Merc 250 Xs Info Needed
 

Anybody Have The New 25o Xs Motors That Run On 87 Or 89 Octane ?

Can You Tell Me Any Good Or Bad News On Them .
How They Run At Idail And At Cruise Speed Do They Fouls Plug's Often At Low Speed " No Wake" ?
And Of Course Top End Speeds .
How Much Fuel They Burn On Average .

Thank's For Your Help
Mike

Re: Merc 250 Xs Info Needed
 

I had one on a 22 Velocity CC. It was a great motor, good on fuel and had great manners, it was no problem at low speeds. The new owner of the boat changed the motor to a 250 E-tec and picked up about 4 mph though. The boat ran 62/63 mph with the Merc. We were really amazed at the performance of the Evinrude over the Mercury. Hope this helps.

Cheers,

Andy

Re: Merc 250 Xs Info Needed
 

Speed and fuel burn all depend on the boat you put them on. There is a boat with twin 250xs Opti's in my neighborhhod it is a 30' center console and it runs 80.

Re: Merc 250 Xs Info Needed
 

I have a set of 250xs on my 36 concept. They are awesome motors. I top out at 64mph.

EXCELLENT fuel economy :D

Re: Merc 250 Xs Info Needed
 

Strong, trouble-free and relatively quiet... great power!

Re: Merc 250 Xs Info Needed
 

Thank's For Your Help
Anymore Info On Them Please Let Me Know


Thank's
Mike

Re: Merc 250 Xs Info Needed
 

Any More Info
Thanks

Re: Merc 250 Xs Info Needed
 

Up until last year they needed 92 Octane to run. Merc detuned them a little and they 2005 on now run fine on 89 cotane.

Re: Merc 250 Xs Info Needed
 

is there any test that show's what fuel burn rate is at fuel "5800 rpm" throtle and say cruise" 4500 rpm "
just some type of idea.
what about engine hours how many before rebuild ??

thank's
mike

Re: Merc 250 Xs Info Needed
 

Mike,
Those are good numbers. What boat are those Opti's on?

Russ

Re: Merc 250 Xs Info Needed
 

still looking for boat to put them on .
i hear they will be more reliable then the 300xs and also be able to run on 87 or 89 oct,
thank's

Re: Merc 250 Xs Info Needed
 

ttt

Re: Merc 250 Xs Info Needed
 

Russ, it's a 29' Lightning Powerboats Center Console. These guys also build the race cats like the Hooter boat.

here is a link:
http://www.lightningpowerboats.com/content/view/39/79/

Re: Merc 250 Xs Info Needed
 

Thanks for the reply. These guys are on screamandfly.com , selling their wares. I was a lways curious as to the fit and finish of their product.
They seem to have the performance numbers down.

Re: Merc 250 Xs Info Needed
 

The owner of the company lives in my neighborhood. I did not know this until our neighborhood had a little get together poker run a couple of weeks ago. I ended up at the same table as this boat at the lunch stop and I told him how good his boat looked in the water and it was flying. I was on Driven1's 47 Fountain and we were going 80-85mph and this 29 CC was keeping up with us!!!! That is when I found out he builds them. the boat seems real nice and he can build them simple or plush. That is about all I know.

Re: Merc 250 Xs Info Needed
 

those lightning's look pretty fast with twinn 250xs on the back 80 mph +...not bad for a 29 foot + bracket

Re: Merc 250 Xs Info Needed
 

Mike not 80+ just 80! :drink:

Re: Merc 250 Xs Info Needed
 

still pretty fast for a fish boat with 2 eggbeater's at 29 f.t.

Re: Merc 250 Xs Info Needed
 

The boat if set up right will do a close 90.
The fuel burn on my 250EFI's = 29gal/hr at full throttle per motor & at 45/50mph cruise around 15-18 depending on the water. Actually not bad if you go easy on the Throttles. Have you looked at the E-tecs? Merc will be probaly a couple mph faster but the E-tec has a great warraty & they appear to be holding up.

Re: Merc 250 Xs Info Needed
 

the 250 e-tech sound nice but i herd so many mix reviews on them maybe by the time im ready to buy something they will have the small kink's worked out ..
do you know anybody that has the e-tech with good results?
thanks
mike