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Old 16 October 2006, 18:27   #11
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Matal, JWalker is correct in his summing up of rating class. This is very important especially when looking for an engine with commercial applications.

Commercial will generally mean that the engine is working harder for longer. Although we are not talking heavy boats like tugs here with ribs being classed as light use, the engines are still being pressed quite hard. With a full boat being driven hard through choppy seas for hours on end, one may be inclined to think that the 4.2 litre ex landcruiser engine which has been more than doubled in output is not doing a bad job!

So i would not be in the least bit surprised if Yamaha will wish to protect their interests by not offering commercial warranties.

In one year alone some companies will put on more hours at a higher rating than an individual will do at a lower rating in a lifetime.

So really we commercial users have plucked a leisure rated engine. This isnt the fault of Yamaha or the people that sell the engines, it is up to the end user to do his homework.

Most of the information for ratings is on the net. As are the power curves.

In a perfect world an engine that is being used commercially will be derated.

That means we buy an engine and dont use it to its full power / speed. The harder the application, the lower the power.

To answer your other post in the commercial forum re hp output, the reason that an engine is advertised with output at the crank rather than the prop is that it may be sold in different configurations, ie with or without a gearbox, or with a sterndrive or with a jet. These configurations would alter the prop output significantly.

I did enquire a few years back with yanmar for their 4lh dte 200hp engines re commercial warranties and they said forget it, I will post the answer to my telephone call for both yamaha and yanmar after i speak to them tomorrow as i am trying to decide which one to put in to a new boat. Not that it will make much difference, i still think they are both great engines for leisure use, and maybe an excellent unit if not slightly a 'throwaway' when used commercially for a few years.
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Old 16 October 2006, 19:14   #12
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01932 358000

Suggest you call this number. I got it off the yamaha website. Hope they can answer your questions
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Old 16 October 2006, 19:55   #13
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Yamaha diesels and stern drives

How nice to have some constructive information posted. I sincerely thank the relevant people for this, especially the super effort made by Jackcastoff. This is most helpfull not only to myself but I'm sure others too. Thank you to CraigC for the Yamaha tel no, it will be most helpful. I posted this info simply to highlight and hopefully inform others reference a possible change in Yamaha aftersales procedure(warrantees) I am sure the replied constructive information will be of use to all within our marine community. It does still appear that I have attracted or perhaps I should say aroused some form of rear guard, or defence surrounding the Irish company Red Bay Marine. I also thank those people for their non constructive remarks and childishness, I'm sure as they say "it takes all sorts" Thank you all once again.
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Old 16 October 2006, 20:02   #14
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Metal Mickey, it's always worth doing a search.

Post #10
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Old 16 October 2006, 20:47   #15
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Yamaha diesel and stern drive

Thank you Jwalker. Very informative and useful. I will still contact Yamaha simply to have their guarantees and warrantees in writing. You have been most helpful.
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Old 17 October 2006, 10:23   #16
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Quote:
Originally Posted by Matal Mickey View Post
How nice to have some constructive information posted. I sincerely thank the relevant people for this, especially the super effort made by Jackcastoff. This is most helpfull not only to myself but I'm sure others too. Thank you to CraigC for the Yamaha tel no, it will be most helpful. I posted this info simply to highlight and hopefully inform others reference a possible change in Yamaha aftersales procedure(warrantees) I am sure the replied constructive information will be of use to all within our marine community. It does still appear that I have attracted or perhaps I should say aroused some form of rear guard, or defence surrounding the Irish company Red Bay Marine. I also thank those people for their non constructive remarks and childishness, I'm sure as they say "it takes all sorts" Thank you all once again.

Well when a strangely worded post appears with a very dubious signature what do you expect???
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Old 17 October 2006, 12:42   #17
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Yamaha diesel and stern drive.

Well codprawn, in answer to your question, "I would expect a small amount of intelligence in replying to such a serious post". It would appear in your case that a contrustive reply as opposed to ranting and ravings of total irrelevance, would I think, we will both agree, have been much more constructive. I thought that this subject matter was very important indeed? Perhaps you would enlighten all of us as to how you would have posed this question, in full detail. I apologise and bow to your superior knowledge of the english language including Yamaha warrantees and guarantees. Strangely enough I do not recall you adding anything of substance to the relevant and pertinant question! If I have annoyed or upset you, then I apologise, I will certainly be much more sympathic towards your feelings in the future. Now to get back to the correct subject, I am awaiting information from Yamaha, hopefully also other suppliers and installers such as Red Bay Ireland. On reciept of any relevant factual information I will post it on this forum for all to peruse, if thats ok with you? Again I thank you and all others for their interest and assistance.
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Old 17 October 2006, 15:18   #18
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Ive said it once and ill say it again.

Its not redbays job to answer for yamahas decision also do you really expect them to be trawling the internet for questions like this.

Have you phoned yamaha or a yamaha specific supplier yet.
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Old 17 October 2006, 17:56   #19
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I suspect Redbay Boats do not as a matter of principle post on the RIB.net discussion forums, it is a good,open and honest forum and I think if you have manufacturers posting it turns it into something commercial which can bias peoples opinions. I am sure Tom or Gary would be quite happy to talk in detail to anyone about Yamaha stern drives on the telephone (028) 217 71331.
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Old 17 October 2006, 18:29   #20
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Ok, I will most certainly buy the product you have just ranted on about, a boat from RED Bay when I can afford one!
If you are unlikely to buy a redbay in the near future I think it is unrealistic to expect them to spend any time answering your question. By the time you have saved up - Yamaha's position may have changed.

As for your actual question - based on the information the JW and others provided it seems a perfectly reasonable position for Yamaha to take. The engine was desinged for a very particular specification of use and opperation beyond that is outside design spec and therefore the warranty. I don't think this is in anyway unique to Yamaha - you will find e.g. many car warranties exclude use as a taxi etc - where usage is typically much higher.
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