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ABS phonic wheels replaced, speed problem solved


365moto.eu
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Hi from Italy,

 

as many of you already know the speed tachometer of T7 is not perfect. I mean the indicated speed is about 10% more than real. This means you have: a false perception of the speed, anticipated maintenance, more km when you'll sell the motorbike, etc.

 

I found in a french site:

 


Retrouvez ici des articles de voyage en moto, des test matériels, et suivez la préparation d'un voyage de 5 mois en Sibérie en 2020!

 

info about a solution:

 

 

It's a technical Latvian seller of luggage systems and other items.

They sell two modified ABS phonic wheels, with 42 holes instead of 46 (oem). 

I wrote to them and they confirmed me they have/produce the couple.

 

Cost is about 45 euro (+10 euro for shipping into Europe): 55 euro

 

ABS functionality is perfectly ok, and difference is not perceptible.

 

Here some photo of the new phonic wheels:

16108969259684.thumb.jpg.6df3ff16ce72151c49571ee340b17f5c.jpg

 

16108969258612.thumb.jpg.937480c8bc5fc8cf4acd0dd196795247.jpg

 

Installation:

16108969257430.thumb.jpg.52b061fb3274a7ac192f5550dda14ae1.jpg

 

 

And now some photos of the result - before and after installation - at different speed.

 

BEFORE (oem phonic wheels):

 

aa-55.png.cf5cf09f54925596a1f20a9bc3a4039c.png

 

bb-80.png.1984ee0b9a0f0afb84cdfb0a1d24df70.png

 

cc-100.png.1f81b7ad578158c7669a415e45e7c191.png

 

dd-120.png.048ff3d2b7743e56fd93d2f62f37e833.png

 

AFTER (new phonic wheels):

 

01-55.thumb.png.d7043a357c105470a55cbcce44c6ce89.png

 

03-80.thumb.png.c385940661f1b2ba16b8aaa3879cd21e.png

 

04-100.thumb.png.4f6e86d164869487002d02b8f244d840.png

 

 

 

 

 

 

05-120.png

Edited by 365moto.eu
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Are we saying the the miles are 10% as well so

3500 miles and the bike has showing 350 miles too many?

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31 minutes ago, Matth said:

Are we saying the the miles are 10% as well so

3500 miles and the bike has showing 350 miles too many?

Yes, ten percent more.

If you use a phone gps app, you can check it.

And this means that you have 3.500-350= 3.150 miles...

 

Edited by 365moto.eu
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Oem speedo ring shows speed 10% too much, distance is only 1-2% more. The 42 hole ring speed is correct but the distance is 8-9% less than the GPS measurement. OEM 46 hole ring, the distance is almost correct and the speed 10% more.

 

Yes, I have measured these results and I switched back to the OEM ring.

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@365moto.eu I guess you have missed the thread and all the development that has gone into developing these together with other forum members.. I have been selling these ABS rings for more than 10 months now. 

Aleks 

 

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3 minutes ago, 365moto.eu said:

Hi @Aleksandar13, yes I followed your thread. 

It's ok for you if I mentioned this latvian supplier?

 

Yes I don't mind not a problem. 👍 

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21 hours ago, Murska said:

Oem speedo ring shows speed 10% too much, distance is only 1-2% more. The 42 hole ring speed is correct but the distance is 8-9% less than the GPS measurement. OEM 46 hole ring, the distance is almost correct and the speed 10% more.

 

Yes, I have measured these results and I switched back to the OEM ring.

Hi @Murska, I admit... I suspected this.

And today (18/1/2021) I've verified me too.

 

Here below my 20 km test:

 

Yamaha odometer:

179448243_IMG_20210118_08505301.thumb.jpg.4f96f1115abc5f8305952a381e82e808.jpg

 

(Real) GPS distance (Osmand with 1 second polling):

Screenshot_20210118-085042.thumb.jpg.f59a8ba2126e22194c1639c24f3c0421.jpg

 

So every 22.3 real km, the odometer will count 21.0 km.

 

Difference is (with new Mitas E07+ tires) around 6%

 

About distance: I really don't care in a normal trip (everyday trip house-work), and in case of a big trip I always use GPS.

 

About maintenance interval: when my odometer will declare 10,000 km, they will be 10,600 km. Not a big problem.

 

IMHO: these phonic wheels are a plus, a solution for the speed error, which is a bigger problem than the odometer 6% difference.

 

 

Edited by 365moto.eu
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I don't wish to disrespect the original author of the thread or call into question his results.....but...

The measurements for the "before" comparison and the "after" comparison appear to be made made by a different device. For truly scientific results the same measuring devices should be used, otherwise it creates an easy avenue to challenge the voracity of the conclusion.

 

 

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1 hour ago, electric_monk said:

I don't wish to disrespect the original author of the thread or call into question his results.....but...

The measurements for the "before" comparison and the "after" comparison appear to be made made by a different device. For truly scientific results the same measuring devices should be used, otherwise it creates an easy avenue to challenge the voracity of the conclusion.

 

 

I can't comment on what others have tested, if you check the other thread where Andy from this forum has done tests with multiple sizes of ABS rings, same device same bike same road you will see the results. 

Aleks 

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  • 2 weeks later...

How do I get my hands on one of these ABS rings?

 

is it just the front one that needs to be changed to correct the speedo reading?

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49 minutes ago, Unzy said:

How do I get my hands on one of these ABS rings?

 

is it just the front one that needs to be changed to correct the speedo reading?

I sell them here on the forum, you need both to be safe... Pm the details and I will happily answer your questions. 

Aleks 

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17 minutes ago, Alain2 said:

I’m pretty sure it is illegal (in Canada anyway) to sell something that modify the factory odometer reading. 

 

You're probably correct.  But I don't remember the last time a traffic cop checked for that on my bike.  I won't change mine because I just don't care.  If the item is sold as a novelty item only or for display purposes only, it can be mailed to Canada.  What you use it for is the buyers business.  

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