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Old 26-09-2006, 08:54 PM   #1
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Merc 200hp

Quick question
I have the choice of purchasing a merc 200hp 2.5L Offshore (love the sound of these) or would I be better buying a 200hp optimax, is there much difference in fuel economy and weight?
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Old 26-09-2006, 08:56 PM   #2
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'Economy' and '200HP'

Mutually exclusive!
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Old 26-09-2006, 09:00 PM   #3
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Off Course only sipping juice
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Old 26-09-2006, 09:22 PM   #4
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What do you need the enigne for??

Race/speed go for the 2.5 - weight around 170kg

reliability, fuel economy the opti - weight around 235kg

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Old 26-09-2006, 09:31 PM   #5
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Skiing and goofing
the 2.5l offshore is not a race engine XL shaft more like a workhorse looks a lot more heavy than 170kgs
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Old 26-09-2006, 09:38 PM   #6
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my bad - i thought you meant the 2.5 race ones..

how old is the 2.5 engine? is it an older "blackmax" EFI.?
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Old 26-09-2006, 09:52 PM   #7
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think it must be in around 1993
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Old 26-09-2006, 10:04 PM   #8
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Then the optimax will be much more economical..

however the difference in price must also be taken into account..
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Old 26-09-2006, 10:12 PM   #9
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Cheers Lars T, will have to compare prices and take into account age of offshore engine
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Old 26-09-2006, 10:18 PM   #10
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500 or 1000 or more £ difference in price will buy you lots of fuel
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Old 27-09-2006, 09:51 AM   #11
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do you really want a 25" shaft???
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Old 27-09-2006, 09:55 AM   #12
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ok for porn stars I suppose . . . . . . lol
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Old 27-09-2006, 10:11 AM   #13
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Scott got some boat fuel for you to purchase for the weekend if you interested. long story will bell you later
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Old 27-09-2006, 12:31 PM   #14
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From top of transom to point of deep V is approx 22" deep what shaft length would you recommend, it is a fletcher speedboat used for skiing
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Old 27-09-2006, 12:36 PM   #15
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20"... definately..!
http://boatmad.com/forum/showthread....&threadid=6944
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Old 27-09-2006, 04:31 PM   #16
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Agreed, 25" are for fishing boats.
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Old 27-09-2006, 10:30 PM   #17
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Re: Merc 200hp

Quote:
Originally posted by Wild Thing
Quick question
I have the choice of purchasing a merc 200hp 2.5L Offshore (love the sound of these) or would I be better buying a 200hp optimax, is there much difference in fuel economy and weight?
If it was me I would buy the optimax

The optis are heavier but fuel economy is better. My mate has one on a r21 uses nearly half the fuel and is 5 to 10 mph faster than the a 200xr2 he had on a r20. ok he never had the best set up but you could say the same of both boats.
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