on it. I suppose you could rig a cable + motor to one and run it until it turned back over. Mine was acting up but we think we fixed that with a new OEM cable.
 

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The tach on my 450 was bouncing all over the place. I took it to a spedo repair shop and he wanted $130 to repair it. I wound up buying a NOS one on e-bay for less money. One woed of caution, many people told me to spray a light oil into the drive hole. DO NOT DO THIS!! Not only did it not fix the problem, the guy at the spedo shop sai,"now I have to clean all of that stuff out".
 

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A very tiny microdrop of 3-1 oil is all you need and don't leave the tach or speedo upside down for more than about 30 seconds afterwards.
 

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Speedometers can also be reset if you don't mind opening them up. All it takes is pressure on the numbers from the backside and pressing in a downward direction. Only do one number at a time.



I see no reason that oils would hurt the speedometer as long as they are small quantities and not hosing down the speedometer.
 
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