Original Ebbtide Mustang Engine Overpowered Setup

cmighells

Recruit
Joined
Nov 12, 2023
Messages
1
Just purchased a very used Ebbtide Mustang, 17 feet with a 100 Johnson on it. The plate says the max horsepower allowed is 90 hp. The owner claims the boat came with 100 hp on it in 1985. Wondered if anyone knew anything about this. The lake I'm near is policed fairly heavily and they fine you for being overpowered, send you to boating school and after a time or two its even a misdemeanor. So I'm not going to run it as is unless there is some way of proving that this setup is original and I can somehow show that to an official asking questions. Any help is greatly appreciated. Thank in advance!
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
49,534
I would put 90hp stickers on it. your power head rated 100hp is probably only making 85hp at the prop.
 

cyclops222

Lieutenant
Joined
Mar 21, 2024
Messages
1,289
The hp rating plate will get you every time. Plus in any lawsuit. They will refuse to pay for any claims. Find a LEGAL sized engine. You will enjoy boating again. (y)(y)
 

airshot

Vice Admiral
Joined
Jul 22, 2008
Messages
5,080
Makes no difference whether original or not, fact is the motor is to big for the boat ! Now add in the age and the rot inside the hull from rotten wood. Your an accident looking for a place to happen. Sorry for the bad news but no way a 1985 glass boat is structurally sound unless a recent overhaul has been done. Size of your motor is the least of your troubles !!
 
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