Odometer at 0 above 40 mph - Honda Rebel Forum
 
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post #1 of 8 Old 04-23-2019, 05:09 PM Thread Starter
 
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Odometer at 0 above 40 mph

Hi all,

Since you guys are great help, here I am with another question :

For the past week, the odometer hasn't been very accurate. Every time I change gear, if I go higher than 40 mph or at any bump from the road, it goes to 0 mph. So my miles counter stays at zero as well.

I'll try to take a look this weekend, I've seen here and there that I should check the cable and maybe re-grease it. If you have a good video or some pictures showing how to do that I would be more than happy.


But first, I'd like to ask a potential stupid question : if the odometer is not working, the "historic" mileage of the motorcycle stays the same, right ? Is there any redundant system ? So someone disconnecting the odometer would have a very low mileage on his old bike. Is that possible ?

I'm asking because my bike is from 1996 with only 5000 miles, and I've always been surprised about this number. So i'm wondering if the odometer has been not working for a while and I actually don't know the mileage of the bike...


Cheers !

A new biker from France !

1996 Rebel CMX250C - So far, everything works...
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post #2 of 8 Old 04-23-2019, 05:57 PM
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Hopefully, lubricating the cable will fix things. If the speedo isn't registering miles, the odometer won't go up or down. It isn't unusual to find older Rebels with low mileage.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
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post #3 of 8 Old 04-24-2019, 07:50 AM
 
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The odometer and trip counter are directly connected to the cable through a lot of reduction gears, the speedometer needle is connected to a spring-loaded metal cup that surrounds a magnet that is spun by the cable. The faster the magnet spins, the more torque it applies to the spring loaded cup and so the needle moves to a higher number.


The speedometer needle is calibrated at the factory by bench testing and adjusting the tension on the spring before sealing it up.



It is possible for the odometer to work and the speedometer to fail. Take a test drive above 40 where the needle drops, and watch for the 1/10ths on the trip counter to change ... or not.
Lube the cable is a good idea.
Also check that the screw on collar connector is going on all the way and not cross threaded.
Attached Images
File Type: jpg speedometer.jpg (34.7 KB, 20 views)

2009 Honda Rebel 250; 2009 Honda Shadow 750 Spirit
"The bravest thing for me to do is admit when I am wrong" - unknown
HRF Answer #1 You should take the MSF Rider Course
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post #4 of 8 Old 05-07-2019, 10:11 AM Thread Starter
 
Join Date: Oct 2018
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Thanks for the explanation. It's done in a pretty smart way, I like it !

Last week, the needle bumped bumped and then stopped moving at all. While going down the cable to check what was going one I realized it has been totally snapped. At least, I know what's going one now

So I guess I need to buy the whole thing now ? I'll try to take a picture later today.

A new biker from France !

1996 Rebel CMX250C - So far, everything works...
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post #5 of 8 Old 05-07-2019, 11:11 AM
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The cable is separate. See diagram for details. https://www.cheapcycleparts.com/oemp...20/speedometer

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #6 of 8 Old 05-07-2019, 05:00 PM Thread Starter
 
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Quote:
Originally Posted by flitecontrol View Post
The cable is separate. See diagram for details. https://www.cheapcycleparts.com/oemp...20/speedometer

Yep, but unfortunately, the whole thing came out as you can see on the attached picture. So I'll have to replace the part on the wheel + the cable. The part on the wheel is this one right ?

BOX ASSY., SPEEDOMETER GEAR
https://www.cheapcycleparts.com/oemp...05/front-wheel
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File Type: jpg 20190507_162341.jpg (249.4 KB, 4 views)

A new biker from France !

1996 Rebel CMX250C - So far, everything works...
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post #7 of 8 Old 05-07-2019, 06:12 PM
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Cant tell from your picture, but yes, if the speedo gear/box assembly is broken, it will have to be replaced too.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #8 of 8 Old 05-08-2019, 06:27 AM
 
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Actually it looks like only the cable is broken, the piece you can see is held in with that cross tip screw, and should come cleanly out of the spedometer-gear-box-assembley.
Attached Images
File Type: png spedometercablebroken.PNG (186.0 KB, 6 views)
File Type: png spedometercable.PNG (27.2 KB, 2 views)

2009 Honda Rebel 250; 2009 Honda Shadow 750 Spirit
"The bravest thing for me to do is admit when I am wrong" - unknown
HRF Answer #1 You should take the MSF Rider Course
HRF Answer #2 You need to clean your carburetor
HRF Answer #3 Sorry we assumed if you didn't say otherwise
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