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Old 16 September 2004, 04:48   #41
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Manos,

Just a thought but what about getting a Merc Optimax 250XS or even a Promax 300. I don't know the cost of any of these, but they must be worth a look anyway, especially if you want to stay with 2-stroke as they are the only new-tech Merc 2-stroke in the 250-300 power band.

There's also a new Optimax 2.5XS coming out and its gonna be a V8!!

Worth a mention here anyway.

http://www.marinautic.ltd.uk/ are the UK dealers for High Perfomance Mercurys, they kit out all the Mercury powered Pascoe Ribs.
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Old 16 September 2004, 04:57   #42
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Thanks for the info swginn. I also had Mercs in mind
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Old 16 September 2004, 09:39   #43
ADS
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Quote:
Originally Posted by codprawn
Surely there is a bit of a difference between a 40hp and a 225efi???
Probably about 35 knots depending on what you put it on!


Quote:
Originally Posted by codprawn
Obviously it will drink a lot - but then so does any 225 outboard! As to difficult starting never seen any other complaints - our local dive club runs a 200 and a 150 and they love them - 2 plugs per cylinder is bound to help!
Two plugs per cylinder will help but its just that every Suzuki I ve ever driven sound very rough (except for the four strokes). The two strokes are good, reliable old-tech outboards but are just a bit agricultural. Assuming you got it for a good price it should provide you with a very reliable outboard without the expensive purchase price.
You have to admit though the cowling does'nt look as sexy as an opti!
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Old 16 September 2004, 09:46   #44
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Quote:
Originally Posted by ADS
Probably about 35 knots depending on what you put it on!




Two plugs per cylinder will help but its just that every Suzuki I ve ever driven sound very rough (except for the four strokes). The two strokes are good, reliable old-tech outboards but are just a bit agricultural. Assuming you got it for a good price it should provide you with a very reliable outboard without the expensive purchase price.
You have to admit though the cowling does'nt look as sexy as an opti!
Very true - what does dissapoint but is really a good thing is how small the 225 looks compared to the optis and especially the 4 strokes - it looks more like a bloody 125 or something!

Obviously the smaller and lighter an engine the better but it does look so weedy compared to modern 4 strokes - until you whack open the throttle that is!!!
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Old 16 September 2004, 10:15   #45
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Originally Posted by swginn
Manos,

There's also a new Optimax 2.5XS coming out and its gonna be a V8!!
Erm, well actually, NO it's not!

http://www.mercurymarine.com/2.5xs
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Old 16 September 2004, 10:57   #46
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Originally Posted by Dirk Diggler
Erm, well actually, NO it's not!
I think you'll find, actually, YES it is!!

Well the link you posted is to the current Optimax 2.5XS. However I did say that there will be a new one coming out soon, and it is in fact a V8. Links below, first one is from the Official Mercury Europe website

http://www.marinepower.com/WebSite/M...7?OpenDocument

http://www.ibinews.com/ibinews/newsd...26ibinews.html

http://www.bymnews.com/cgi-bin/datac...rticleID=2806/
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Old 16 September 2004, 11:34   #47
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Originally Posted by swginn
I think you'll find, actually, YES it is!!
I hope so too, and I first read about it being a V8 last month on the IBI website, but I've been reliably (I believe) informed that it's a v6. Just have to wait and see!
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Old 16 September 2004, 11:38   #48
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Shamelessly nicked from Scream & Fly:

Mercury Racing Releases All-New OptiMax 2.5XS Outboard

July 29, 2004

FOND DU LAC, WI. Mercury Racing is pleased to announce the release of the all-new OptiMax 2.5XS outboard. Designed for smaller, lightweight boats (flats, bass, vee bottom and catamaran sportboats), the custom-built engine features a compact 2.5 liter, V-6 OptiMax powerhead mounted on a 20-inch, 3.0 liter center section and gearcase. The compact V-6 powerhead saves weight on the overall package, enhancing boat performance and fuel economy.

It is the first of next generation low-emissions outboards to replace the legendary 2.5 EFI Series, which will be discontinued at the end of the 2005 model year. The direct fuel-injected powerhead is full of race-inspired features including Mercury Racing pistons, cylinder heads and air intake system with carbon fiber reeds. The Mercury exclusive PCM 03 microprocessor provides the ability to optimize fuel, spark timing and knock control for each cylinder independently, enhancing engine running quality and performance. The PCM 03 also operates the electronic multipoint lubrication system. The SmartCraft Control Area Network (CAN) system, a network of sensors and actuators, proactively monitors and controls multiple engine functions. This system also enables the PCM 03 microprocessor to provide real-time engine function data to accessory SmartCraft gauges, including speed, RPM, engine trim level, fuel consumption and range.

Unlike other DFI systems, OptiMax uses an exclusive 2-stage process. A burst of air (at 90 psi) shoots through the fuel, breaking it into a fine mist. This fine mist creates more surface area for combustion and stays suspended in the cylinder longer, resulting ina more consistent and complete burn. The 2.5XS features a higher air/fuel pressure differential than production engines, enhancing running quality.

The 2.5XS features an exhaust adapter plate ,built-in appendages for mounting after market steering wing plates. Models come with the new Mercury Racing rigging tube kit. The kit features a larger 2-1/2-inch size for fitting all electronic cables, steering cables and fuel lines. The durable hose threads onto the one-piece couplers - providing a complete seal at both the engine and boat.

Models are available with a 20-inch (508 mm) center section and either a right-hand rotation 1.87:1 Sport Master gearcase or 2:1 Torque Master gearcase. The OptiMax 2.5XS comes with a 2-year warranty and a 2-star CARB emissions rating.
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Old 16 September 2004, 12:55   #49
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Sense says it is probably a V6 and Mercury have just made a mistake with some website info. I would imagine a V8 is probably too heavy for marine outboard use. Would sound very nice though!!

Either way I'd like to hear one at 6800rpm, thats a lot of revs, especially for a 2-stroke!! looks nice too

It would still be nice if they made a V8 though wouldn't it!!
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Old 16 September 2004, 13:32   #50
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You need to have heard an OMC F1 V8 at full chat!
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