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Speedometer reads way to fast
#440853 04/23/2011 10:14 AM
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I can't imagine that nobody else is having this same problem. It is without question in the speedo head. I'll be driving down my street at about 40 mph and when I look down my needle is pinned. I have a Speedmaster that has been doing this for years and now I have an America that does the same thing. I purchased a speedo on ebay for my Speedmaster and left it on the shelf just in case it really bothers me someday. I'm hesitant to look for another on ebay since 100% percent of the ones I've seen do the same thing. Thoughts?


Strangler
Re: Speedometer reads way to fast
chopperpaul #440854 04/23/2011 10:48 AM
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You're not alone, Paul... mine did the same thing. I got rid of it and mounted a nice little one in the console.


Live to love, love to live.
Re: Speedometer reads way to fast
Keith #440855 04/23/2011 11:46 AM
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I think its one of the idiosyncracies of our bikes. The speedometer on my bike is about 10 mph off. Could of had it replaced during warranty, but didn't. I just follow the flow of traffic to keep the DuWright boys of me. A few years back, there was a thread about this very subject.


Didn't buy into the hype, you can keep the change.
Re: Speedometer reads way to fast
eddieb #440856 04/23/2011 12:03 PM
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Quote:

I think its one of the idiosyncracies of our bikes. The speedometer on my bike is about 10 mph off. Could of had it replaced during warranty, but didn't. I just follow the flow of traffic to keep the DuWright boys of me. A few years back, there was a thread about this very subject.



Yeah, mine's off by about 100 mph. I have seen threads about people replacing them with smaller ones for cosmetic reasons. I own 6 bikes and 3 of them have no speedo at all so you can see where this is going. I would do a different one if the cable and drive unit didn't need to be changed but I suspect that's wishful thinking.


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Re: Speedometer reads way to fast
chopperpaul #440857 04/23/2011 9:35 PM
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Quote:

I would do a different one if the cable and drive unit didn't need to be changed but I suspect that's wishful thinking.



You could dump the cable all together and go with a magnet/sensor unit.


Live to love, love to live.
Re: Speedometer reads way to fast
Keith #440858 04/23/2011 10:25 PM
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Mine will do the same thing. on the way to work it will be pegged when I'm doin 40 and on the way home it will work fine. Last summer it worked ok 95% of the time. worked ok this year so far. When it does act up I just go by rpm or go with the flow of traffic. Someday a newer shinier speedometer will come along.

mike


2006 neon blue speedmaster
Re: Speedometer reads way to fast
mike57 #440859 04/24/2011 7:06 AM
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Haven't seen this yet and we have 2. Mine reads a little fast but only by a few mile and hour, about 10mph at times depending on my speed.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
Re: Speedometer reads way to fast
The_Dog33 #440860 04/24/2011 10:05 AM
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I just went through that myself. It had been acting up intermittently, then developed a screach that I finally was able to attribute to it and not something else - just before she crapped out altogether. Non-repairable. New head about $300 (BikeBandit).

I got lucky and another member here sent me his stock speedo, so until it happens again, I'm fixed for now.

Lots of nice aftermarket options though. I'd take a big tach on the bar and a smaller speedo in the console - but I'm not one to want to have to engineer it all up. Plug 'N Play for me.


Keith
Houston
Ridin'Texas
'04 Speedmaster
AI removed, Pingle, UNI Filter, 1 shim, straight-through slash-cut TORs, Stage 1 DynaJet, 140 mains, 3 turns, 16/42 final drive, 115K
2020 T120 Black
Re: Speedometer reads way to fast
Blackwind #440861 04/24/2011 10:19 AM
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Quote:

I just went through that myself. It had been acting up intermittently, then developed a screach that I finally was able to attribute to it and not something else - just before she crapped out altogether. Non-repairable. New head about $300 (BikeBandit).

I got lucky and another member here sent me his stock speedo, so until it happens again, I'm fixed for now.

Lots of nice aftermarket options though. I'd take a big tach on the bar and a smaller speedo in the console - but I'm not one to want to have to engineer it all up. Plug 'N Play for me.



Yeah, I'm a chopper guy - less is definitely more. My console is on the shelf so the little speedo is out.


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Re: Speedometer reads way to fast
chopperpaul #440862 05/02/2011 10:54 AM
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Mine's the same as yours: http://www.youtube.com/watch?v=ryLH7vzPHns

The odometer works perfectly though, so it's not the cable. Most of the time I use my phone with a GPS based speedo app.


mike '03 Speedmaster

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