2007 Yamaha F50 Horsepower Increase - Remove Restrictor Plate - Convert to a 60HP
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- Опубліковано 18 кві 2013
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Here is a video on how to increase the horsepower on a Yamaha outboard engine. Basically the 2005 thru 2008. Yamaha 4 stroke EFI. The F50 and the F60 schematics are identical other than one has a restrictor plate and the other does not. This will increase the horsepower by 10 and give you more power. Very easy to do and it only took a few minutes. Save yourself a lot of money. Increase whole shot and overall performance.
This is a highly regarded secret Yamaha does not want you to find out because of the financial lost on their end.
How to convert a Yamaha F50 to a F60.
This engine is a work horse now! Please call me if you have questions on doing this.
First off let me say thank you for watching my videos.
If you feel that this video or any of my videos has helped you then please feel free to donate what you see fit and please do not feel obligated to do this. It is greatly appreciated and goes to further more help producing more of these. I am not a "for hire" marine mechanic and I do not make a living at working on boats, tackle or marine engines. I am a charter fishing guide and small business owner who chooses to work on things myself in my line of work and in return try to share some of the things I have learned, with you the viewer. I do these tutorials to help you, the viewer, save some money and time (it has saved me a ton of both) by doing the work yourself. However making these video tutorials takes a massive amount of time (instead of just doing the work without recording it and then uploading them), post editing, research and time away from my job as a fishing guide, which I do full time. I want to say thank you very much and again thanks for watching.
I also want to stress very clearly that I have nothing against them, at some point in time I too need their expertise and services. I appreciate the depth and knowledge they have. However just like the "big" home improvement stores and "do it your self'" places that are not going after the handymen and builders, we all like to expand our knowledge and have a sense of accomplishment. So please do not take any offense to these videos. - Навчання та стиль
I did this to my 2006 F50 on a 17 ft Grumman Outlaw. It really improved the hole shot. I don't have the hours you had on your F50 since you are a guide. BTW, love the new boat you recently bought that is shown on your website.... Also, used your videos for the maintenance such as oil, filters and plugs. Awesome information!
thanks mate. I got a 2016 f50 did like u showed. Works well hole shot better now.. happy with it. it's like putting a K&n filter in ur car. just breathes better improves mid range touque. thank you
Just removed the restrictor plate on my 2012 model yamaha T50 high thrust 4 stroke today... gonna be launching the boat on Saturday (5/2/20015). My hopes are high! I'll report back while on the lake with my results. It's a pontoon boat... Great video Captain, thank you!
How did it go I have a 2004 ht 50hp I might give it a go
Hello @kensykes2367 how was the T50 with the improved? Any damage in all this years??
I bought my son a Yamaha Pw 50 back in 2004.
It came with a restrictor plate like this to take out when he got more comfortable.
Great video. I will do this to my 2015 F50
Thx
Right on
Same thing with the newer Mercury 60hp to 115hp ( for the most part) .. All that is needed to go from 60hp to 75hp or 90hp is the restrictor plate and tune ( it adjusts the rev limiter and some fueling). the 115hp is the same OTHER then different cam shafts.. So you get up to about 105hp to 110hp by removal of the rescrictor plate and tune.
Good Info. ECU controls timing also. The ignition advance curve MAY be different between the 50 and 60- it's an easy way to reduce power. The restrictor seems to be the main power reducer between the 50 and 60 though. I 've seen restrictors on several (mostly small) outboards.
Good info. Well done. Research and logic.
I did this with my 2006 50 hp Mercury. I got 400 more rpm and an extra 3 mph. With older Mercurys (pre-2014) you can also do this. I later changed my prop from a 12 pitch to a 14 pitch to keep my rpms under 6000.
I have a Yamaha 90 hp 2000 model 2 cycle will have to check it out
Now I have removed the restrictor plate on my Yamaha F50 2005 and done the test drive and I must say that I feel a difference.
More power from the bottom and there is no problems at all!
It runs great!!
Thank's Drew for this!
Best Regards, Anders from Sweden.
Thank you!
I have a 04 Carb. Gonna look for a restrictive plate.
thanks cap. just what I ben wondering about... got a 50 Suzuki. prob. bout tha same
Thanks buddy really appreciate it
I wonder if I could do something like this with my 13 Yamaha F70
Do you know if this would work on a 1996 f50?
I have a 2005 Yamaha F50 TLR mounted to a 08 Klamath Explorer 16.1 ft, and will be removing the restrictor plate tomorrow morning as well as adding a performance yamaha black stainless 10 1/4" dia, 15P prop that should drop my rpms back to 5600-5800 WOT. Out of rev limiter territory anyway. Thanks for the video.
thank you!
There is a one degree difference in the timing. Will that make a difference? You tell me. I have hundreds of hours on mine like this with absolutely no problems what so ever. The plugs look fine as well. Burn 93 Octane as a cushion. I also have seen numerous others do this as well on many engines. Have yet to find someone with a catastrophic problem.
Well done Captain
Thanks
I have a 2002 Yamaha T50TLRB BUT IT DOES NOT LOOK LIKE I HAVE THE SAME RESTRICTED PLATE ON IT UNLESS IT'S IN A DIFFERENT LOCATION
I am almost positive that if it has a carburetor on it then no. I just know about this particular outboard. It is EFI.
try putting a high output coil and some good wires on it
I have a 2016 Mercury 75hp. did the same thing. huge difference.
Do you think I can do on my 40hp Mercury 2011 model.
I actually think it is right on with this one. I am at 5500rpms at WOT.
I am wondering if the PCM power control module makes more fuel on the 60 hp. If that is the case, you may be running on the lean side with plate removed. I would look in to it so you dont cause extra heat running lean which could cause piston and cylinder damage.If the PCM is a different part number from 50 to 60 hp I would think that fuel might be a issue. I am a licensed master journeyman mechanic now retired. Best Regards, Bob
Well this does give the motor more air it will not respond to it without the additional fuel from the larger ECM provided with the 60 hp this is not recommended, without upgrade if ecm
I spoke with Yamaha and an employee looked up the specs and they are almost identical except for that disc and he said the ECU’s are different, he said it would run leaner as you wrote, would void any warranty if this is done
Hello from Bulgaria. I have Yamaha F40-3 carburators. Can i tune up carburators and take more "horses". Thank you
Not Sure. I have a EFI
will this work on a 96 f50? also im running 87 octane i can get 92 in CA, think i should run 92? thanks Drew enjoy all your vids!
Jon S. Not sure.
so you didn't put any new part in it at all ?
Thank you! I've just bought a 2005 Yamaha F50 and I' m gonna do this upgrade!
very good info, to bad I have a 2 stroke! Does the gas consumption change much? prolly not on a 4stroke gas mizer
Not really. Maybe a 2% loss if that. Thx!
So there isn't a restrictor plate on a 2 stroke?
they do this to a lot of the differant sized outboards.. it would cost them thousands extra in production cost to make a slightly differant sized cc enigne.. lot cheap to make models that can be restricted to vary the hp.. had an old merc 7.5hp, 196cc engine, looked at a particular site, noticed the 9.8hp was also 196cc... same thing, remove the restrictor plate an youve got a 9.8
This is awesome. Does this work on newer models? 2020 f90? Would be amazing
Hahaha
No I think that changed the ECU
The difference between 25 and 30 E-tec is EMM regulated/restricted....
Hello! Is it possible to remove the bridle and put an F70 ECU instead of the F60? Thanks
Not sure. Maybe someone else will answer here for you.
I have the same year and hp..but a 3 cylinder 2 stroke..anything I can do for a few more hp?
Not sure you can
Hello Drew. Nice video. I have a 2008 F60 Yamaha. If I do the same, will it perform better? 95 Octane!
Thank you
miloudan You had better talk to your Yamaha guy on that one.
Thank you Drew
i was informed that the ecm would have to be replaced as well,yes you get more air but if the ecm does not command more fuel you wont get any more hp.
+moe ouellette Not true. Also then how do you explain the increase fro me of more MPH and an massive hole shot increase on take off? I gained more top end speed and faster jump up on plane.
Holly molly I have an E-tec 25 which is identical to the 30 HP. Do you think this could also be done with the E-tec 25?? I dont know much about outboard motors.
Has to be reprogrammed.
Drew,, can I do it on my EFI Mercury 40hp 2011 to increase 50hp?
No idea. I do not know about the Mec. engine. You will need to ask around or see if someone answers on here.
Hello! Very nice!! Is your outboard still fine? Are you checking spark plugs? Thanks.
Nico Bimmer It is perfect. Check them every three months when I change them. Have put on hundreds of hours since this and no issues. I do burn 93 octane.
Drew Cavanaugh how is your motor doing after all these years? I have a 2020 F50 and it looks exactly the same as yours and same restrictor plate.
@@alex8449 I'm wondering the same thing. I have a2020 f50 as well. There's another video online that says you need to switch 3 things not just restrictor plate.
@@andrewn.5117 I saw that too I have the same outboard as you and I'm holding off until the warranty runs out
@@alex8449 There is an electrical wire running across the top 10mm bolt that's wrapped in conduit. Yamaha/dealer will put this white tamper dust/paint right where your socket will go and or fingers to lift up. Plus they will take a photo of the bolts/ clamp and orientation of the restrictor plate. Yamaha dealers will do anything to void a warranty. Suzuki 40 to 60hp fourstroke 3cyl DOHC shit on the 2v Yamaha's and get way better fuel economy. I have a F50 2019. Very disappointing performance and fuel economy.
I have a 2018 Yamaha 50hp 4 stroke, just confirming, I can do this?
I am not sure. You will have to research that or try it on your own
where do you guyed and what tape of fishing
Central Florida
Lower unit
Do you know if this works on a 2020 50hp yamaha
No it will not. They changed this years ago.
Does this work with a 2009 Fuel Injection too??
The engine I have is an EFI, 2007. The one in the video is fuel injected, so that is all I have worked on.
That I do not know. Look at the specs for that outboard and see what they say.
YOU MIGHT BE ABLE TO SWAP THE CDI FROM AS 60HP IF THE ELECTRICAL PLUGS ARE THE SAME ON THE CDI. THEN THE RPMS WILL BE HIGHER.
Not completely true. I did this and took my boat out a few times while waiting for the new 60 ECU to come. I took out the restrictor and even changed the air intake inlet with the larger one (6C5-14453-01 ) the 60 comes with. With a 14p prop, restrictor out and wider intake i was getting 5,600 RPMS, after I changed to the 60 ECU I'm getting 5,900. Going to lower my diameter a touch and try to get to 6,100.
Captain Drew can this be done to a Yamaha F75 changing it to aF90,would be so happy if it could
+Peter Pasicznyk Not sure. You will need to look at the specs for your engine and see if they are the same.
Peter what did you find out? I’ve read you need to buy another ecu then possibly reprop accordingly
@@lukeyna1 I had a 75 hp Yamaha and I figured out that it also had a restrictor in it I removed it and it made a huge difference
@@robertdelphus6273 I am looking to do the same on my 2006 75hp. Currently running 6000RPMs at WOT, how much of a RPM increase did you see?
Do you know if the Yamaha F50 TLRY (2000 year model) has a restrictor plate?
Not sure, you will need to look
@@Cavanaugh68 thank you. I just had the carburetors off and cleaned them because the motor had been sitting for 2 years and the fuel wasn't drained from them after it had been last run. I didn't see anything that looked like a restrictor plate. I've also been searching online and haven't found any information about one being on the 2000 year model.
Nice, I have a 07 T50 same except for the lower end. Gonna go check for that plate :)
Did you do this on your t50?
Hello,, how was the results on T50??
What prop are you running
No Idea my friend. This
boat was sold 12 years ago.
The ecu is tuned different for the 50 vs 60. If you pull the plate and allow for more air in and the ecu isnt changing the pulse width of the injection then the engine is gonna run leaner dont you think?
So that is the theory but most marine mechanics said not enough to do damage, but do at own risk
@@Cavanaugh68How long did you have your f50 with the plate out of it
had it for another 3 years before I sold it.
Someone told me the ECM is not the same. Have you looked into it?
No because I have not had this boat in over 10 years now
Let me know if it works on that one. I also use 93 octane, FYI
Hey my friend , you think I can do that to my F250 , 2007 Yamahas ??
Hey Captain, I’ve just taken my restricter out of my 2010 50h/p Yamaha so fingers crossed it goes like you say. Great video by the way. My question is here in Australia we only have 91,95,98 Octane fuel to pick from. You say you use 93. What do you think be the best one for me to use? Thanks for your advice 👍🇦🇺
@@dragovisnjic4570rec 90 or ethanol free
No I do not. I have the 50, so I have no need to no that info. My Banshee can only use a 60.
yes,you will have an increase in hp,but your motor will run too lean because the ecm is not supplying proper fueling,report back after you pop your pistons.
+moe ouellette Not true again. Only a half degree in timing change for the ECU. Not enough to effect anything or make a difference, again on this particular model and set up. Also going on thousands of hours of use now after I did this and still no "pop". Spark plugs look perfect and the computer throws no errors. Also this is why I burn 93 octane to prevent detention. Even have had Yamaha techs say no issues or problems with what I did. Now the newer models do not allow you to do this. Yamaha has grown wise as in loosing $$$$.
+moe ouellette I appreciate your input however, Thanks.
will this work on 50 h.p. 2 stroke?
The only way to see is to try it. I have no idea because my engine was different.
Will it work on a Yamaha F50-99?
NILZ Not sure, look and see if the plate is there. Is it fuel injected or carb? Does not work for carb.
Carb, so probably different soluton.
I'll keep you informed! I you 95 octane so it should not be a problem. If I look down the intake I see the restriction plate.
Do you still have the motor? Did you have any adverse issues with it down the road?
No I do not have it any longer. I have a Yamaha 115 LB now on a new boat.
@@Cavanaugh68 nice! Did it ever give you any problems after you removed the restrictor plate?
Cassidy Brown wondering this too
Curious after 8 yrs if you ever saw anything negative on that engine without changing the ECU. I've seen some guys say you need to swap to the 60hp ECU and other guys say you don't. I'm looking at buying a 50hp that has been run without the restrictor plate, but with the 50hp ECU. My concern would be the long-term damage of a lean mixture.
It finally went bad at 2700 hours
@@Cavanaugh68 lol, probably shouldn't worry about it then
@@Cavanaugh68 what happened at 2700 hours? was it regularly oil changed? and were there any symptoms before failure? im curious because im interested in buying this same motor probably has 800 hours on it.
@@vlogcity1111 I'd also love to know
@Drew Cavanaugh
What about Yamaha 2018 70 hp?
Should work for 2017 F80.... Remove the plate and should become F100 specs!
I think the F80 is a jet drive
The fueling is based on load, ie: map (manifold air pressure) vs rpm. This ecu uses a simple speed density fueling calculation. Pulling the restrictor plate will simply move the fueling up in the fuel matrix or fuel map. It will not run lean.. Bunch of internet parrots saying you will blow your engine are misinformed.
Well said mate!!
Was just thinking that reading the other comments.. you are correct
Correct actually runs richer.... and without the extra timing doesn't really make the extra 10hp nor does the engine actually make 50hp at the prop anyway. No AFM or knock sensors either on the F50
I question the 5 to 6 mph more. I would say the difference between a 50 and a 60 would be 2 to 3 more with the 60 having slightly more hole shot and mid-range as well. Great post and tip.
DYNO DON Not sure why, I have a GPS, it tells the speed of what I did and now. You have to think this a 20% increase in power.
Also depends on your prop too. What's do you want more top speed or more take off
I'm always afraid it will do damage over time. I don't have to get there faster, just get there. It's good to know though.
I don't blame you, however I am still not having any issues. Actually I feel my boat and the engine are running better than ever before.
Drew Cavanaugh I may give it a try later on, you should do a follow up in a couple of years.
Wait till you find this same thing on your GM truck done by retarding the throttle position sensor.
THIS WILL NOT HURT THE MOTOR ALL ITS DOING IS GETTING MORE AIR. MORE AIR EQUALS MORE HORSEPOWER ITS LIKE ADDING A AIR INTAKE OR JETTING A CARB.
You can´t improve power just adding air and no fuel!
You would need an ECU remap or an F60 ECUnb
Not true, doing this on mine is proof. Explain to me how I have gained more power, more miles per hour in speed, improved hole shot and greater RPM's at WOT. The ECU between the two is only a 1 degree difference in timing. I have talked to Yamaha Mechanics who have said there is absolutely no "big" difference in the two engines, the 50 & 60. I am going on hundreds of hours of use after doing this zero problems. The only difference in the two engines is a cowling sticker and $500 in extra cost. The timing on the ECU is not an issue.
Then just tell me how after I did this I do have more power? No new ECU or mapping done. I put the plate back in last week to show a client the difference on the water, night and day. This is a 20% increase in HP, going from my 50 to 60. It is a simple engineering and marketing concept from Yamaha's point of view. One piece of plastic for $10 and charge an extra $700. Cannot blame them. They are in a business to make money.
I also have done that and the gain was simply 100rpm and 1kt at WOT, for sure did not convert it on 60HP. (however I haven´t done a dynoTest, not even you I guess)
Yes, on some models if you have a larger intake you can inprove power but by my experience is not 10HP)
gonzos6
Yes I did, showed a substantial increase in HP
Agree with you. May be captain already has ECU from Yamaha 60.
I use 95 octance I mean...
lol buy a bigger one that's what's she said.
None of this is true the ECU does not relearn anything. Do not do this without a new ECU for a 60hp.
Well then the evidence I have sure does dispute that. I had 1300 plus hours on my engine "after" doing this. Not one problem. Also I have numerous persons tell me they have done this with ZERO problems. Also know several professional guides who have done this with no problems. So please post one person with an issue after doing this to this particular model and year.
I had a senior Yamaha tech tell me that this change will not effect the ECU what so ever. He said it was a less than 1 degree timing change and that would bare no effect on this. You do not need a new ECU unless you just want to throw away $850 for nothing. Again, me doing this with over one thousand three hundred hours on it proves this works. Also others doing this without a new ECU. Now again, for this particular engine. It may not or may work for others. That I do not know.
I am with you Saugeye854. The ECU has to be changed and then the restrict is removed. That is 60Hp. You get what you pay for by the way.
Timing has nothing to do with it. What has changed is the air/fuel ratio. You let in more air so you need more fuel to maintain the same a/f ratio. The fuel you run has a certain stoichiometry ratio which for E10 is approx 14.2:1. A/F ratio has to be enriched as load increases. Hook up a wide band O2 to your exhaust and I'd better money you are running lean.
sdvten - I agree, pulling out the air restriction should lead to running lean which will damage the engine over time. Check the plugs to see if they are white, indicating the engine is running hot and probably detonating. There is no way for the ecu to adjust itself to add additional fuel to correct the air/fuel ratio without an O2 sensor, which this outboard does not have. Removing the air restriction is comparable to running the engine with a clogged fuel system. Again the real test would be to check the O2 levels at the exhaust. Unburied O2 would indicate a lean condition.
thanks mate. I got a 2016 f50 did like u showed. Works well hole shot better now.. happy with it. it's like putting a K&n filter in ur car. just breathes better improves mid range touque. thank you
I need more power with my 2015 f50. Going to try myself. Mine runs good low speed and on top but getting on top is the problem
@@cleckler2935 Sell it and buy a 60 or 50 Suzuki. Wayyyy better owned both Suzuki is way better on fuel. Less maintenance too.