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Old 19 August 2008, 16:58   #1
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Country: USA
Town: colorado
Boat name: Inky
Make: zodiac
Length: 7m +
Engine: outboard
Join Date: Aug 2008
Posts: 2
Motor conversion

Hello,

I keep my boat at Jackson Lake Colorado.

It needs more power to pull water skiers.

I purchased the boat used. I has a Brigg and Stratton motor.

Local boaters said I can get more horsepower by changing the carburetor but they want a lot of dollars.

One neighbor boater said I should buy his Tohatsu 4 hp. Another friend said 4hp is to little but, he could hop it up in horsepower with a kit.

Is it safe to buy the motor and have him work on it.

Thank you,

Aaron
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Old 19 August 2008, 17:05   #2
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
Engine: Opti 225/Yam 85
MMSI: 235090687/235055163
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Quote:
Originally Posted by Aaron View Post
Hello,

I keep my boat at Jackson Lake Colorado.

It needs more power to pull water skiers.

I purchased the boat used. I has a Brigg and Stratton motor.

Local boaters said I can get more horsepower by changing the carburetor but they want a lot of dollars.

One neighbor boater said I should buy his Tohatsu 4 hp. Another friend said 4hp is to little but, he could hop it up in horsepower with a kit.

Is it safe to buy the motor and have him work on it.

Thank you,

Aaron

Welcome to RibNet.

What's the boat? It sounds like you need to think again about pulling skiers-a 4hp won't do it however much you play with it.
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Old 19 August 2008, 19:54   #3
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Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider Boats
Length: 4m +
Engine: Tohatsu 18 /30 HP
Join Date: Sep 2007
Posts: 1,706
Quote:
Originally Posted by Aaron View Post
Hello,

I keep my boat at Jackson Lake Colorado.

It needs more power to pull water skiers.

I purchased the boat used. I has a Brigg and Stratton motor.

Local boaters said I can get more horsepower by changing the carburetor but they want a lot of dollars.

One neighbor boater said I should buy his Tohatsu 4 hp. Another friend said 4hp is to little but, he could hop it up in horsepower with a kit.

Is it safe to buy the motor and have him work on it.

Thank you,

Aaron
Welcome too

Seems you missed completely the sky fun by 36 HP, buy yourself a nice 40 HP instead and use the Briggs & Stratton as an anchor. "Thumbs Up"

Happy Ribbing
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Old 19 August 2008, 20:04   #4
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Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,298
Quote:
Originally Posted by Aaron View Post
.... I has a Brigg and Stratton motor.....
I has one of them too - on my mower.
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Old 20 August 2008, 00:55   #5
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Country: Canada
Town: British Columbia
Make: Gemini
Length: 4m +
Engine: 40hp 2 str
Join Date: Oct 2003
Posts: 2,151
Your pushing a zodiac that is over 23 feet (+ 7 m) long with a 4 hp lawn mower motor???
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Old 20 August 2008, 11:07   #6
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Country: USA
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Troll post? Dunno. Not too many 7 meter RIBs in the US; certainly none that I know of equipped with a 4hp B&S outboard (yes, they do exist.)

I'm thinking the boat is more like 7 feet, rather than meters. 4hp would be just about right for that size. But not pulling a skier.

jky
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Old 20 August 2008, 11:55   #7
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Country: Germany
Town: Germany/Texas
Boat name: wicked weasel
Make: 3.6m Metzeler Maya S
Length: 3m +
Engine: 6hp
Join Date: Jul 2008
Posts: 50
Quote:
Originally Posted by Aaron View Post
Hello,

I keep my boat at Jackson Lake Colorado.

It needs more power to pull water skiers.

I purchased the boat used. I has a Brigg and Stratton motor.

Local boaters said I can get more horsepower by changing the carburetor but they want a lot of dollars.

One neighbor boater said I should buy his Tohatsu 4 hp. Another friend said 4hp is to little but, he could hop it up in horsepower with a kit.

Is it safe to buy the motor and have him work on it.

Thank you,

Aaron
Pulling Skier with a B&S, or a 4HP motor, is kinda like wishing you could pull a loaded semi trailer with a old VW Beetle.

You have your boat listed as a 7meter, that is close to 23feet. The Brigg & Stratton motor is a cheap trolling motor at best, it will never be anything but that. The Tohatsu is a nice little motor but on a 23foot boat it is not much more than a lazy cruiser for calm water.

I have a 6hp on my 12foot SIB, which I would guess weighs but a fraction of your boat, and use it on a River. Upstream it gets the job done, but will never plane out even with nothing on board, much less pull a skier, unless you were thinking about something like this (see below).

Downstream it is faster, but I still think it is a dog.

Are you sure you meant what you wrote. If you are, I think you need some new boating friends to ask for advice.

If this is the case and you are serious, you came to the right place.

Welcome to RIBnet!
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Old 21 August 2008, 19:22   #8
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Country: USA
Town: colorado
Boat name: Inky
Make: zodiac
Length: 7m +
Engine: outboard
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Posts: 2
Thank you everyone for your help. Perhaps I should ask other boaters.

The person who sold me the boat mislead me. Does a Briggs and Stratton have any value. And where might I find a buyer and how much should I ask?

My wife wants me to buy a boat that has a 350 hp (I think the model of the engine is Mercury) would that be correct? I am a bit leery because I thought that engine was only for a car.

Thank you for any help.

Aaron
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Old 21 August 2008, 21:14   #9
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
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MMSI: 235090687/235055163
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Quote:
Originally Posted by Aaron View Post
Thank you everyone for your help. Perhaps I should ask other boaters.

The person who sold me the boat mislead me. Does a Briggs and Stratton have any value. And where might I find a buyer and how much should I ask?
Very little value.

Quote:
Originally Posted by Aaron View Post
My wife wants me to buy a boat that has a 350 hp (I think the model of the engine is Mercury) would that be correct? I am a bit leery because I thought that engine was only for a car.

Thank you for any help.

Aaron
No insult intended here Aaron but you sound a bit green to all this. Go and get some training,have a chat with an instructor and then think about what you want to buy. It'll cost you a lot less in the long run.
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Old 21 August 2008, 22:27   #10
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Country: Canada
Town: Kamloops
Make: Quicksilver
Length: 3m +
Engine: 25 HP Outboard
Join Date: Jul 2008
Posts: 5
I sense a troll. A bored guy just toying with us here. To go from 4 HP to 350 HP! Come on...
A 350 HP engine could quite easily rim the water skier's arms right off, while leaving his swim shorts behind. Good luck!
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