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Replies: 37
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All-Time Great [96984]
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What do y'all know about ECU flashing? #boatstuff
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Dec 19, 2024, 3:38 PM
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Boat guys....apparently motorcycles also.
I'm just now learning about this for the first time.
It seems they sell kits to flash an ECU on a Yamaha outboard. This can take a 150 hp engine up to 231 hp and somehow make them more fuel efficient in the process???
So I'm over here pondering......if the 150 and the 175 kit is the same / it takes both engines up to 231 hp then what is the advantage of paying more for a 175 if you are going to flash the ecu?
I really should not be thinking about this though cuz it makes me want to spend monies.
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All-Time Great [96984]
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Don't you have a Yamaha
Dec 19, 2024, 3:43 PM
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Ineligible user®?
Maybe Lakebum1® does too? Caught 1 bass off the dock the other night btw. Maybe 2 off your neighbor's also.
And I think FishinCrazy has a Yamaha
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Heisman Winner [81357]
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I have a Yamaha but why would I put a kit on it?
Dec 20, 2024, 5:13 PM
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Seems decently sufficient already for my boating needs
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Heisman Winner [81074]
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who knew East Carolina girls
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Dec 19, 2024, 3:45 PM
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showed ##### to strangers
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Orange Beast [6587]
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Lord I hope not
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Dec 19, 2024, 3:49 PM
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Have 2 Nieces there
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All-Time Great [96984]
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I think you forgot to upload the pics***
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Dec 19, 2024, 3:50 PM
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Tiger Titan [51581]
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Clemson Sports Icon [59671]
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Re: What do y'all know about ECU flashing? #boatstuff
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Dec 19, 2024, 3:49 PM
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Could be the same engine from the factory and throttled to 175, with that engine maxing at the 230 range you speak of.
Would make repairs and inventory much more simple, and no unlike common techniques with large factory assembly scenario.
Just slap different stickers and go
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All-Time Great [96984]
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Yeah, 150 and 175 are both 2.8L***
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Dec 19, 2024, 3:54 PM
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TigerNet Immortal [168422]
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Looks like the 200 is a 2.8 also, but
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Dec 19, 2024, 6:14 PM
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It has variable valve timing and the 175 doesn’t.
Thank you for sending me down this research rabbit hole for something I likely won’t buy in the next decade.
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All-Time Great [96984]
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They get 300+ out of the 200, that is the V6 4.2L***
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Dec 19, 2024, 6:35 PM
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TigerNet Immortal [168422]
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Ok, I see the confusion.
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Dec 19, 2024, 6:44 PM
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The F150-200 are all 2.8 I-4’s. That’s the variable valve timing I was talking about being the differentiator on the 200.
The VF150 and 175 are 2.8 I4’s also. The VF200 is a 4.2 V6.
This F vs VF thing is screwing everything up.
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Heisman Winner [86887]
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the 2.8L is a I-4; the 4.2L is a V6.
Dec 20, 2024, 3:42 PM
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I haven't seen a V6 4.2l 200 since they started making the V6 4.2L. I had a Yamaha 200 V6 3.3l years ago, but it was a completely different engine than the V6 250.
My guess is the $ difference between a V6 200 and a v6 250 or V6300 isn't enough to make someone buy a v6 200. The v6 is heavier than the I4, and would prob only ever be part of twins; if anyone gets twin 200's, they would get the much cheaper and lighter I-4 F200.
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Tiger Titan [48540]
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could void warranty but
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Dec 19, 2024, 3:57 PM
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only if the manufacturer can show the ECU Flashing caused the issues
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All-Time Great [96984]
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correct, at least based on what I've read***
Dec 19, 2024, 3:58 PM
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Clemson Conqueror [11675]
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Re: What do y'all know about ECU flashing? #boatstuff
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Dec 19, 2024, 4:01 PM
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Huh? Not a clue. Guess one wouldn't be concerned about the warranty at that point. My 150 pushes my 21.5 ft bay boat close to 45 mph. under the right conditions. Plenty for my purposes.
Interesting though. Got any links?
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All-Time Great [96984]
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Tiger Titan [51581]
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I think peeps do that on trucks too.
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Dec 19, 2024, 4:12 PM
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that's the total extent of my knowledge on this topic.
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TigerNet Immortal [168422]
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Im guessing the higher one requires 93 octane.***
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Dec 19, 2024, 4:18 PM
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All-Time Great [96984]
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*Performance Caveat: Engine must run on Minimum 8990 MON USA grade***
Dec 19, 2024, 4:30 PM
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TigerNet Immortal [168422]
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I just realized I misread what you were asking. Are you talking about the
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Dec 19, 2024, 4:32 PM
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F or the VF series?
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All-Time Great [96984]
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I wasn't paying attention. Looks like the "cheaper 150" was an F series
Dec 19, 2024, 4:38 PM
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The VF 150 and the VF175 may be about the same price.
However, I do see a VF150LA online for $16K and a VF175LB for $19.5K
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TigerNet Immortal [168422]
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yeah and I think they make a 150 that is full mechanical on the controls and
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Dec 19, 2024, 5:12 PM
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the 175's are automatically digital, so the price difference is pretty big because of that if you're comparing those two models.
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Heisman Winner [86887]
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Thats not 100% correct.
Dec 20, 2024, 3:46 PM
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The VF175 is a Vmax SHO model and is only available with mechanical controls. The F175 is a non-USA spec model.
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TigerNet Immortal [168422]
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Heisman Winner [86887]
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TigerNet Immortal [168422]
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Feels like the rare engineering driven company
Dec 20, 2024, 4:12 PM
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In need of some real marketing help.
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Heisman Winner [86887]
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They have a pretty captive market.
Dec 20, 2024, 4:15 PM
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They are probably last in repowers because they are expensive, unless they are packaged with a boat.
I don't think they worry about the 1-offs too much. Re: my comments about never seeing a F200 4.2l V6.
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Heisman Winner [86887]
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Those are VMAX SHO models.
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Dec 20, 2024, 3:43 PM
[ in reply to I wasn't paying attention. Looks like the "cheaper 150" was an F series ] |
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I have heard they have different camshafts than the non VF models to get additional torque, but I've never taken one apart to see.
At one point the VMAX SHO models were said to be geared towards freshwater boaters, but I've seen a lot of them on saltwater boats in the last few years.
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Heisman Winner [86887]
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Just seeing this
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Dec 20, 2024, 3:37 PM
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McLovin
Yes, I do have a Yamaha--I4 F200.
Personally I don't trust the ECM flashing. I have no real reason not to, but I don't know anyone who is currently doing it to ask. I don't think there is enough meat on that bone to get the kind of HP promises you are mentioning. If there were, Yamaha would do it and charge another several K for the same engine.
I don't want to cook a piston or valve cause I was trying to get 15 HP from an engine. I'd just sell my engine and put a bigger (HP and displacement). And if I was going to do that...I'd prob get a bigger boat, too.
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TigerNet Immortal [168422]
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I was wondering if you were feeling ok.
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Dec 20, 2024, 4:00 PM
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This thread was custom made for you.
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Heisman Winner [86887]
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I'm on PTO this week
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Dec 20, 2024, 4:02 PM
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Since I didn't go anywhere this week, if I wasn't drunk, I've been sleeping.
But yeah--I could talk boat engines all day.
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TigerNet Immortal [168422]
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Oh I love talking about boat engines too.
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Dec 20, 2024, 4:41 PM
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I thought we were talking about outboards though.
HAAAAA see what I did there.
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All-Time Great [96984]
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TigerNet Immortal [168422]
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These arent forced induction engines, right?
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Dec 20, 2024, 5:04 PM
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Unless these are supercharged or something, that’s an insane horsepower increase from what is basically a higher fuel flow rate and a timing advance.
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All-Time Great [96984]
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It's claiming better fuel efficiency also
Dec 20, 2024, 5:09 PM
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If it sounds too good to be true....but there are lots of people out there doing it and saying it do be like that.
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Heisman Winner [86887]
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I entertained doing it.
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Dec 20, 2024, 5:45 PM
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I only had a 3 year warranty and that passed 3 years ago, so it doesn't matter from that. And I only run ethanol free 89 octane gas.
But if/when I go to sell it...I'd think that would hinder the process. I mean I doubt I'd buy a used boat that had been ECU swapped/flashed.
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Clemson Sports Icon [56930]
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Is ECU flashing same as Coastal Carolina streaking?***
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Dec 20, 2024, 3:48 PM
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Replies: 37
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