![]() Only weird thing I noticed was that when the computer connected with the ECU, the fuel pump kept priming (as it does when you first turn on the bike). Trickiest part of getting the HRC software to work is pressing enter within 2 seconds of turning the ignition switch back on. The ecu flash will get you back all the power that was left out for the US market (+20whp). Stumbled across this site last night and that's where I found that I didn't need to ground the brown wire. An ecu flash is not going to cause any problems and these motors are dead nuts reliable anyway so you aren't going to need that engine swap like you did on your last bike (what was it, Ducati, Aprillia) Don't bother with all those other mods you mentioned. I was trying to get the cable to work without success by using the CRF method which included grounding the SCS line. I then downloaded the HRC software from Factory Pro. I bought the cable for $7, it came with the drivers. It's just a 3 wire hookup with pin16 (12V +) from the OBD2 cable going to the black wire on the DLC, pin 7 (K-line) on the OBD2 to the orange wire and pin 4 (chassis ground) to the green wire.Ĭable needs to be a FT232 chip set (VAG-COM). It turns out that basically the HRC cable is just a means of communicating through the K-Line which is accessed through the DLC connector. This tune job won't be super simple so it still might be a while even though it already has been a while.Well, using my google skills, I found that some guys were using a VAG-COM OBD2 - USB cable to tune the HRC ECU on CRFs. I'm sure the RR-R guys are helping us in our fight as well. Moral of the story, keep on hoping and wishing that something comes along sooner than later. Now, this is still a rumor and there's no real evidence of this coming other than the guys who open up these bikes for a living, seeing very similar things happening with Honda bikes that are existing with locked up bikes like the BMWs. So like going to BMW and saying I want some M performance parts on my bike, Honda might be trying to do that too in the near future. The guy at the shop believes that Honda is looking to force in house tuning soon, similar to BMW and kind of like Ducati how the Akra exhaust for a Ducati comes with the tune in the price tag at the dealership etc etc. I'm confident with the CBR1000RR-R guys wanting a tune along with us wanting a tune, Woolich really wants to tune these damn bikes but Honda is making it super difficult. This problem persists with the CBR1000RR-R as well, which Woolich told me today they're still working on. One ECU is always undoing the work done to flash the other ECU. ![]() ![]() so the two brains communicate constantly and it's kind of an infinite loop of tuning because one gets tuned, then the other starts to react and change how the bike runs, so then you need to change the other brain and now the first brain is no longer in sync because the newly tuned one is doing something totally different. So you can flash the fueling ECU just fine, but then the throttle body ECU will say hey, this AFR isn't meeting emissions, let's open or close the throttle body to fix that since it no longer is controlling fuel the way it thought it was. My local shop has actually tried to tune bikes with this setup and they've never gotten it to work because we've really only had the common capacity to flash one ECU at a time. FlashTune ECU Tuning Software and installation guides are available at Flash Tune allows control over the following: Remove ECU restrictions Engine braking adjustments High load fuel maps (with PC3 and PC5 map importing) Low load (cruising) fuel maps Fuel injector proportioning Ignition timing Immobilizer function Cooling. So with this new system, it was explained to me that more or less, one is controlling fuel/injectors and the other is controlling throttle bodies. The main trick for our bikes is Honda has now gone to a "two brain system." Basically we have two ECU's, one is the 38770-MKJ-A61 people are aware of and think is the only culprit, well there's another under the fuel tank kind of forward right if you look at the parts diagram. So this is all explained to me from people at the shop who've been trying to tune these bikes for real, all this time. Reflash Honda motorcycle CBR600RR, CBR1000RR and lot of other Honda models. Turns out our ECU flash woes aren't just a matter of a lack of interest compared to other bikes, it's a bit more complicated than that. I had a bit of time so I took a stroll down to the old tuning shop in town. The purpose of the O2 sensor (lambda) modulation is to prevent the stock ECU from recognizing the adjustment applied by the RapidBike module to the injection. ![]()
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