Ecu flash yamaha f250 for free#

Simon (the owner of Nizpro, not Simon Motorsports) has posted here you probably read his response in the Nizpro thread started a year or so ago. super charger kit on the 4.2 liters, only a bearing issues on the charger housing which has been addressed. They have had ZERO Yamaha items fail with their 450 h.p. With that being said and like MuddyBottomBluz mentioned, with Nizpro, there are no known failures due to flashing the ECU. I can't add anything that hasn't already been said or mentioned here, contrary to Lap It Up's confidence in me. I know of a dive boat that has a pair of 250s. Now if you flash your 200, 225, 250 or whatever and do not prop it correctly and run the hake out of it with the prop out of the water it might not last as long as you would like. No failures and as Lap it up disclosed, the factory power heads are identical up to 300 hp. Nizpro is taking these stock power heads to over 400hp with their super charger kit. Like a whole different boat. There are no longevity problems. A 250 hp flash is just a stock 250 hp ECU. most have 250 hp anyway, Simon Motorsports and Nizpro are flashing to 325 hp. Do not think I have ever seen an HPS with a 200 hp. If there is a problem thats where you might see it. (YDS) Will show Over rev, Over Heat etc.a lot of info there. if you take it back to 200, you would be on a prop hunt because likely it would not turn the current prop up to RPM.įirst thing I would do is connect a computer to it. I do not think you would want a HPS with a factory 200 SHO, Especially if you test run the boat with the flashed motor first.

Ecu flash yamaha f250 for free#

I know of one company that will flash back to factory settings for free if they did the flash to higher horse power. The other thing to consider is the ECM can be reloaded with the factory settings.

Im told the first question asked of him was, has the motor been flashed. It was a non flashed motor and under warranty. We have a forum member who has not posted in a while (thanks to some arrogant drifters who talk a lot of crap about peoples boats) who blew up a 250 SHO. I would not be a fan of running the motor at 6500 rpm all the time either. I am of the opinion that if the higher horse power motors are physically the same engine you will not reduce the life of the motor by flashing the ECM. who flashed it and if he knows where the limiter is set.Īll of the companies report no failures linked to flashing a motor. I would ask the seller if he had the unit flashed. Again most felt the motor comes alive at 6000 rpm so they all like to raise the limiter.

The one thing that seemed to be optional was leaving the rev limiter to factory setting. That is to say none of them could really say they had a tune for exactly 250 horses. All of the people that flash the ECM's for these motors seem to prefer to do a max tune. There is not much to add to that portion of the conversation. I am sure you have read that the large block SHO engines are the same exact engines. I have some experience with a flashed 200 SHO.