Speedometer question - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
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post #1 of 10 (permalink) Old 07-11-2008, 07:07 PM Thread Starter
 
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Speedometer question

So I noticed a couple things about the speedometer that I was curious about.

First thing is the accuracy; I had my GPS with me for my trip and I noticed that the speedometer is between 7 and 10mph off (I'm goig slower then what the speedometer says). I figured it would be about 5mph off max, but 10? Thats alot, anyone else notice this?

the second thing is (and Might relate to the first item) I've been hearing a weird....buzzing noise at around 45mph upto 60mph. It seems to be coming from the speedometer. I bought some anti-seize grease from autozone (I asked if it was going to be able to work the way through the cable, and the guy said yes, well he's an idiot cause it's thicker then most glues). Any one have a clue as to what could cause the buzzing?
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post #2 of 10 (permalink) Old 07-11-2008, 08:31 PM
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There are two screws that you might consider tightening if the speedometer is vibrating at higher speeds. One is the mounting bolt pictured below (click to enlarge), on the left side just below the speedometer, and the other is the small screw on the bottom of the speedometer that holds the casing in place. Always try the simple stuff first...

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post #3 of 10 (permalink) Old 07-11-2008, 11:00 PM
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Quote:
Originally Posted by kkidfall View Post
(I asked if it was going to be able to work the way through the cable, and the guy said yes, well he's an idiot cause it's thicker then most glues).
You can remove the cable from the housing, work it through the anti-seize, then re-insert the cable into the housing. It'll be a messy job though.

As for the speed being off, most here average it to be about 10% off. So at 40mph, you'd be 4 mph off, at 70mph, 7 mph off, and so on....


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post #4 of 10 (permalink) Old 07-12-2008, 12:24 AM Thread Starter
 
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Thanks guys. Actually when I got the bike it had no cover on the speedometer because it was broken (the cover, though the case of the speedometer was cracked as well now that I think about it...) I placed a cover on myself and everything was fine and tight after that so I'm not sure if it is the screws but i'll try tightening them when I get home.
I'll also try taking the cable off to lube it.

As for the speed, I'm right on until I hit 50-55 mph then it goes off by alot.
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post #5 of 10 (permalink) Old 07-12-2008, 01:48 AM
 
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I just did a ride around the Olympic Pennisula today. About 426 miles from my driveway back to my driveway. I saw tons of Washington State Patrol out and about. In several areas the speed limit was 60 mph and I was sitting on 70 on my speedpmeter yet they left me alone. One guy followed me about 10 miles but never came after me.
So I guess I can live with the speedometer being off.
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post #6 of 10 (permalink) Old 07-12-2008, 02:09 AM Thread Starter
 
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Nice, yea I geuss that works. Was more curious about it being so much off. I can't wait till I can do a nice long circle ride like that (all of mine lately have had an end destination for something non-fun).
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post #7 of 10 (permalink) Old 07-18-2008, 04:35 PM Thread Starter
 
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So hate to bring it up again, but....has anyone greased thier cable before? If you have, did you notice a good amount of water on it?
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post #8 of 10 (permalink) Old 07-18-2008, 06:33 PM
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many notice this. Increasing the tire from the stock 100 to 110 size improves the accuracy a lot and most think it gives a better ride.

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post #9 of 10 (permalink) Old 07-18-2008, 10:10 PM
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The bend from the drive gear to where the cable goes vertical is a great place for water to accumulate. It also causes binding there and eventual cable failure. Mine broke a couple of weeks ago and the cable was full of grease. It's a $20, 3 minute repair.

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post #10 of 10 (permalink) Old 07-19-2008, 12:37 AM Thread Starter
 
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Hmm good to know. I'll probably change to a 110.
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