Offshoreonly.com

Offshoreonly.com (https://www.offshoreonly.com/forums/)
-   General Q & A (https://www.offshoreonly.com/forums/general-q-20/)
-   -   HELP !!! My Merc 525 EFIs are over revving !!! (https://www.offshoreonly.com/forums/general-q/373223-help-my-merc-525-efis-over-revving.html)

Barryama1124 09-06-2021 09:58 PM

https://cimg4.ibsrv.net/gimg/www.off...c536b73be.jpeg
This puppy is like new 😁 next year hopefully I’ll have time to go glass cockpit and new power plants….woot woot lol

F-2 Speedy 09-07-2021 07:19 AM

that interior turned out real nice

Barryama1124 09-07-2021 08:09 AM


Originally Posted by F-2 Speedy (Post 4804557)
that interior turned out real nice

Yes I have to admit, the quality of the material
and workmanship far exceeds anything close to factory. This girls an Ace and the attention to detail is mind boggling 😎

jeff32 09-07-2021 04:52 PM


Originally Posted by Barryama1124 (Post 4804573)
Yes I have to admit, the quality of the material
and workmanship far exceeds anything close to factory. This girls an Ace and the attention to detail is mind boggling 😎

what shop did you use to do your interior ?

Barryama1124 09-07-2021 04:54 PM


Originally Posted by F-2 Speedy (Post 4804431)
1. OE style rocker arms 250-400 per engine
2. push rods 150-200 per engine
3. valve springs 200-400 per engine

#4 which you should of done IMO is lifters 400-600 per engine

BTW push rods are in the heads. there the long round skinny things that make the valves go up and down......:sport009:

🤣😂🤣😂 I missed this reply thx for making me laugh, I needed that after the headaches I’ve been dealing with all summer lol

Everything was in fact changed, I left out the lifters by accident 🙄

Thank you again!

BTW I have my old Transom Assemblies, changed them only because I wanted new, there in perfectly good condition. Is there a market for these?

Have an awesome evening 😎

Barryama1124 09-07-2021 09:32 PM


Originally Posted by jeff32 (Post 4804667)
what shop did you use to do your interior ?

It’s a girl here in Quebec that used to work for one of the most reputable performance shops “Marine Extreme” I guess they had a falling out and she went on her own. She doesn’t have an actual company set up, works from her house. She removed everything and reinstalled everything once it was complete. She even shellacked the wood base to insure no moisture would get in. She changed everything, cup holders, step pads name it. Just an outstanding job

Unlimited jd 09-07-2021 09:52 PM


Originally Posted by Barryama1124 (Post 4804692)
It’s a girl here in Quebec that used to work for one of the most reputable performance shops “Marine Extreme” I guess they had a falling out and she went on her own. She doesn’t have an actual company set up, works from her house. She removed everything and reinstalled everything once it was complete. She even shellacked the wood base to insure no moisture would get in. She changed everything, cup holders, step pads name it. Just an outstanding job

very impressive work from the pictures. Hope she keeps at it

Barryama1124 09-08-2021 07:49 AM


Originally Posted by Unlimited jd (Post 4804697)
very impressive work from the pictures. Hope she keeps at it

hey JD, it’s all she knows lol she’s going nowhere. She’ll be doing the benches in my cuddy over the winter along with the interior of my brothers 26 Baja. His boat is also in mint condition but he wants to update the interior 😎

Have a terrific day 😁

Bill0818 09-13-2021 11:31 AM

Your running stronger now because of the work. Be happy. Pitch up 1" on the prop will bring down you back to 5200rpm and pick up 2 to 3 mph.

Bill C

Barryama1124 09-14-2021 02:09 PM


Originally Posted by underpsi68 (Post 4804331)
What was the gps speed before and after?

Are you running the same mph as before or is it faster now? Sounds like the engines might have been tired.

OK so I took the boat out for a quick run and it is indeed exceeding the 5200rpm max I was only able to hit prior to the the overall/renos I did to the boat. The max speed I was able to hit at 5400rpm was 80mph. Prior to this, I've hit 86mph granted that was with a lot less fuel in the tank cuz this run had full tanks so the extra 1200 lbs would obviously play a roll here. I could have pushed the rpms past 5400 rpm cuz I still had throttle left but didn't wanna push them too hard out of the gate.

I'm thinking new props is going to be the answer


All times are GMT -5. The time now is 02:41 PM.


Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.