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  1. Grom Talk
    Hello, I'm new to the forums so I'm not sure where to post this then again I see you all get that alot. So I have a 2020 grom, Leo vince gull system, modded airbox, are the only air/fuel upgrades with the PCV. All of the preset maps on dynjets site still seem to make my bike run lean after...
  2. Grom Performance
    Hello dear Grommers ❤️ I have a 2017 Honda Grom (picture of it shared down below👇🏼). it has the aRacer mini 5 ECU, with the wide band 2 auto tune (However there is a problem with the sensor with the wires connected to it so it doesn’t work most of the time, showing wrong informations, and most...
  3. Grom Performance
    I’ve put in a 59mm cylinder, 27-23 valves, ported head, 30mm TB, 150cc injector, race cam (lift idk), open air filter, full exhaust, API (the to-go-ECU in Thailand), but the guy who tuned it didn’t seem to know what he’s doing. Getting decent acceleration with 14-32 sprockets, but only a lame...
  4. Grom Performance
    New to the forum and to Groms. I’ve been on a obsessive deep dive the last week and have totally geeked out since then.. This one is a bit counter intuitive, but bear with me. I’m working on an EFI for a batch of grom 212cc clones. The EFI setup for testing and baseline is speedunio for now...
  5. Grom Performance
    Hi Everyone I may have found a possible way to add autotune to the PV3 on the monkey and the grom, but I'm not sure if anyone here has tried this already. For reference, I have an Aus Monkey 125. One of the variables in the learning section of the PV3 tune is the "O2 Transition Voltage (Target...
  6. Monkey Talk
    Hi Everyone I may have found a possible way to add autotune to the PV3 on the monkey and the grom, but I'm not sure if anyone here has tried this already. For reference, I have an Aus Monkey 125. One of the variables in the learning section of the PV3 tune is the "O2 Transition Voltage (Target...
  7. Grom Builds
    So i have a 2018 grom and all im doing is a air intake and exhaust nothing else. I hear alot of people saying it will run lean(makes sense). Some say its fine ,some say its not and requires tuning etc.... what does everyone recommend?? Ive search and search but cant seem to fine a direct...
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