Yamaha 115 four strock runs out fuel at half tank

oahetrader

Cadet
Joined
May 15, 2016
Messages
8
I am sure this isn't a outbaord problem, but wasn't sure were to post. I have a 2001 Hurricane GS 201 deck boat. It has 52 gal. gas tank with very poor access.
The Yamaha 115 runs out of fuel right at 1/2 tank. I thought the gas gauge was bad so I slow filled tank until I had gas running out fill pipe(gauge is good). Could the anti siphon valve be the problem? As long as I have over 1/2 tank the primer bulb pulls gas great, but as soon as you hit the level just about 1/2 primer does not pick up and gas. I did replace primer bulb? Does anyone know what is in the gas tank for pickup hose or pipe?
Thanks for any help
 

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
8,851
hole in pick up tube or too short would be the only way I can think of
 
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