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Old 15-07-2013, 06:23 PM   #1
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Country: England
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outboard needed.

looking for a 200-300hp outboard. either yamaha, mercury or honda. i am willing to spend up to £3000. my current engine is annoying me so have decided to get rid of it and get a new one. also how much would a 1990 mercury blackmax be worth? (please note that it cuts off after about 20 mins) sounds fuel related but had enough.
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Old 15-07-2013, 06:40 PM   #2
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Country: UK
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1500-2k I guess if nothing major is wrong with it / depending on condition.

Might wanna beef up your transom if you put a much heavier lump on it. Just a suggestion cos based on experience, the R21C does not have transom knees...
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Old 15-07-2013, 06:44 PM   #3
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Country: England
Location: Maidenhead
Interests: Quad Biking and Boating
Boat name: AQUAHOLIC - Privateer
Boat make: Ring 21C - Marshan 21
Engines: Mercury 200
Cruising area: Poole

Join Date: Jul 2012
Location: Maidenhead
Posts: 110
Quote:
Originally Posted by The Docta View Post
1500-2k I guess if nothing major is wrong with it / depending on condition.

Might wanna beef up your transom if you put a much heavier lump on it. Just a suggestion cos based on experience, the R21C does not have transom knees...
i was looking at a 225-250 engine
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Old 15-07-2013, 11:48 PM   #4
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Country: Ireland
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Boat make: Hydrostream V-king, 650SS OCR ,Ring 21, Ring 18, Phantom 18.
Engines: 300Hp Mercury 2.4, 130 Yamaha, Bridgeport EFI, XR6, Merc 200.
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Have you tried changing the stator? Doubt it's fuel sounds like ignition is breaking down after its warmed up.
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Old 16-07-2013, 07:23 AM   #5
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Country: England
Location: Maidenhead
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Boat name: AQUAHOLIC - Privateer
Boat make: Ring 21C - Marshan 21
Engines: Mercury 200
Cruising area: Poole

Join Date: Jul 2012
Location: Maidenhead
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I have changed the stator, fuel pump and air filter and still no difference. Running out of options so getting rid.
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Old 16-07-2013, 10:16 AM   #6
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Country: england
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Might be a silly question but are you pre mixing fuel and 2 stroke ?
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Old 16-07-2013, 11:17 AM   #7
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Air filter??
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Old 16-07-2013, 12:06 PM   #8
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Country: UK
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I know it's not what was originally asked for, but got a Yam 90 long shaft available, (with a box of spare bits)
sensible offers above the £1500 mark

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Old 16-07-2013, 12:37 PM   #9
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Country: England
Location: Maidenhead
Interests: Quad Biking and Boating
Boat name: AQUAHOLIC - Privateer
Boat make: Ring 21C - Marshan 21
Engines: Mercury 200
Cruising area: Poole

Join Date: Jul 2012
Location: Maidenhead
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I pre-mix the 2 stroke at 50 to 1. I have changed the air filter and made no difference. Also, I would like a minimum of a 175 hp.
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Old 16-07-2013, 02:15 PM   #10
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Country: england
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I'm not sure what the pre mix ratio is but at different rpm you can be running to rich or to lean I was going to pre mix my merc 200 but got told this so I've left it I would say most of the older mercs that people pre mix over heat. There's a merc optimax 200 on boatsandoutboards for sale or post your wanted advert in the forsale section on here I'm sure you'll find something
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Old 16-07-2013, 03:55 PM   #11
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Country: England
Location: Maidenhead
Interests: Quad Biking and Boating
Boat name: AQUAHOLIC - Privateer
Boat make: Ring 21C - Marshan 21
Engines: Mercury 200
Cruising area: Poole

Join Date: Jul 2012
Location: Maidenhead
Posts: 110
There is a 2002 ish merc optimax outboard for sale. What is your opinion on these and are they any good,
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Old 16-07-2013, 04:24 PM   #12
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Quote:
Originally Posted by Boatman225 View Post
There is a 2002 ish merc optimax outboard for sale. What is your opinion on these and are they any good,
I had a 200hp Opti on the back of a R21c a few summers back. I thought it made a really good combination for pleasure use - quiet running on tick over, great fuel economy, and bags of torque, never struggled to get on the plane and would do a genuine 50 knots 4 up with all our beach gear (58 knots was the fastest I saw IIRC). The boat was anti-fouled and a pleasure set up with full seats/cusions.

Cant comment on the condition of the engine on B&O but I would recommend the model for sure.

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Old 16-07-2013, 05:02 PM   #13
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Country: In the UK, in an offfice, looking out the window at the rain.
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Engines: Opti 200
Cruising area: Lyme Bay

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Quote:
Originally Posted by andy21 View Post
I had a 200hp Opti on the back of a R21c a few summers back. I thought it made a really good combination for pleasure use - quiet running on tick over, great fuel economy, and bags of torque, never struggled to get on the plane and would do a genuine 50 knots 4 up with all our beach gear (58 knots was the fastest I saw IIRC). The boat was anti-fouled and a pleasure set up with full seats/cusions.

Cant comment on the condition of the engine on B&O but I would recommend the model for sure.

Andy
I have an R21c with a 200Opti running a 23 laser II. pretty much as stated above, it goes very well although the centre of gravity moved a lot further back (since i changed from a Black Max) which makes me look like a complete amateur when trying to reverse.

Other thing that happened was fuel consumption was halved - which didn't actually save me anythign as it just meant I went twice as far!

THE BIGGEST PROBLEM I have with the Optimax/R21C is running the control cables. The hole in the rear of the deck has to be huge to get any sort of trim and tilt and any turning angles on the engine without fouling/damaging the cables.
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Old 16-07-2013, 05:04 PM   #14
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Country: England
Location: Maidenhead
Interests: Quad Biking and Boating
Boat name: AQUAHOLIC - Privateer
Boat make: Ring 21C - Marshan 21
Engines: Mercury 200
Cruising area: Poole

Join Date: Jul 2012
Location: Maidenhead
Posts: 110
Quote:
Originally Posted by DoubleSix View Post
I have an R21c with a 200Opti running a 23 laser II. pretty much as stated above, it goes very well although the centre of gravity moved a lot further back (since i changed from a Black Max) which makes me look like a complete amateur when trying to reverse.

Other thing that happened was fuel consumption was halved - which didn't actually save me anythign as it just meant I went twice as far!

THE BIGGEST PROBLEM I have with the Optimax/R21C is running the control cables. The hole in the rear of the deck has to be huge to get any sort of trim and tilt and any turning angles on the engine without fouling/damaging the cables.
Fuel is of no issue to me or the reversing but all that matters to me is the speed and how quickly it gets up onto the plane and also the reliability of the engine.
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Old 16-07-2013, 07:01 PM   #15
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Country: uk
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This looks pretty good & a nice
price

http://www.boatsandoutboards.co.uk/o...-2003-PAA67580
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Old 16-07-2013, 07:06 PM   #16
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Country: England
Location: Maidenhead
Interests: Quad Biking and Boating
Boat name: AQUAHOLIC - Privateer
Boat make: Ring 21C - Marshan 21
Engines: Mercury 200
Cruising area: Poole

Join Date: Jul 2012
Location: Maidenhead
Posts: 110
Quote:
Originally Posted by drew View Post
This looks pretty good & a nice
price

http://www.boatsandoutboards.co.uk/o...-2003-PAA67580
already seen that one. need to sell my engine first as i dont want an engine lying around the garage
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Old 17-07-2013, 09:21 AM   #17
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Country: In the UK, in an offfice, looking out the window at the rain.
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Boat name: DoubleSix
Boat make: Ring 21c
Engines: Opti 200
Cruising area: Lyme Bay

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Quote:
Originally Posted by Boatman225 View Post
already seen that one. need to sell my engine first as i dont want an engine lying around the garage
Also, note that one isn't an Optimax. its a 2.5.
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Old 17-07-2013, 03:55 PM   #18
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Country: England
Location: Maidenhead
Interests: Quad Biking and Boating
Boat name: AQUAHOLIC - Privateer
Boat make: Ring 21C - Marshan 21
Engines: Mercury 200
Cruising area: Poole

Join Date: Jul 2012
Location: Maidenhead
Posts: 110
i am considering this one http://www.boatsandoutboards.co.uk/o...max-225-BEM645 anyone have an opinion on these?
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Old 17-07-2013, 04:49 PM   #19
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Country: UK
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Quote:
Originally Posted by Boatman225 View Post
i am considering this one http://www.boatsandoutboards.co.uk/o...max-225-BEM645 anyone have an opinion on these?
Wrong shaft length, you need an "L"
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Old 17-07-2013, 04:51 PM   #20
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Country: England
Location: Maidenhead
Interests: Quad Biking and Boating
Boat name: AQUAHOLIC - Privateer
Boat make: Ring 21C - Marshan 21
Engines: Mercury 200
Cruising area: Poole

Join Date: Jul 2012
Location: Maidenhead
Posts: 110
Quote:
Originally Posted by Marinautic View Post
Wrong shaft length, you need an "L"
what do you mean by 'wrong' shaft length
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