Mercury 300 hp Optimax XS??

[Ktrain]

How come when I go to Mercury website i can not find this motor?? I am tryin' to find out what it weighs??

[ubettcha13]

http://www.mercuryracing.com/product...timax300xs.php
It's in the racing part of the optimax line

[damnitbadger]

Propshaft Rated Horsepower (HP / kW) 300 (224kW)
Full Throttle RPM Range: 5400-5800 (20" models 5400-6100)*
Cylinders V-6 (60 degree vee)
Displacement 193 cu. in. (3160cc)
Bore & Stroke (in) 3.63 (92 mm) x 3.11 (79 mm)
Fuel Induction System 2-Stage Direct Fuel Injection
Ignition System PCM 07 Digital Inductive
Charging System 60-amp (756 watt) w/Voltage Regulator
Gear Ratio 1.62:1, 1.75:1 (SM), (TM) or 1.75:1 (FM)
Lubrication System Electronic Multipoint
Recommended Oil Mercury Premium Plus (TC-W3)
Fuel Requirements 91 Octane Minimum (R+M)/2 (96 RON)
Rotation Right or Left-Hand (FM), (SM) Right-hand (TM)
Shaft Length (inches) 20/25/30
Shaft Length (mm) 508/635/762
Weight (lbs / kg) (L) 505 lbs. (229 kg) (XL) 517 lbs. (235 kg) (XXL) 534 lbs. (242 kg)
Warranty 1 Year



http://www.mercurygovsales.com/produ...p?productID=42

[Ktrain]

thanks that is what i was lookin' for!! i have a fountain 31TE with twin 250's on it now, do you think puttiing twin 300's on it would be to much?? or would it handle it ?? im lookin' to do a repower and i notice that the 250xs and 300xs weigh the same.......so why not go with the 300's right??

[ken2]

Ktrain "would be to much??"

I didn't think it was possible to have too much.

[ubettcha13]

I have seen the 300 promaxes on your hull so it will handle it but the 250xs will run on regular now so why go through the hassle Plus it's new with very few if any info where as the 250 xs has a strong history of reliablity that is proven

[Ktrain]

very true, just doin' my research..........thanks for the information.......i betcha those 300's would have me scootin'!! BUT im leaning towards the 250's .....

[mahimaster1]

Go with the 300's, they get better fuel economy and are a much stronger motor than the 250.

[Ktrain]

how fast do you think the 300's would push her?? right now the 250 efi's get her up to bout 63....

[damnitbadger]

I'm thinking about the 300 on my Aquasport 222 CCP, bet I could run with your Fountain and 250's. LOL

[cnthings]

Plus you can now get 5 yrs warranty on the 250XS. 300 has only 1 yr

[Anthem]

Do the 300XS' come with DTS controls?

[Inspector62]

You will see a SUBSTANTIAL gain in performance with these engines. That 300 hp rating is for insurance companies only. Trust me, it will put out well over that. IMHO the pro XS may just be the best all around engine out there right now.

It is without a doubt the fastest engine out there, and it gets excellent fuel economy, if not the best fuel economy of any 250 or 300 out there.

Just read any outboard shootout out there that has an xs in it. They walk away for performance and fuel economy.

[JKBahama]

Inspector, just installed a pair of 300's on a 34 Venture. took off 275 Verados, much better economy at cruise and better holeshot probably from the weight difference. but almost the same at top end. as of right now these engines are not DTS avalible. JK

[Inspector62]

You're saying top end speed is the same, or top end fuel economy is the same? Which is it? If you're saying top end speed is the same, I'm gonna call BS on that one.

DS will most likely not be available. Remember, this is a race inspired engine.

[JKBahama]

I said almost the same, if 2-2.5 mph at WFO and 2-3-GPH less is a major improvement. then you are correct. JK

[Glen E]

If you are a verado owner and not running the SKA that need the extra 5 mph that any of the opti XS's engines offer, take a test drive first...I was on a pair of 200 opti's a few weeks ago and I was surprised....not saying that are outrageously loud, but after V's, i could not go back even if it was 5-7 mph faster....no to mention the hydraulic steering was archaic, IMO....

[JKBahama]

If the 250 or 300 could make this boat 5-7mph faster than the Verados, maybe I could live with the oil burn and extra noise that come with these engines. the cruise speed and fuel burn at cruise with verados on this Boat would not work with range needed by customer. that was only reason that the change to the XS was done. JK

[Ktrain]

I really don't mind a bit of noise comin' from the engine's...........i kida like it

[Tireless]

Inspector62 - 12/14/2006 10:17 PM


Remember, this is a race inspired engine.

The 300X is a racing engine.....the new 300XS is simply an Opti on steriods.