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Merry Christmas Joe!!!! The Promax is running great. Thanks for all your help.

If you’re interested in a channel frame take a look at the one on the Champion boat page. I am currently building this one for my neighbors 198 and working on becoming legal to build for all boats....

Send me a pm.

Call you tomorrow. Thanks Joe!!

Looking for a complete Mercury 300 promax motor. Running or not as long it don't have any holes. Send message. Thanks.

I have a xr-2 150 for $1500. I'm in East Texas. Call me at 903-733-5286 and I can send pics.

Had the same problem. Ended up being the starter. Brush holder had overheated and not letting the brushes make good contact. New starter solved the problem.

Trimming it down?

Thanks Guys for the input.

Just got off the phone with Chris about the stud kit. He said maybe in the near future. Yes I did find a crank. Thanks for asking Gamblinman.

Do you offer a cylinder head stud kit for 3.0L?

Thanks,
R.Barnes

1997 Mercury Promax 300
Serial #0G610372
Who can make repairs to both of the double roller bearing journals? Thanks for any help.


R.Barnes

I had a 94 model with a 150 Mercury. The best I could get with a light load was 57-58 mph. with a full fuel tank, live wells full and two people about 54-55 mph plus you had to get the passenger up...

Hole in hard pipe?

Move the entire board one direction or the other and pick up some good wood.

Replied to PM

From my understanding and research the C11 heads are off of an XB motor. They should all be the same CC's UNLESS someone has had them cut to 300 specs. You in need of some XB heads? I have an extra...

Thank You. Figured that. Just making sure.

When changing from a Mercury motor to an Evinrude motor is the 8 pin plug the same or does it have to be swapped? I have a 94 Pantera 2 with a Mercury and going to pick up a 97 Jag Friday that has an...

Looks like a road trip to St.Louis is in the near future.

In the process of buying this one now. Owner said it would only run about 55 with the 200 on it. I am going to put my 225 efi on it.

Yep!!! Same here.

Need serial # to make sure
225 (3.0L EFI) 0G760300 THRU 0T408999 (MERCURY)


814012T1
REGULATOR KIT, Fuel Pressure

99 Mercury EFI 225 Serial# 0G884920
When I run the motor for the first time over the last several trips the one plane time is great. Started to notice as the day goes on the take off starts getting...

You have a bleeder line getting in the butterfly keeping it open. Been there done that!!!!!!! Trim all the bleeder hose so they are a snug fit from one point to the other.