Carbs build question

I want to build a 7 petal 2.5 with carbs.
What carbs and jet sizes should I use?
what would I have to do to a 200 block to get 245 hp like

Today, 12:17 PM

Who - Cut and weld yamaha 15 mid

Anyone have a contact for cutting and welding a 90 yamaha mid / 20 inch to 15 .
Thanks
I did ask Cuda for Marty Powell a number but he is

Today, 10:22 AM

Facts about Evinrude/Johnson racing outboards made my OMC

By Lars Strom

Starting with: Paris 6 hours 1973..OMC V6 victory over Team Mercury.

Today, 08:01 AM

breakdown

came in at the end of a rope today. volt meter went from 12, to 11, 10v took 15 min. 2.4 laser. dont know where to begin, if it wast for bad luck i have

Today, 07:48 AM

Post a random photo thread! Add yours!* by123freeze.com.and S&F - www.freezeframevdeo

Post a random photo thread! Add yours!
Post a random pic Thread i will Start Freeze Frame
Add yours
other forum has one of these

Today, 06:51 AM

Latest Trick Powerboats 23 Widebody Photos!

This is such a unique design that works so well with the boat. I really like how the design was incorporated onto the engine as well. I just posted

Yesterday, 09:38 PM

Hydrostream Vandal project

For sale is a 1979 Hydrostream Vandal I picked up to restore, but have decided to dump the funds into a different project. It needs everything, including

Yesterday, 09:33 PM

New Setup – 21 Xtreme with 300 Pro XS

Hey everyone,
New to the boards and just getting started with setting up an outboard on a smaller hull. I’m beginning the journey with a 21 Xtreme

Yesterday, 09:20 PM

Mercury Through The Years...

Yesterday, 09:05 PM

2000 20' WarHawk

2000 WarHawk 20' (19' 6") with Mercury ProMax 3.0l 300hp, engine serial number comes up on Crowel's as a 1998 Race Outboard 300 (PROMAX),
Sportmaster

Yesterday, 06:42 PM

It's been 20 years, time sure flew by

I come across things time to time that remind me of the fun I had and great folks I met here and, on the water.

When I see a video of a boat

Yesterday, 05:40 PM

Glastron Surface drive

I expect quite a few here have seen this photo of a one off CVX 20 Surface drive from back in the 70's.



I know nothing about

Yesterday, 03:52 PM

Post your Favorite Memes Here

I laugh every time I see this.

Yesterday, 03:21 PM

FF block o-ring vs. gasket head

New to this can anyone tell me if there is any performance difference between o ring head and gasket head 2.5 200 FF blocks or any difference in porting/

Yesterday, 03:13 PM

FOR SALE: 1986 Hydrostream Vegas & 300XS on 15" MadEFI midsection w/Sporty

I have received permission from Greg to post this in General Discussion for maximum exposure


FOR SALE: 1986 Hydrostream Vegas &

Yesterday, 11:04 AM