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Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: JC Skeeter] #12711741 04/11/18 01:20 PM
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JC Skeeter Offline OP
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I'd like to revisit this post and see if anyone has any new information or updates. I am close to pulling the trigger with Hydro Tech on a flash and possibly raising the rev limiter to 6400 as the research I have done and people I have spoken with feel this is the optimum flash/tune that will provide plenty of performance whether or not you adjust prop/pitch.

I have a skeeter fx21 with Yamaha sho and a 25p T2. I was told that keeping my same prop and pitch, along with the flash and raising the rev to 6400 should alone get me close to the range of 3-5mph gains depending on certain things. I asked if the 25p would make it over rev 6400 and was told no by more than one person. I am only looking to gain 3-5mph anyway, so if I can do that and keep my current prop without having to spend money on another I prefer that.

Does anyone else have a skeeter with a Yamaha and had theirs flashed?

Note: yes I am aware of the warranty aspect of this decision, that is part of why I am still somewhat debating. However I may look into purchasing a new ECU and using it only for the flash. A little more money upfront but if something were to ever happen, even unrelated to the flash, then I could switch it back to the original and not have a warranty issue.

Moritz Chevrolet - 9101 Camp Bowie W Blvd, Fort Worth, TX - Monte Coon (817) 696-2003
Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: JC Skeeter] #12711758 04/11/18 01:33 PM
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ssmith Offline
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so it looks like you want to raise your boats horsepower an then if it has a problem you would like to have the manufacturer to pick the tab up.

Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: ssmith] #12712088 04/11/18 05:24 PM
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JC Skeeter Offline OP
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Originally Posted By: ssmith
so it looks like you want to raise your boats horsepower an then if it has a problem you would like to have the manufacturer to pick the tab up.


Yep, glad you noticed that. Thanks for the the info.

Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: Sinkey] #12712145 04/11/18 06:10 PM
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Originally Posted By: Sinkey
Again, what's so big about breaking 80?

Never won a tournament going 80. Just saying.

Besides, I'm pretty sure that will null your warranty on the motor.


Has nothing to do with catching fish at 80. Actually it has noting to do with fishing at all. It's purely for the adrenaline and fun, kind of like owning a hotrod for the street.

Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: tmd11111] #12712288 04/11/18 07:48 PM
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JC Skeeter Offline OP
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Originally Posted By: tmd11111
Originally Posted By: Sinkey
Again, what's so big about breaking 80?

Never won a tournament going 80. Just saying.

Besides, I'm pretty sure that will null your warranty on the motor.


Has nothing to do with catching fish at 80. Actually it has noting to do with fishing at all. It's purely for the adrenaline and fun, kind of like owning a hotrod for the street.


Exactly, and in fact I am not even trying to go 80 or push the motor to the max. But if there is the capability to get just a little more performance out of it and not hurt anything, why not? It is done on vehicles every day.

Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: tmd11111] #12712297 04/11/18 07:56 PM
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Sinkey Online Content
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Originally Posted By: tmd11111
Originally Posted By: Sinkey
Again, what's so big about breaking 80?

Never won a tournament going 80. Just saying.

Besides, I'm pretty sure that will null your warranty on the motor.


Has nothing to do with catching fish at 80. Actually it has noting to do with fishing at all. It's purely for the adrenaline and fun, kind of like owning a hotrod for the street.


Then buy a Bullet!

Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: Sinkey] #12712307 04/11/18 08:02 PM
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GIG'EM AGGIES Offline
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Originally Posted By: Sinkey
Originally Posted By: tmd11111
Originally Posted By: Sinkey
Again, what's so big about breaking 80?

Never won a tournament going 80. Just saying.

Besides, I'm pretty sure that will null your warranty on the motor.


Has nothing to do with catching fish at 80. Actually it has noting to do with fishing at all. It's purely for the adrenaline and fun, kind of like owning a hotrod for the street.


Then buy a Bullet!


Or

Fastest boat alive.


I am a Senager. (Senior teenager) I have everything that I wanted as a teenager, only 50 years later. I get an allowance every month. I have PU truck and a bass boat, I am blessed.
Conscience never acquits, it either accuses or excuses.
Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: JC Skeeter] #12712313 04/11/18 08:06 PM
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basshc Offline
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Off topic but Id be scared cant get my 2018 250 SHO to stop makin oil.And all I hear is run it hard?Nothin like runnin the [censored] out of motor with diluted oil.

Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: Sinkey] #12712320 04/11/18 08:10 PM
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shotgunwilly Offline
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Originally Posted By: Sinkey
Again, what's so big about breaking 80?

Never won a tournament going 80. Just saying.

Besides, I'm pretty sure that will null your warranty on the motor.


They're not worried about winning a tournament...

Because you can't even enter any decent sized tournament after doing this without breaking the rules.

Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: JC Skeeter] #12712386 04/11/18 08:50 PM
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Ken A. Offline
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Originally Posted By: that1time
Originally Posted By: tmd11111
Originally Posted By: Sinkey
Again, what's so big about breaking 80?

Never won a tournament going 80. Just saying.

Besides, I'm pretty sure that will null your warranty on the motor.


Has nothing to do with catching fish at 80. Actually it has noting to do with fishing at all. It's purely for the adrenaline and fun, kind of like owning a hotrod for the street.


Exactly, and in fact I am not even trying to go 80 or push the motor to the max. But if there is the capability to get just a little more performance out of it and not hurt anything, why not? It is done on vehicles every day.


Sent ya a PM.



Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: shotgunwilly] #12712401 04/11/18 09:07 PM
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Originally Posted By: shotgunwilly
Originally Posted By: Sinkey
Again, what's so big about breaking 80?

Never won a tournament going 80. Just saying.

Besides, I'm pretty sure that will null your warranty on the motor.


They're not worried about winning a tournament...

Because you can't even enter any decent sized tournament after doing this without breaking the rules.


A guy that wants to buy an additional computer for warranty issues isn't worried about rules....
With that said, I can also understand wanting to tweak your motor to get better performance. As he said, it's done to cars all the time.

Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: Txduckhunter] #12712414 04/11/18 09:14 PM
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Originally Posted By: Txduckhunter
Originally Posted By: shotgunwilly
Originally Posted By: Sinkey
Again, what's so big about breaking 80?

Never won a tournament going 80. Just saying.

Besides, I'm pretty sure that will null your warranty on the motor.


They're not worried about winning a tournament...

Because you can't even enter any decent sized tournament after doing this without breaking the rules.


A guy that wants to buy an additional computer for warranty issues isn't worried about rules....
With that said, I can also understand wanting to tweak your motor to get better performance. As he said, it's done to cars all the time.

I guess he gave up tournament fishing. I'm not any good at cheating polygraphs so I'll have to keep my motor stock.


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Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: Chris B] #12712424 04/11/18 09:22 PM
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Originally Posted By: Chris B
Originally Posted By: Txduckhunter
Originally Posted By: shotgunwilly
Originally Posted By: Sinkey
Again, what's so big about breaking 80?

Never won a tournament going 80. Just saying.

Besides, I'm pretty sure that will null your warranty on the motor.


They're not worried about winning a tournament...

Because you can't even enter any decent sized tournament after doing this without breaking the rules.


A guy that wants to buy an additional computer for warranty issues isn't worried about rules....
With that said, I can also understand wanting to tweak your motor to get better performance. As he said, it's done to cars all the time.

I guess he gave up tournament fishing. I'm not any good at cheating polygraphs so I'll have to keep my motor stock.


I can see where it would still be within Tournament rules. If the added (Dyno) HP is still within the Coast Guard Limit. For example, a boat with a 300 limit and a 250 ECU upgrade to 300 is within the rule.


David Burton
2015 Skeeter FX 21 +Ultrex +Helix 12 (x3) +Mega360 +MegaLive
Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: JC Skeeter] #12712430 04/11/18 09:25 PM
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Whats your FX21 rated for?


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Re: Performance chip - ECU flash for Yamaha V MAX SHO VF25O [Re: 9094] #12712435 04/11/18 09:30 PM
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Kay Dyson Offline
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Originally Posted By: 9094
The difference is that in cars there is not a rule that limits the horsepower. If you fish tournaments and they have a rule stating that you cannot exceed the USCG rating on your boat and you have your ECU modified to make it a 300 HP engine then you are breaking the rules. I do know several people that have had their boards modified and it does make them a 300HP engine.

I just swap cowlings, no one knows the better....
ECU,Rev-limit, flash smash... Takes about 2 mins...... eeks ....... nuts loco

If there is one thing I've learned, the want too, or in this case, the factory setting are better left lone... WHY you ask?? Booooooooooooom that's why...

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