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Old 18 March 2012, 22:22   #11
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Country: USA
Town: Oakland CA
Length: 3m +
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Year and model? Should be fairly easy to find online.

jky
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Old 18 March 2012, 22:44   #12
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Country: New Zealand
Town: Auckland
Boat name: GUN-IT
Make: Redknight
Length: 4m +
Engine: 40hp outboard
Join Date: Mar 2012
Posts: 18
Quote:
Originally Posted by jyasaki View Post
Year and model? Should be fairly easy to find online.

jky
It's a 1992 40hp 4cyl mercury doesn't seem to have a model number...
I've had a good look online and haven't found anything conclusive.
Most outboards about that size seem to have max revs of 5500 ish?
It's probably quite conservative, I'm used to running 10,000+ revs on my paramotor, but that's what it's designed to do!
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Old 19 March 2012, 12:11   #13
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Lots of models to choose from, apparently (these are all listed as 1992 4-stroke 4-cyl models for US consumption):

40 1992 ELHPTO D082000 - D181999
40 1992 EO D082000 - D181999
40 1992 ELPTO BEL 9682745 - ??
40 1992 ELO D082000 - D181999
40 1992 MH D082000 - D181999
40 1992 ELPTO D082000 - D181999
40 1992 MLH D082000 - D181999


Still poking around to see what info I can find.

2-stroke 40 spec, 1992:
Manufacturer: Mercury
Year: 1992
Horsepower: 40.0
Cylinders: 4
Type: 2 stroke
Gear Ratio: 2.00:1
Min WOT RPM: 5000
Max WOT RPM: 5500
Spline Count: 13
Drive Type: Outboard



Re: 4-stroke: saw a post where someone said to prop it to 5800 lightly loaded, so it sounds to me like it may be 5500 max. Lots of people lauding the motor.

About all I can find right now.

jky
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