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  1. YFZ450 & YFZ450R General Talk
    So I have a 2018 yfz450r se I just ordered an Ais delete as I was told to but have no idea what to do can I just remove the Ais and I don’t have to mess with any oil lines or oil returns right cause I think I can do the Ais but anything besides removing the Ais can’t do I’ll I have to do is...
  2. YFZ450 & YFZ450R General Talk
    Will I need to do the Ais delete on my 450r after installing a vortex? Or is it not necessary with the vortex since it overrides it I believe?
  3. YFZ450 & YFZ450R General Talk
    I have a 2020 yfz450r and just installed the AIS delete and now my quad is showing check engine light, throwing code 37, and idling at a very high rpm in neutral. I do not have a tuner nor an exhaust. Motor has never been opened. Any ideas on how to fix this?
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