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Mercury 135hp v6 2 stroke 98

S

Senoj11

New member
Hi everyone

does anyone know what it takes to change a 135hp to a 175hp, and roughly the expense. heard that it doesn't take much and would love to get a little more out of my boat.

cheers :)
 
It takes a lot and not cheap... The block would need to be torn down, exhaust ports raised to 175 specs, finger ports added, new finger ported pistons, add 175 carbs and change gear ratio.
 
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