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Author Topic:   Yamaha F225 4 Stroke
BMR posted 04-03-2002 07:45 PM ET (US)   Profile for BMR  
I am concidering a Yamaha F225 4-stroke on my next boat. Has any body heard or experienced any relability issues with this engine? I heard soemthing about a vapor lock issue, but nothing else.
JoeyP posted 04-03-2002 10:29 PM ET (US)     Profile for JoeyP  Send Email to JoeyP     
I recently read a post either on this site or the that said that some of the new Yam 225 four strokes have an oil leak problem which occurs after about 50 hours. Yamaha is aware of the problem and attempting to correct it. If I find the post I read I will let you know.
JoeyP posted 04-03-2002 10:37 PM ET (US)     Profile for JoeyP  Send Email to JoeyP     
Here is the post I found from the boating section:

"Speaking of the 225. Buddy of mine has about 79 hrs on one. At about 50 hours it started to leak oil. The shop has had it and even some engineers came to his house to look at it. THey said that is was a common problem and told him to just keep using it until they came up with a fix. Anyone else had the same problem. He loves the motor. Fishes everyday the weather permits and saves about 40% on gas and much more on oil."

BMR posted 04-03-2002 10:50 PM ET (US)     Profile for BMR    
Thanks for the information. I wonder if any one else has experiecnsed this issue?
PMUCCIOLO posted 04-04-2002 02:30 AM ET (US)     Profile for PMUCCIOLO    
Although I have had great experiences with the past four Yamaha's I've owned, I'd wait. The engines are expensive, heavy, and complicated. I would be concerned, if I were going to keep the boat for a long period of time, with maintenance. A valve job is a very expensive proposition on an engine of this type.

Otherwise, I've seen them running and idling on nearby boats. They are phenomenally quiet and smooth.

Consider, though, the amount you'll run you boat anually vs. maintenance and fuel consumption. The increase in cost over a two stroke engine (carb, EFI, or DFI) is substantial, and may not be justifiable in your case.

Good luck in your decision making.


jimh posted 04-04-2002 09:32 AM ET (US)     Profile for jimh  Send Email to jimh     
I am not sure if an unidentified citation of a quotation which refers to an unidentified third-party's report of an oil leak constitutes evidence of an oil leak problem with Yamaha engines.

On another website a guy said:
"A buddy of mine said Yamaha engines are great and never need maintenance."

See, problem solved. :-)

Peter posted 04-04-2002 05:26 PM ET (US)     Profile for Peter  Send Email to Peter     
That's known as "hearsay" and would not be admissable to prove that the F225 leaks oil.
JoeyP posted 04-04-2002 08:06 PM ET (US)     Profile for JoeyP  Send Email to JoeyP     
I agree on the third party comments. Just passing on what's out there. I'm sure the only true answer to that question will come after a year or two. Time on the water is what counts.
Flying Nutshell posted 04-09-2002 07:38 PM ET (US)     Profile for Flying Nutshell  Send Email to Flying Nutshell     
We repowered a 27 Offshore with a pair of F225s late last year. We only have about 20hrs on them, but so far we couldn't be happier. Smooth, strong, quiet, smokeless, and efficient, and so far completely reliable, starting the first time, everytime, with no sputtering. Local dealer has 30ish out now, and says no problems at all. Hope it stays that way! Flying Nutshell
PMUCCIOLO posted 04-10-2002 05:39 AM ET (US)     Profile for PMUCCIOLO    
Flying Nutshell,

How does the 27 Offshore's static and dynamic trim angles differ with the new four stroke power versus the prior two stroke power?

Would you keep us updated on the reliability, efficiency, and service required as you put more hours on the engines? It will be interesting to monitor the engines with their technological advances.


Flying Nutshell posted 04-10-2002 08:35 PM ET (US)     Profile for Flying Nutshell  Send Email to Flying Nutshell     
Glad to keep everyone posted on the F225s. As to differences in trim, we're actually a bit lighter with the F225s because we replaced OMC V8s. And, this boat feels bouyant enough that even with 240 gals of fuel, we can still stand a couple adults in the splash well and still not appreciably change the attitude.

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