30 hp to 40-45 hp

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timbeck

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Jul 13, 2011
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Wondering if I can change out 1986 johnson 30 hp carb to a 40-45 hp I have done this on 9.9- 15hp wondering if I can do this to the 30hp.

Thanks Tim
 
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wilde1j

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Apr 15, 2002
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5,964
Re: 30 hp to 40-45 hp

Heck, why stop at 45HP? There's more to this than changing a carb. If you want more HP, buy a bigger motor. While the carb on smaller motors fit, you don't always more more HP, just more fuel used.
 
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Seaclusion1

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Jul 17, 2011
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Re: 30 hp to 40-45 hp

I am new to the forum and just posted a request for info to upgrade my 9.9 2 stroke to 15 hp.... saw that you said you had done this, can you give me some info on what is needed. I was told it was either the reed valve or the carburetor that could be swapped out to do this. Any assistance appreciated.
Ted
 
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tx1961whaler

Vice Admiral
Joined
May 31, 2008
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5,197
Re: 30 hp to 40-45 hp

Swapping the carbs on older ones will work. There are more extensive changes between the two on later models.
 
milliesdad

milliesdad

Petty Officer 2nd Class
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Dec 20, 2010
Messages
168
Re: 30 hp to 40-45 hp

Sell the 30 and buy a 45.

Real easy. Only one part to swap.
 
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