OUT with the Yamaha 150ETXH, in with the F150XA!
 

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Personally I think it is a match made in heaven for a V-20. They normally dyno around 160HP to the prop, and are fairly lightweight for a 4 cylinder 4 stroke. You will probably need a differrent prop for it though.

http://yamahaoutboards.com/propeller...ng-a-propeller

Hope the above link helps you w/prop choice...when i went to a 150 Honda back in '04, I had help from a Honda Factory Tech...wound up w/a 15 1/4D X 17P 3 Blade made for Honda by Power Tech Props...and I believe you should be looking in that spec range on yours...

ONE THING yer gonna notice about this re-power is vibration...as in the LACK OF IT...ya don't really notice it til it's gone...will never forget it...felt like I had stepped into a NEW BOAT...:clap:

Take the camera w/you when you splash the new power cuz we wanna see...we wanna see!!...

Four strokes rule! Welcome to the 21st century.

You can do the install, but do not start it yourself. Make certain that a CERTIFIED YAMAHA dealer does teh PDI and first start if you want it to have a warranty. And if the dealer your dealing with is ED's then I believe they got in trouble for selling engines and not performing the PDI's there.

That does not sound like fun at all. I am afraid if i just bought a new motor i would find someway to be the first one to start it. Even if i have to super glue the key to my hand. :you:

It's all about the warranty. Think of how many people out there who will start a new engine without double checking everything. And in all reality, most outboards are ran before they leave teh factory now. I know BRP runs every ETEC at the factory to make sure they dyno high enough and everything is up to par before it ever goes into a shipping crate. If you want to be the first to start it, then your going to have to build it yourself.

I would think...and HOPE all outboard mfgrs start and run their motors on completion...would be disappointed to find one that didn't...and if it's a matter of jeopardizing the warranty...here's the key Mr Tech..have at it...I'll have lots of opportunities down the road...:clap:

the f150 is a sweet motor. If you need a hand with the command link setup or anything just let me know. I deal with that stuff on a daily basis. What dealer are you gonna use? I work for a Yamaha dealer also.

Comstock is good peeps, worked my Honda last year. Where in kettle creek are you? My slip is on kettle creek!