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Old 27 April 2006, 13:52   #1
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Country: UK - England
Town: STOKE
Boat name: Humma
Make: Humber Destoyer 5.5
Length: 5m +
Engine: Out b 75 hp Marriner
MMSI: 235068231
Join Date: Sep 2005
Posts: 229
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Fitting a engine

Hi
My engine on my 4 metre Narwhal rib,recently failed and have purchased a second hand 40hp Mariner engine via e bay,fitting this engine i noticed that my old yammah engine 40hp,was about 3 inches out of centre towards starboard side it seem to cope with well,should i fit the mariner engine in the same place or try an fit in centre of the rib,any advice would be welcome
Thanls stul
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Old 27 April 2006, 14:13   #2
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Country: USA
Town: boston
Boat name: Miss bad 61
Make: Crapko, AKA Mako
Length: 5m +
Engine: OMC Mod50
Join Date: Apr 2006
Posts: 398
they are some times off set of center cuz ribs are narrow, by off seting it compansates for the torque, so the hull dose not lean to the left when you got your Foot in it,
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Old 27 April 2006, 14:17   #3
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Country: USA
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Boat name: Miss bad 61
Make: Crapko, AKA Mako
Length: 5m +
Engine: OMC Mod50
Join Date: Apr 2006
Posts: 398
the Maranator Should have more foot lbs of torque than the yamahaller,
thinkin that your new power is a 40hp 52ci or a 59ci, the yama beina 40hp 42ci.
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Old 27 April 2006, 16:27   #4
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Country: UK - England
Town: STOKE
Boat name: Humma
Make: Humber Destoyer 5.5
Length: 5m +
Engine: Out b 75 hp Marriner
MMSI: 235068231
Join Date: Sep 2005
Posts: 229
RIBase
Quote:
Originally Posted by fast fred
the Maranator Should have more foot lbs of torque than the yamahaller,
thinkin that your new power is a 40hp 52ci or a 59ci, the yama beina 40hp 42ci.
Thanks
For info that was very enlightening
stul
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