Fixing a noisy, malfunctioning speedometer


Information and questions on GL1100 Goldwings (1980-1983)
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montgomery63
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Fixing a noisy, malfunctioning speedometer

Postby montgomery63 » Sat Jun 09, 2012 11:48 pm



My speedometer has become very noisy, almost constantly squeaking and making a vibrating noise. Occasionally when at speed, the noise gets very loud and and the needle goes haywire, bouncing back and forth from 0 to 85. I've been looking for a replacement speedometer, and can't believe how much they cost. Used ones seem to be in the $150 range. Does anyone know if a speedometer can be opened and serviced or lubricated with graphite to run smoother? Or is a speedo done for when it starts acting that way? Anyone have any good sources for used speedometers? Thanks.



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seabee_
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Re: Fixing a noisy, malfunctioning speedometer

Postby seabee_ » Sun Jun 10, 2012 8:51 am

Start with the easy stuff first. Disconnect the cable and get some lubricant down the cable. Sounds like the cable might be binding. Graphite is best but sometimes hard to work down the cable. 3 in 1 oil works good.
Paul
CE1 Navy Seabees/RET
1981 to 2002
ASE Mechanic

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montgomery63
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Location: St. Charles, MN
Motorcycle: 1982 GL1100 Naked Wing

Re: Fixing a noisy, malfunctioning speedometer

Postby montgomery63 » Sun Jun 10, 2012 6:05 pm

seabee_ wrote:Start with the easy stuff first. Disconnect the cable and get some lubricant down the cable. Sounds like the cable might be binding. Graphite is best but sometimes hard to work down the cable. 3 in 1 oil works good.


Thanks for your input. Actually, I have a brand new speedo cable installed, and even replaced the speedometer drive unit. It wasn't until I replaced all that that I realized it was the speedometer making the noise.

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seabee_
Posts: 494
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Location: sterling heights, mi
Motorcycle: 1985 Honda Goldwing GL1200
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1977 Kawasaki kz400
1978 Suzuki GSXr750
1980 Kawasaki GPZ400
1975 Honda CB360T

Re: Fixing a noisy, malfunctioning speedometer

Postby seabee_ » Sun Jun 10, 2012 6:33 pm

You can try opening it up and checking the internals. Don't know for sure if they're repairable, but who knows? You might get lucky and find an easy fix for it. Have you tried a forum search to see if anything comes up?
Paul
CE1 Navy Seabees/RET
1981 to 2002
ASE Mechanic

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bcassel
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Re: Fixing a noisy, malfunctioning speedometer

Postby bcassel » Sun Jun 10, 2012 11:13 pm

get yourself a two foot section of 3/8" vinyl tubing and some light weight oil (sewing machine, three in one, etc). Remove the speedo cable connection and press one end of the tubing onto the back of the speedo. Raise the other end of the tubing above the speedo about 18 inches and fill the tubing with the light oil. Tape it to a broomstick or some such and leave it there for an hour or so. Drain the oil in the tubing off, remove and replace the cable. I'll be it solves your problem, did mine.

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seabee_
Posts: 494
Joined: Sun May 29, 2011 8:17 pm
Location: sterling heights, mi
Motorcycle: 1985 Honda Goldwing GL1200
117k miles
1977 Kawasaki kz400
1978 Suzuki GSXr750
1980 Kawasaki GPZ400
1975 Honda CB360T

Re: Fixing a noisy, malfunctioning speedometer

Postby seabee_ » Mon Jun 11, 2012 9:41 am

I like your idea bcassel, another trick to throw into the memory bank. :D
Paul
CE1 Navy Seabees/RET
1981 to 2002
ASE Mechanic

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montgomery63
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Location: St. Charles, MN
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Re: Fixing a noisy, malfunctioning speedometer

Postby montgomery63 » Tue Jun 12, 2012 7:00 am

Thanks, bcassel. I'll give it a try.

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SteveB123
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Re: Fixing a noisy, malfunctioning speedometer

Postby SteveB123 » Tue Jun 12, 2012 9:57 am

seabee_ wrote:You can try opening it up and checking the internals. Don't know for sure if they're repairable, but who knows? You might get lucky and find an easy fix for it. Have you tried a forum search to see if anything comes up?


I saw a how-to, I think on Saunders, on how to open, clean and lube the speedo, but the site is currently down.


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