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In 2014 Honda will start selling new engines BF80 and BF100.

Same CCM and weight as old BF75 and BF90.

What do you think guys for this engine?

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I think non-US power ratings are different than that of the USA. Many manufacturers offer a 90 hp motor in the USA and it is labeled as a 100 hp in other countries.

If one researches the NMMA and EU regulations, the definitive answer can be found.

As has been said, modern EFI and DFI engines from all manufacturers are vastly superior than older models.

If you have a decent service provider in your area and can obtain a reasonable price, it is a good choice.

What model of Boston Whaler are you considering this motor for?

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As I have posted, the Outrage 17 I (1990-1995) is very sensitive to engine weight (i.e. does not like heavy motors). See:

http://www.whalercentral.com/forum/vi...ost_102545

Honda lists the weight as 365 lbs for the BF 90 on the US site. I think it is a good choice.

If I had to re-power this model, I would select an ETEC 90 or 115 for the weight savings if the boat was run in the open ocean with an "active" sea state.

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thanks Phil. For me 4stroke is only option. How did you like your yamaha 115 on outrage 17 ?

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The F115 is a great motor. No issues. Basic maintenance is straightforward, except for annual servicing VST which requires removing a lot of parts to access. Highly recommend.

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Paky,

The "new" BF100 is the same motor as th "old" BF 90. It is a great motor and in the 90hp fourstroke market it is the second litest motor availible at 359lbs. The weight Phil quoted is for a XL shaft which is not what you need. I really wouldn't want much more weight on my transom so I would stick with the Honda and Suzuki fourstrokes. If DFI twostrokes are considered you really only have one choice, the ETEC 90. The Mercury Optimax 90 is heavier than most fourstroke 90's at 375lbs. and the 115's from all manufacturers are too heavy for a 17' Outrage I IMO.

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Paky, you should really rethink that.

Instead of asking "2-stroke vs. 4-stroke" you should be asking "old technology vs. new." Yes, the old 2-strokes, and to some extent the transitional 2-strokes such as the Mercury Optimax and Yamaha HPDIs, are noisy and smelly. However, the eTecs are not - they are just about as quiet as a modern 4-stroke, and if you run at the 100-1 mix using XD100 oil, I doubt you'd be bothered by any smell either.

I just wish they made an eTec 70 so I could have one on my 15.

Tim

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Tim -you said you wished there was an etec 70, have you checked out the yamaha f70 at 257lbs? It is a great outboard Very smooth, responsive, quiet, and only sips fuel. That said, im not sure recommended transom weight for a 15. Also, Im not starting a yamaha vs etec debate - they are both great motors.

Paky - don't mean to go off topic from your post. Definitely keep motor weight top of mind for your 17 outrage

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That makes no sense to me unless they only sell 4 strokes in Croatia.

Please tell us more why you only have a choice of a 4 stroke in your country.

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It is hard to get parts for etec in Croatia...
There is no good quality service here.
Gas cost is 2 dolars for one liter~0,25 from galon
Some of guys I know had etec-s and now all of them have new four strokes. They use 10-15 gas more than good four stroke + oil
Price of etech is same or higer than 4 stroke.
Im using boat every day, not on weekends like 99% of people.
only good thing is power and lightweight of motor but that is not enought for me ;)

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was f115 to heavy for your outrage 17?

TNX

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Not too heavy. In rough conditions on the ocean with tightly spaced, tall breaking waves it was a problem for my boat. (Note it was trailered all it's life with no bottom paint.)

I found this model squats when applying significant reverse power. Another way to say is the reverse thrust causes the stern to go down. Maybe all boats do it.

With the F115 on my boat, the splashwell had water in it at rest. The waterline was above the drains by 2"

With a full tank of fuel, battery in stern quarter seat, I would have to be very careful backing into 1-2 waves. If I was not gentle with the throttle, water would fill up the splash well and overflow onto deck (then drain, eventually into sump.) very quickly. 10-20 gallons in 30 seconds. Made the boat very sluggish and in nasty conditions, that is the last thing you want.

Moving the battery and gear to the console; tool box to the cooler seat in front of the console helped a lot.

Remember was only a problem in Small Craft Advisory (SCA) conditions. This can be described as "..wind speeds of 21-22 knots and hazardous wave conditions to small craft. "

After 2 years of use, I got very good at operating in SCA so it wasn't a problem.

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tnx... great info !!!