Bigger Motor Size on a Rib

gmata007

Cadet
Joined
Nov 2, 2008
Messages
17
Hello guys i am about to buy my first boat a 14' Inflatable that i want to take to Baja Mexico.

I've been searching for days a motor for this boat. The max capacity is 40 HP according to the boat manufacturer.

I found a really really nice clean Johnson commercial series 45 HP motor for a really low price.

What would be the problem of adding a motor 5 Hp bigger than the Max?

I am not worry about cost guard or insurance since this boat is going live in mexico forever.

Gonzalo
 

lester

Petty Officer 3rd Class
Joined
Sep 23, 2008
Messages
92
Re: Bigger Motor Size on a Rib

I wouldn't worry too much about it if you are going to be in Mexico. If the motor is a two stroke, its lighter than a 40hp four stroke anyways...which is what you boat is rated to hold. Have fun.
 

ron7000

Banned
Joined
Jul 10, 2004
Messages
498
Re: Bigger Motor Size on a Rib

you really want to find out how much motor weight the boat can hold,
if it's max is 40hp then a merc 4-stroke 40hp dry weight is 216 lbs.
A yamaha 50hp 2-stroke is only 189 lbs, and the 70hp is 228 lbs. so the question is not whether 5 more hp is a problem, is 8 more lbs a problem.
 
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