classic motorcycle forum
Motorcycle Discussions => Japanese Bikes => Topic started by: cb160guy on April 20, 2007, 01:22:01 AM
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I just refurbed a 1966 cb160 and it looks and rides great, but my first speedometer went out, not matter how fast i was going it would pin itself at the right end. I bought a new speedo and replaced it and it worked for a little while, but recently it has been acting funny too...when i hit around 45 or 50 mph it starts just jumping back and forth on about a 20mph swing...do these things really go out that often? Is there anything I can do to fix this or anywhere i can send it to get it fixed? Thanks much!
cb160guy
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It could be your cable. Often a sticky cable can give very strange readings. Try lubricating it first.
Nigel
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Hi
I had the same problem with a NOS speedo head off a Honda 750 K7.
These things were manufactured 30 or 40 years ago and the internal lubrication can dry out a little.
The trick is to drill a small hole in the back of the speedo head and lubricate that way.
Good luck
Grizzly
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what should i use to lubricate it?
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Light Oil
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Hi
I had something simular on my '79' superdream, I just removed the speedo turned it upside down a let a little light oil soak in to the input drive coupling. It lasts a couple of years till it needs doing again, perhaps there's a longer lasting lubricant for the job?
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Perhaps chain lube? These generally come with the "straw" arrangment to put a stream of lubricant precisely where it is needed. So if you drill a hole sufficient for a light oil to find it's way in, then a spray of chain lube sounds like it would do the trick. Or if you think it is dried up grease that is the culprit, you may want to give it a blast of WD-40 first. (Followed by chain lube.)
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my honda gave similar problem,it was the speedo drive gear .fine , then jerky,teeth-lugs broken?