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Old 09 November 2004, 20:20   #21
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Country: UK - Channel Islands
Town: St Peter Port
Boat name: Black Pig
Make: XS-Ribs
Length: 9m +
Engine: 2 x 225hp Optimax
Join Date: Sep 2004
Posts: 375
Hi,

I too would be very interested in what sort of fuel consumption you can get out of an Optimax.

I've got my 200hp appearing in the next few weeks so would be pleased if I can gauge a rough idea of what to expect and at what revs.

I have a sneaking suspicion I'll be going at full sshpeed once the engine is run in!!
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Old 10 November 2004, 03:18   #22
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Country: UK - England
Town: Aylesbury/Lymington
Boat name: Farfetched
Make: Solent
Length: 6m +
Engine: 150hp Optimax
MMSI: 235021048
Join Date: Apr 2004
Posts: 859
Don't take my word for it, but Fairweather told me there was no problem going full throttle from day 1 - simply don't stay at one rev point for long - make sure you are using the whole rev range. That is what I did, and she seems sweet as can be....
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Old 10 November 2004, 04:14   #23
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Country: UK - Channel Islands
Town: St Peter Port
Boat name: Black Pig
Make: XS-Ribs
Length: 9m +
Engine: 2 x 225hp Optimax
Join Date: Sep 2004
Posts: 375
Yeah I'd heard that, but assumed the engine management chip would stop me from going to max rev's during the bedding in period!?

Also with the Optimax you have the management console'y things that should tell you what revs and for how long!? Again I'm at a bit of a loss as I've only ever owned either second hand outboards or diesel inboards!?!?!

Does anyone know what the full run in is for an optimax??
Is it me or is Mercury Marine website very bad and very un-helpful??
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Old 10 November 2004, 04:46   #24
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Country: Ireland
Town: Carigaline/Baltimore
Boat name: XS-600
Make: XS-Ribs
Length: 6m +
Engine: Merc Optimax 150 XL
Join Date: Feb 2004
Posts: 682
Here you go!!

First hour
Allow engine to warm-up for 30-60 seconds.
Avoid continuous operation at idle speed for more then ten minutes.
Run the engine the majority of time between 3000 and 4500 RPM
approximately three quarter throttle.
Vary engine speed; change engine speed approximately every 2 minutes.
Avoid trimming the outboard out (up) beyond a vertical trim position during
operation.
Short bursts of full throttle for periods up to 10 seconds are acceptable.
Next three hours
Change engine speed every 10 minutes.

The engine automaticity receives extra oil during the first hours of operation. For most boaters this extra oil mode will be complete in about ten hours.

Hate to tell you this Bruce but Fairweather were wrong, you can give her ten second bursts at full throttle and thats about it only for the first hour. If you blow your engine they can check if this was adhered to by connecting to the CPU. It may void your warranty, but if Fairweather are servicing, it shouldn't be a problem I guess.

The smartcraft will tell you when the break-in procedure is over for the first hr but you must still vary revs every ten mins (not hard when driving a RIB!!) for the next three hrs. Oh and it won't limit the revs, you gotta do that part yourself. They like to be driven hard though as you will find, just keep varying the revs as Bruce said.
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Old 10 November 2004, 05:04   #25
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Country: UK - England
Town: Aylesbury/Lymington
Boat name: Farfetched
Make: Solent
Length: 6m +
Engine: 150hp Optimax
MMSI: 235021048
Join Date: Apr 2004
Posts: 859
Again, don't take my word for it, but on the first outing, outside Portsmouth, Kev ran her at WOT to see what she would do for quite a bit more than 10secs. The world did not cave in..... But Mercury are being cautious and there may be warranty issues, I accept.
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Old 10 November 2004, 05:27   #26
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Country: UK - Channel Islands
Town: St Peter Port
Boat name: Black Pig
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Length: 9m +
Engine: 2 x 225hp Optimax
Join Date: Sep 2004
Posts: 375
Thanks again Swginn!

To the rescue as per usual!

I've got a full day before we do the channel crossing so I can get most of this done during that day. Might cost me a bit in fuel but if I can get it run in pretty much before the crossing I'd feel much happier.

Also means that should the worst happen (Unlikely.....but not unheard of with a new engine) I'll be in the Solent and not half way across the channel!
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Old 10 November 2004, 08:09   #27
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Country: Ireland
Town: Carigaline/Baltimore
Boat name: XS-600
Make: XS-Ribs
Length: 6m +
Engine: Merc Optimax 150 XL
Join Date: Feb 2004
Posts: 682
Pettal, no problem!! Happy to help. Also if you want to get to know your new engine before you pick it up you can download the user manuals here:

Opti 200/225 User Manual

Opti 135/150/175 User Manual

Smartcraft

I reccommend giving the Smartcraft one a quick read anyway so you know what does what, and can get your consumption figures/ range which will be important for your trip.

Every manual and installation drawings are available in the download centre at marinepower.com here:

marinepower download centre

I wanna see plenty of pics of her by the way!!

Good Luck
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Old 10 November 2004, 09:47   #28
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Country: UK - Channel Islands
Town: St Peter Port
Boat name: Black Pig
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Length: 9m +
Engine: 2 x 225hp Optimax
Join Date: Sep 2004
Posts: 375
Cheers for that!

It'll give me something to do this afternoon when I should be working!!

Don't worry as soon as "New Toy" (as it's now commonly reffered to) gets back to Guernsey the camera will be out and happy snappy!!!

There would have been pictures of the big day, but the Mrs lent her waterproof camera to a friend...dopey bint...and my Fuji S2 Pro ain't going anywhere near the water.

I was hoping that when LL told me the boat would be with him this week for fit out he'd meant early week rather then possibly this week, probably next.

So looking doubtful for next week now which is a shame (unless Barnet can pull off an amazing transformation in 2-4 days ) as the weather seems to be clear for most of next week and then turning to complete and utter poo!!
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Old 10 November 2004, 12:11   #29
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Country: UK - England
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Quote:
Originally Posted by brucehawsker
Again, don't take my word for it, but on the first outing, outside Portsmouth, Kev ran her at WOT to see what she would do for quite a bit more than 10secs. The world did not cave in..... But Mercury are being cautious and there may be warranty issues, I accept.
He did that to my brand new un-run in diesel too!
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Old 10 November 2004, 14:06   #30
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Country: UK - England
Town: Ipswich
Boat name: Obsession
Make: ORKNEY PILOTHOUSE 20
Length: 6m +
Engine: SUZUKI 70
MMSI: 235024496
Join Date: May 2004
Posts: 390
Hi Pettal
I love the Optimax 225,only got 23 hrs on mine it had about 10hrs when I got it,it's got plenty of grunt in the 35-50mph range and go's on to it's maximum speed of --mph without any problems.I'm not going to say what the top speed is because some people get the hump and start telling me what my predicted speeds are when they havn't even seen it or been on it.
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