New Gauges Spedo incorrect MPH Issue

Ducatiloo · June 28, 2011, 05:20:48 AM

I have a 2005 S2R. I put new Virgin gauges on my Ducati. The tachometer works without issues. The spedo is way off. I am not hitting 20 mph until right as I shift into 2nd gear!
The Guages have the black face such as the 6** series of bikes. Any help would be much appreciated!

Ducatiloo · June 28, 2011, 10:36:36 AM

Is it possible that my bike uses less magnets for the speed sensor than the new gauge?

Bones · June 28, 2011, 10:54:44 AM

right off the bat it seems the 620 gauges are calibrated differently. you MIGHT need to get a different rear wheel sensor, not sure. or you might just need to get the gauges calibrated.

you can check on the ducati omaha site to see if the rear wheel sensors for the 2 bikes are different. I assume the S4r also has a 17" rear tire with a 6 bolt 10 inch rear rotor?

Bones · June 28, 2011, 10:57:35 AM

there are speedo calibration kits on ebay, but they're like $80 bucks

DarkStaR · June 28, 2011, 11:19:08 AM

Yeah, it's a pick-up number problem. 5 4 vs 6 pick-ups iirc.

Ducatiloo · June 28, 2011, 11:56:55 AM

My Gauges use the rear sensor that uses magnets instead of the mechanical wheel. I'm thinking it's a 695.
Is there an documentation that I can't find about how the rear sensor is setup. I remember reading about it on the old forum but it's not there anymore or their search feature sucks...

The spedo healers seem to only adjust up to 10%. I'm off by over 50%

Ducatiloo · July 02, 2011, 09:21:54 AM

Any other ideas?

Is it possible for a magnet to be bad on the sprocket? Or and the spedo sensor be bad but sill show a low mph instead of none.

DarkStaR · July 02, 2011, 10:32:18 AM

If you put a gauge from a different bike that uses a different amount of pick-ups, and now your speedo is off, why fight the fact?

Speeddog · July 02, 2011, 12:41:11 PM

The S2R800 uses 4 steel posts on the rear brake disc as triggers.

The Monsters with double-sided swingarms (DSS) use the 6 mounting bolts for the rear disc as triggers.

You seem to have an instrument cluster from a DSS bike, as that would explain your 50% error.

Ducatiloo · July 02, 2011, 07:55:37 PM

Is it possible for me to drill out two holes and put two extra bolts on my rotor as a cheep work around?
Or can I put a rotor from a DSS Ducati Monster?

Ducatiloo · July 02, 2011, 08:59:37 PM

I also found a spedo healer that goes up to 99.9% change. Has anyone had fhe with this?

DarkStaR · July 02, 2011, 09:08:29 PM

Quote from: Ducatiloo on July 02, 2011, 07:55:37 PM
Is it possible for me to drill out two holes and put two extra bolts on my rotor as a cheep work around?
Or can I put a rotor from a DSS Ducati Monster?

I wouldn't bother with either of those ideas. You may just f' up a rotor, and it not work. Good luck fitting a 6 bolt rotor on a 4 bolt bike.

Quote from: Ducatiloo on July 02, 2011, 08:59:37 PM
I also found a spedo healer that goes up to 99.9% change. Has anyone had fhe with this?

No FHE, but this would be the route I'd go first...

Raux · July 03, 2011, 01:41:31 AM

I had a theory of using Titanium bolts and then mounting the appropriate number of magnets.

Speeddog · July 04, 2011, 04:43:02 PM

Quote from: Ducatiloo on July 02, 2011, 07:55:37 PM
Is it possible for me to drill out two holes and put two extra bolts on my rotor as a cheep work around?
Or can I put a rotor from a DSS Ducati Monster?

I'ts possible to put two extra lumps on your rotor, but not very easy due to their location.

Rotor from DSS bike will not work.

I'd go with a Speedo Healer.

Quote from: Raux on July 03, 2011, 01:41:31 AM
I had a theory of using Titanium bolts and then mounting the appropriate number of magnets.

They're not magnets.

Raux · July 04, 2011, 10:27:02 PM

Quote from: Speeddog on July 04, 2011, 04:43:02 PM
They're not magnets.

TI and Steel bolts have different magnetic properties right? isn't the speedo just a magnetic sensor?

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New Gauges Spedo incorrect MPH Issue

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