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Old 19-11-2005, 01:23 AM   #1
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Merc 'Black Max' 150

Evening All.

Just had a good poke around the forums, but I couldn't find anything so I thought I'd ask the experts:

Mercury Xr2 'Black Max' (150 horsepower) from about 1990 or so. What are your opinions guys? Good engine, or avoid at all costs?
And if it is worth a look, what are the things to keep an eye out for?
I'm a decent DIY mechanic with a lot of 2-Stroke experience on karts and bikes, but marine engines are new to me. I've heard they run a bit hot, but not much else other than that.

Any advice would be very welcome.

Cheers!
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Old 19-11-2005, 10:05 AM   #2
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Country: UK
Location: Weston-super-Mare
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Boat make: Sunseeker Thunderhawk 43
Engines: Mercruiser 502s
Cruising area: Lyme Bay

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Ran one of these XR2 150s on the back of a Phantom 18 for 4/5 years & found it to be an excellent engine.

The engine itself is a relatively straight forward design, was reliable & pretty good on fuel.

The only problem I had was the engine mounts which had to be replaced.

Never experienced any overheating problems.

Like all marine engines they just need looking after.
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Old 19-11-2005, 10:34 AM   #3
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Country: uk
Location: brighton
Occupation: CABINET MAKER
Interests: SPEED BOATS,MOTO G.P
Boat name: MOTIVATION
Boat make: MARSHAN 21
Engines: AINT GOT ONE!!
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whats speeds were you getting?
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Old 19-11-2005, 11:18 AM   #4
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Just over 60mph using a 23p Laser 2
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Old 19-11-2005, 11:33 AM   #5
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Boat name: T/T D2S
Boat make: Midas 27' Cat, Argo 16 Cat. Avon Rib Thingy
Engines: Merc 280-ROS -JSRE,65Xs, 75 Stinger, Yam 60
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Simple , easy to work on & set up cheap parts (well sort of)
I like it though dated in design it was the base for other models that followed with FI, EFI, BCCI, MFI & B&Q ...............
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Old 19-11-2005, 11:53 AM   #6
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Country: uk
Location: brighton
Occupation: CABINET MAKER
Interests: SPEED BOATS,MOTO G.P
Boat name: MOTIVATION
Boat make: MARSHAN 21
Engines: AINT GOT ONE!!
Cruising area: sea

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what sort of money are you looking at for a good one,did they do a 200hp as well?
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Old 19-11-2005, 09:24 PM   #7
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Country: England
Location: Hertfordshire
Occupation: Airline Operations.
Interests: Rum. Pirates. And West Cornwall pasties.
Boat name: Any suggestions?
Boat make: Ring 18
Engines: Mercury 200 Black Max
Cruising area: The Bay of 'E'

Join Date: Sep 2005
Location: Hertfordshire
Posts: 369
Yep. Simple and fairly grunty. That'll do for me! This one's attached to a 16ft Ring, so it should be nippy enough for a bit of fun.
The overheating problems I read about were (On closer inspection) found on a U.S. website, so perhaps the American spec units have some unique problems (Or they just can't be bothered to flush the thing out with muffs after use).

It seemks as long as I go for something well known (Merc, Johnnie, Tohatsu, Yamaha, etc) I won't go far wrong.

Just need to avoid 'Force' and the like, or any of those units with the blue and white vertical striped cowling and the graphic 'Tesco Value outboard' on the side
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Old 19-11-2005, 09:50 PM   #8
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I'd leave jonnie alone as well.
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Old 19-11-2005, 11:24 PM   #9
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Country: England
Location: Hertfordshire
Occupation: Airline Operations.
Interests: Rum. Pirates. And West Cornwall pasties.
Boat name: Any suggestions?
Boat make: Ring 18
Engines: Mercury 200 Black Max
Cruising area: The Bay of 'E'

Join Date: Sep 2005
Location: Hertfordshire
Posts: 369
Yeah, I think I'll be sticking with the 2 strokes to be honest.

Johnson? Nah. I'll be an Evin-'Rude Bwoi'

Off to have a look at it soon, so we'll see what happens.
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