After a leisurely 4-month wait (apparently due to the global semiconductor shortage), our shiny new AiM Solo 2 DL arrived at Two Daves Racing HQ along with a generic RS232/CAN cable.
We have used a variety of AiM equipment in the past (including a MyChron4, MyTach and currently the original AiM Solo), along with the Race Studio 2 software for data analysis. We have yet to migrate across to Race Studio 3, but when we noticed that AiM had already created an ECU protocol for the RS660 Trofeo we decided to place our order - so that we could collect even more data!
We have used a variety of AiM equipment in the past (including a MyChron4, MyTach and currently the original AiM Solo), along with the Race Studio 2 software for data analysis. We have yet to migrate across to Race Studio 3, but when we noticed that AiM had already created an ECU protocol for the RS660 Trofeo we decided to place our order - so that we could collect even more data!
AiM produce a PDF document for each supported motorcycle to make life easier. Within the Aprilia RS660 Trofeo document, it advised that they produced a dedicated cable (part number V02585190) to enable a straightforward connection between the AiM Solo 2 DL and the RS660's ECU. After reaching out to AiM to acquire a cable, it turned out that the cable is discontinued/obsolete - so it looked we would have to make our own instead...
Upon reading the Aprilia RS660 document, a different cable (part number V02589090 - also used on the Aprilia RSV4) was specified for use. Again, we reached out to AiM for clarification of what the differences were, but they were unable to advise. For reference, the PDF documents are provided below.
Upon reading the Aprilia RS660 document, a different cable (part number V02589090 - also used on the Aprilia RSV4) was specified for use. Again, we reached out to AiM for clarification of what the differences were, but they were unable to advise. For reference, the PDF documents are provided below.
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After reading through all of the documents and performing some investigation of our own, it appears that the RSV4 and RS660 road bikes can use an (optional) "Multimedia ECU", which will utilise the CAN diagnostic plug.
On the RS660 Trofeo this option would never be used, so our assumption is that the V02585190 lead had a single male plug to connect directly into the CAN diagnostic plug. The V02589090 lead is Y-shaped, so that both the AiM Solo2 DL and "Multimedia ECU" can be connected at the same time.
The good news was that it looked like our generic AiM Solo 2 DL RS232/CAN cable, when fitted with a Sumitomo TS 025 6188-0779 (90980-12519) 8-pin male plug, would allow us to create a replica of the V02585190 cable and allow connection of the Solo 2 DL to the Aprilia RS660 Trofeo. So we hunted down a single Sumitomo plug (obtained via eBay seller jfbspares) and used the "cable constructive scheme" from the Aprilia RSV4 document to perform a test connection on the female plug, prior to fitting the wires into our new male plug - and the test was successful :-)
On the RS660 Trofeo this option would never be used, so our assumption is that the V02585190 lead had a single male plug to connect directly into the CAN diagnostic plug. The V02589090 lead is Y-shaped, so that both the AiM Solo2 DL and "Multimedia ECU" can be connected at the same time.
The good news was that it looked like our generic AiM Solo 2 DL RS232/CAN cable, when fitted with a Sumitomo TS 025 6188-0779 (90980-12519) 8-pin male plug, would allow us to create a replica of the V02585190 cable and allow connection of the Solo 2 DL to the Aprilia RS660 Trofeo. So we hunted down a single Sumitomo plug (obtained via eBay seller jfbspares) and used the "cable constructive scheme" from the Aprilia RSV4 document to perform a test connection on the female plug, prior to fitting the wires into our new male plug - and the test was successful :-)
 The plug was identified... |  ...wiring tested... |  ...then securely installed |
 The plug was mounted... |  ...and excess wiring was tied up |
With the electrical side sorted, it was time to move onto the physical mounting of the AiM Solo 2 DL. Fortunately, the mounting holes on the Solo 2 bracket are the same as on the original Solo bracket, so following some minor modification/trimming to our existing motorcycle mount we were able to reuse that.
 Solo and Solo 2 brackets were similar... |  ...so our original mount could be reused |
 The minimal of wiring was run to the Solo 2... |  ...before plastic cowlings were refit |
The final job was to configure the Race Studio 3 and Solo 2 DL software to suit our preferences. We set the ECU Stream as "APRILIA - RS660 Trofeo".
This will provide us with a number of ECU data feeds (see screenshot below for all available data), in addition to the GPS data. The data values that will probably prove the most useful will be:
* RPM
* Throttle
* Gear
* Front Wheel Speed
* Rear Wheel Speed
* TC Slip
* Lean Angle
* GPS Speed
We then configured the screen options that we can view when riding the machine. Two options have initially been setup, with a "qualifying" screen displaying just the best session lap time along with the +/- split for the current lap. A "race" screen has also been configured to show the best lap, +/- difference, lap counter and another TBD value (currently set as Throttle% to help initial setup, but may later be changed to Gear).
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The AiM Solo 2 has coloured LED bars along the side. We have configured these to work as green/red indicators for lap times - so the more green that shows, the better the current lap is.
Finally, we configured the start-up logo to show the Two Daves Racing logo :-)
Our first real data capture session will be at the next race meeting - at NG Castle Combe on 19th-21st August - where we will try and capture some use cases for data analysis in order to help you go faster.
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