300x

**mercnut** · 09-10-2018, 03:19 PM

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300x on a Mariner 20" offshore mid.
Motor is just out of break-in. It was built by Todd at mad efi.
All new pistons, rings, bearings. Fully balanced. Mild porting. Very strong

Lower unit is new from Mercury with only 6 hours on it.
Has hydro-tech tunner and carbon fiber Reeds, exhaust has also been relived in the back of the mid.
This is a clean, very strong, and good sounding motor.
14,000
Thanks
Bryan
501-786-1977

**JWS** · 09-12-2018, 05:46 AM

what year?

**johnmiffco** · 09-12-2018, 01:52 PM

what yr is that black block,,,
was a 3.0 ported to x specs,,,,

**mercnut** · 09-12-2018, 02:27 PM

The cowling and mid are 98
The lower unit is 2018
The power head (except block) is 2003
The block started off as a 250 3.0l
I do not know what year but I will call Todd and find out.
It was ported to 300x specs and then he did some of his enhancements.
It was balanced and bored .010 on all 6, new Mercury pistons, rings and bearings. The motor is extremely strong.