225HP Fuel line size ?

abr19096

Cadet
Joined
Aug 22, 2008
Messages
7
New purchase of old boat with 225 HP mid 80s Mercury 225 HP 2stroke

What size fuel line? It has 5/16 which I would think is insuffcient.

My 115 Yamaha i rigged with a half inch line

Thanks !o!
 

jerryjerry05

Supreme Mariner
Joined
May 7, 2008
Messages
17,927
Re: 225HP Fuel line size ?

A half inch line???WOW!! 5/16 is way more than sufficient. I run 1/4 in on twin 85/s and it works fine.
These motors don't need that much flow.J
 
Joined
Oct 28, 2010
Messages
923
Re: 225HP Fuel line size ?

I would have 3/8" all the way to the motor and what ever is on the motor probably 5/16" all the way to the carbs.
 
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