Recent content by masterdrago

ILENGINE, the fuel cap (OEM) "is" vented. And the rollover valve is only one way "to" the connection under the air filter. I added more venting to the cap by drilling a small hole and added a screen to prevent debris. Dirt and dust must have clogged the original air path in the cap. New hole...

Now that is strange. Plus the picture of the rollover valve for my mower on PartsTree does not look anything like mine. Anyway, by venting the cap, any issues with the rollover valve are inconsequential. I do not mow on anything but mostly level 5 acres. Now my latest problem is that in my haste...

ILENGIN, I appreciate the help. I had pulled that plastic valve out on first checking. I had no idea what it was for as I'm ignorant of ICEs. It clearly acted as a one way valve (you call it "rollover"). Found it at Partstree.com. When I suck on the line below the fuel filter, I can draw gas...

Tiger Small Engine - "fuel line running back to fuel tank" from just under the air filter - is a one way (check valve - allowing only air "FROM" the fuel tank but not "TO" the tank. It is clear. Check valve works. Auto Doc's - I was under the impression that the line from under the air filter...

The issue turned out to be with the fuel cap. New one solved. All the pumps work if I flip left to right following the arrows and mount ~1.2 inches out from mower. The old pump even still works. Just a bad fuel tank cap. My neighbor had never heard of this either. It had me mystified for days...

Problem solved..... bad fuel tank cap