Honda Silver Wing 125 ECU Experimentations

TADA !! After long hours of debug i finally reached to write swing keihin ECU. I let you doing the tour of the software. Checksum is verified before writing and you will have a save proposal. Honda Swing Flasher To flash ecu you will have 2 ways : Connection on diagnostic plug, but be carefull you will need a strong battery charger during the actions, Lots of equipment are runing when butterfly box is not joinable. ...

Bench preparations Reading/Writing ECU on the scooter directly is not nice, the scooter is keeping some equipments ON and is draining the battery. And i will have to manage the writing part of my software on the KO Parts i will grab. So i decided to create a cable to connect directly to the ECU. For that i used some recycled parts : ...

ECU MAP Studies Before receiving another CDI 16400-KRJ-792 i decided to run a bit the swing on the road. And i saw that it was ok upto about 7000/7500 rpm about speed, but after that it was long to achieve 100km/h. I was suspecting a limitation to A1 (11kw) reglementation, ok that can be from variator or clutch but as i felt it wasn’t. I am clearly limited. ...

Phone fixture model As this scooter is my new lovely travel device, i wanted to fix my phone on it.mostly for GPS. After some search i saw that it was difficult to find something correct for my budget. Then i decided to design one…. i focused on creating a 17mm ball then you will be able to add what you want on it. ...

Whats inside the files? The goal now is identifying the maps and data from Renesas chip and 93C66. Winols is a kind of Rolls to manage and edit files. I used it in the past and had to re open it. I won’t speak about it here and won’t provide any link. Just to say that you can download a DEMO version for free and see what’s inside the ECU. I am not a pro of tuning, and not familiar with petrol engines. Most familiar with TDI lol. ...

Diagnose Plug of the Silver Wing 125 The diagnostic Connector is near the battery under the seat, you have to unmount 1 cover to access it. The connector is coverred by a red cap to remove. it is a 4 Wires version. I will post picts asap about it. Howto connect? You need 2 things : OBD 4 pin adapter Get it on Amazon. ...

What’s inside