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Old 06 March 2004, 07:15   #1
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Country: UK - England
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Humber Extreme 6.3M & Evinrude 115 FICHT 2 Stroke

Has anybody got any knowledge or experience of this Rib and Engine. I would welcome any coments to help me make up my mind if to buy or not. I have seen the report in Motot Boat Monthly.
I understand that the engine had some problems when first launched


Roy
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Old 06 March 2004, 08:30   #2
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If it looks like this one, a humber 6.2 with 115 ficht engine then it is the same or similar to rigid lion (rigid loin!) The army had 2 of them to do the round Britain thing a couple of years ago. I drove one of them (not on that event sadly) Was a very nice boat.
Very sturdy, sea kindly, the engine was quite frugal too if i remember rightly.
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Old 06 March 2004, 12:09   #3
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115 ficht

i think there is an article in rib international re this subject
something to do with not enough memory in the computer management system
tim griffin
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Old 06 March 2004, 12:21   #4
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I thought it was a bit more serious than that??

As I understand from heresay, the quality of machining of certain early engines was to 1970's British Leyland standard, and when Bombadier bought the bust OMC, they allegedly sorted out all the QC issues.

I'm sure that others will be able to give a more comprehensive answer.
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Old 06 March 2004, 16:30   #5
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The "rigid lion" boats were Ocean Pros and the 6.3 is a very nice boat. The "Extreme" is same hull but has tapered tubes towards the bow which you might find give a bit of a wetter ride than a true Ocean Pro which has full diameter tubes throughout.
Is it a white hull with white tubes?
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Old 06 March 2004, 16:46   #6
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The rib I am looking at has white and blue tubes and a white hull
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Old 06 March 2004, 17:56   #7
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Ficht

Roy the early Ficht had some issues, Then with modfications Ficht Ram appeared, and very reliable.We run a pair of Ficht Ram 75, they look physically similar to the 115 apart from a different gear box, between the two motors they have notched up 860 trouble free hours, 2001 models.The 115 revs higher than our units appart from lower end mods, and different rev range, again physically, they are hard to tell apart.It is important to run the proper Evinrude injection oil Ram Ficht oil, with a carb x additive to keep the injectors free of varnish.They recommend periodic de carbs with an aersol spray in additive, we have done it once.Jets Marvient in the UK supply you with plugs and spares, the plugs in the Fichts must be indexed, this is easy to do however they are pricey 19.60 euro each Champions xc12pepb, they are available from the US 5 dollars apiece, via mail.www.zincsmart.com have all the replacement anodes at a fraction of the Jets Marvient price, also in the UK.You will be amazed at the fuel consumption we can run 2x75 Fichts and get 1.25 nm per l of fuel for the two of them.They take a lot of cranking amps to turn over and start, turn on ignition, wait 8 10 secs and then start them, fuel injection has primed by then.If you want to be sure if its a RAM look beside a spark plug and you will see a small allen head stud this is the injector, deflector modification and hence a Ficht Ram model.
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Old 06 March 2004, 18:09   #8
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Gavin

Thank you for that .The engine was Manufactured in 2002. I will check for the stud near the plug.

Roy
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Old 06 March 2004, 18:57   #9
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The ridgid lion boats had massive problems with the underdeck fuel tanks, in that they split open and poured 150 litres of fuel into the back of the boat which was pumped out by the bilge pump.

Both boats made most of the trip on a plastic under seat tank.

Since then Humber has stopped fitting underdeck fuel tanks unless they incorporate a giant access hatch so that the tank can be removed easily. Just somethign to think about. Humber obviously found it common enough to stop fitting them.

That could all be useless, does the boat your looking at have under deck fuel tanks?
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Old 07 March 2004, 12:32   #10
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Underdeck fuel tanks

Uuhhh...a RIB manufacturer that can't install underdeck fuel tanks without problems?? Yet another company to avoid when thinking a new RIB. Anyway, a good point is that they understand the lack of engineering and boatbuilding skills in their RIBs, but can this be really true??
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