Originally Posted by
kry29
Technically, it will void the warranty. I would assume Yamaha knows about this and is working on some way to recognize the flash. I would also assume that if you buy a new ECU that it would look real weird that your motor had the same hours every time you took it in. Say you went for your 100hr service then a year later it blows and you bring it in with 100 hrs still on it I think it would raise a flag. Then they send someone from Yamaha, they see the bolts that show signs of being worked and 2+2