This page is to allow you to register interest for the Tuneboss ECU for the Yamaha YZF-R125.
Please enter your email address and the year/generation of your bike and we’ll let you know once the ECUs for your gen are becoming available. You can select multiple gens if needed.
You will be sent a confirmation email – click the link in the email to confirm your place on the list. Until you click the link in the email you’re not on the list.
Once available, the units for sale will first be offered to the people on these lists, in the order they signed up. They will have “first refusal”. So maybe jump on in there before we’re full for the first batch.
I’ve been building the map for the 2019 recently with this device and honestly it’s amazing. I expect these to sell out before the first batch even lands. There’s a few niggles we’re still figuring out but what it can do is mindblowing and the 2019 is now a joy to ride. I have a “full tursimo” setup on my ’08 (PCV, wideband with autotune, hacked OEM ECU for 11.5k limit and timing adjustments) and I’m pretty sure the tuneboss can do all of that out of the box, over bluetooth, from my phone (rather than laptop), for less than the PCV and about comparable to a PCFC, but it can do a LOT more than both. It’s ridiculously good.
If you have a yzf-r125 of any gen, add yourself to this list.
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“my friend has one of these”
I assure you, whatever your friend has, it’s not one of these.
There was a previous version, and nowadays they’re generally found within the racing community, very occasionally for sale on ebay etc. However that was a limited run. What we have here is the next generation of that with a better processor and more toys, and regardless what they claim….nobody within the UK and EU has one of “these” yet. The only way to get them is to be on this list.
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Current status for the first batch of ten units to hit UK soil:
Gen1: 7 spaces remaining
Gen2: 5 spaces remaining
Gen3: 6 spaces remaining
Last updated (03/07/2025)
