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Discussion Starter · #1 ·
Hy guys,

I have a question regarding the YZF R125 2021 EU5 model.
It is equipped with a lambda sensor. So my questions is, is it able to adapt my planned mods, BMC replacement air filter, Shark SRC-4 complete exhaust and NGK CPR8EAIX-9 spark plug? Or will I run in problems? Any experience here?

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Thanks a lot,

Nils
 
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2008 YZF-R125 (180cc)
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I would have thought you'll be fine with your filter and exhaust. The O2 sensor generally only seems to become a problem if you're trying to adjust the fuel mapping (which it then adjusts back).
 

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Discussion Starter · #3 · (Edited)
After driving around for now appr. one week I can say everything works fine. I think I have a slightly better response and it revs a little quicker up when the VVA system is active. But it can be also only a subjective feeling as the sound has improved a lot. I´m happy with it, even I run it with the DB-eater.


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