Yamaha In Line 4's

FishRock

Still trying to figure it all out
Mar 27, 2013
2,177
3,211
Alaska
Name
JAM
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Thunnus - 22' Koffler BayBee (1990)
So I have had a 2 Stroke, Yamaha 200HP V-Max for 20 years on my 22' Aluminum hardtop. I cruise at 32 knots at 4,500 rpm and top out just under 50 knots at 6,000 rpm. I get about 2 mpg at cruise.

Thinking hard at re-powering with a Yamaha In-Line 4 cylinder (150-175-200). Mainly because Yamaha has a good dealer/service center near me. Comparing these three motors it is hard to tell any real difference between them with a couple exceptions.
All three are based on the same block and cylinder sizing (150 digital control version.) 175 and 200 have variable camshaft timing and the 200 apparently has different combustion mapping to achieve higher HP rating with higher Octane rated fuel. Looks like Suzuki did the same thing with their 150, 175, 200 HP line.

Each jump in HP costs another ~$1,500.

Folks report the Yamaha 150 to be a "Strong 150" and report the 200 to be a 'Weak 200".

So on paper it looks like there is no benefit to going with either of the higher HP versions.

But, the one person I spoke with about his boat said he saw a significant improvement in overall performance going from the 150 to the 200 and many 200 owners seem to be very happy with their 200.

Any insight or information that may help with the decision would be appreciated.
 
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Fishpro

Almost A Member
Mar 13, 2017
141
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Brooklyn
Name
George Zillini
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George Zillini
I have a 2015 Yami F200 on a 1989 Parker 2310. At 4200 rpm I do 23-25 kts depends on tide usually have 3-4 people. Fuel economy is 2- 2-1/2 mpg. I got 3mpg a few times in perfect condition and a light load. I am very happy with it 400 hrs on it.
 
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john beerling

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Jun 9, 2008
131
396
So Cal
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john
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Robalo Cayman 226
Currently running a Yami 200 on my Cayman 226. Overall performance is outstanding. But I’m a little bias. However a friend recently removed a relatively new 150 off his 20 ft center console and replaced with a 200. The difference in ride and handling was night & day. Spend the extra dollars and upgrade. You won’t be sorry.
 
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FishRock

Still trying to figure it all out
Mar 27, 2013
2,177
3,211
Alaska
Name
JAM
Boat Name
Thunnus - 22' Koffler BayBee (1990)
Thank you! That is exactly the real world feedback I was hoping for.

The difference in ride and handling was night & day. Spend the extra dollars and upgrade. You won’t be sorry.

John,

When you say the difference was night & day, do you have any performance data (better fuel economy, noticeably lower RPM @ cruise) or was it just a feel thing. More response when throttling up or pushing through a wave/swell?
 
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john beerling

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Jun 9, 2008
131
396
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john
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Robalo Cayman 226
Well, more than a feeling... but I’ve owned 10 boats in over 50 year span and on the water weekly. But yes, I immediately noticed the difference. The biggest difference right out of the gate was his boat ran at a lower RPM, which dramatically increased his gas mileage. In addition, that extra bump in power made the boat ride better on its pad, especially when applying trim tabs. Running that engine at lower RPM’s is only going to add to the long term life of that engine. Again, the difference is very noticeable which again should make your decision a no brainer
 
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oceanski

I Should Upgrade My Account
Oct 6, 2015
1,150
1,036
Valley Center
Name
Taylor O
Boat Name
2003 Davis Bahia
I wish I would’ve put a 200 on my Cabo 216 instead of a 150. The 150 pushed it fine but it would’ve been nice to have the extra horses with a heavy load. The 200 will pay off with resale value as well.
 
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ocsleeper

Member
May 1, 2008
559
389
Anaheim
Name
Ricky
Boat Name
Cobia 220 DC
I have a fairly new 2015 F200 with a crap load of hours on it (approx 1200). Never had one issue and in good condition, cruise a out 28 mph at 4500 rpm with a burn rate of about 2.5 mpg.

This is the first boat I have so no much other info to compare to
 
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