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28-09-2009, 09:19 AM
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#1
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Ringle@der
Country: England
Location: Uckfield, East Sussex.
Interests: Water Ski Racing.
Boat name: Both called ‘Irresistible’.
Boat make: Bernico F1 Twin, Monterey 265SC.
Engines: 2 x Mercury 300XS's, Yanmar 315.
Cruising area: South and east coasts. Eastbourne Marina.
Join Date: Mar 2006
Location: Uckfield, East Sussex.
Posts: 758
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Chips Anyone?
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Irresistible Water Ski Racing Team
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28-09-2009, 10:41 AM
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#2
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Registered User
Country: Guernsey
Occupation: Postie
Interests: Heavy Heavy Metal
Boat name: Slayer II, Slayer, Pen15
Boat make: Phantom 19G-R, Bernico F2 Extreme, Ring 15
Engines: Evinrude 115HO, Yam 90
Cruising area: Channel Islands
Join Date: Aug 2009
Posts: 1,460
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Don't they just fool the ecu into running leaner?
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28-09-2009, 02:07 PM
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#3
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Registered User
Join Date: Apr 2004
Posts: 184
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It's a variable potentiometer in a fancy box which is then spliced into the engines wiring harness. Sometimes they're spliced into the engines load reference, some are spliced into the coolant temp sensor. A bad bodge whichever way it's done.
The later Mercruiser ECU's can be re-programmed properly without the need for any piggyback rubbish.
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28-09-2009, 08:21 PM
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#4
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Registered User
Country: England
Location: West Sussex
Occupation: IT Manager
Boat make: Phantom 21, Plancraft Seaflite
Engines: Merc V6, mercruiser V8
Cruising area: Littlehampton, Fowey
Join Date: Aug 2004
Location: West Sussex
Posts: 116
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Also those boxes are designed to richen the mixture on weak fuelled 4 strokes, this is done on modern cars to leave a bit of oxygen remaining for the cat to work. If you go over rich on the mixture on a 2 stroke outboard. you are going to reduce it's power.
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09-10-2009, 11:23 PM
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#5
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hello
Join Date: Mar 2004
Posts: 2,739
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Quote:
Originally Posted by marshan162
If you go over rich on the mixture on a 2 stroke outboard. you are going to reduce it's power.
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09-10-2009, 11:27 PM
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#6
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Registered User
Country: United kingdom
Location: West Sussex
Occupation: Grease Monkey
Interests: Makin my boat faster!
Boat name: S.B Racing
Boat make: Ocke mannerfelt canopied B23 / Zapcat
Engines: Merc 200XS Gen 2 / Tohatsu 50
Cruising area: littlehampton/Southampton
Join Date: Jan 2005
Location: West Sussex
Posts: 2,656
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__________________
Class 3C Mono EPA National speed record holder 95.35 mph Avg!
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09-10-2009, 11:27 PM
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#7
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Registered User
Country: England
Location: South West
Occupation: Development engineer
Interests: Fast boats
Boat name: Xtreme
Boat make: Bernico 21
Engines: Mercury F1, 300 Drag, XR2 "Fingerported"
Cruising area: South West
Join Date: Mar 2004
Location: South West
Posts: 1,043
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Wtf
Miller you are off your head!!!!
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