1979 Hydra Sport Mercury 115HP Rebuilt

Kaporal

Cadet
Joined
Jul 6, 2010
Messages
6
I want to make sure I'm getting the right parts.

This is my first boat so I do not know much about them but I'm mechanically handy.

Every where I look for information, my information does not match with the information in the internet.

I have 1979 Hydra Sport Mercury 115HP with the serial: 53154669
It's a 4 cylinder inline.
Question 1. Does the serial number exist with this boat and motor?

2. How can I tell if it's a four or two stroke?

3. Do I need a mix with the gas?

My title for the boat under fuel says "GAS"?
4. does someone know what the torque spec is for the connecting rods?
5. what is the torque spec for the crankshaft?

thanks for any help above...
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,525
Re: 1979 Hydra Sport Mercury 115HP Rebuilt

Ayuh,... Is this an I/O, or Outboard,..??
 

Kaporal

Cadet
Joined
Jul 6, 2010
Messages
6
Re: 1979 Hydra Sport Mercury 115HP Rebuilt

Bond-O, its a Outboard, I guess I don't understand the rest of your respond.
If this form is not to ask questions whats is good for or for whom?
 

ezmobee

Supreme Mariner
Joined
Mar 26, 2007
Messages
23,767
Re: 1979 Hydra Sport Mercury 115HP Rebuilt

Two stroke, 50:1 mix TCW-3 outboard oil.

Everything below the line in Bond-o's response is just his signature, not directed at you.
 
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