Larger Diameter Lines for In-Tank

[Claudio]

I purchased some submersible grade fuel lines from EME along with some new parts to rebuild my fuel pump assembly.

 

I was hoping to replace the vent lines inside the tank while I am at it. (the two longer ones that go up to the fuel filler vent. The lines I bought (http://www.euromotoelectrics.com/product-p/fp-hose040.htm) indicate they can be used in the tank of an R1150RT but they are larger than the specification.

 

Kit: 8mm inner, 13mm outer.

OEM: 5mm inner, 10mm outer.

 

Wondering if I can use these to replace those smaller ones as I believe these these are just vent / overfill drain lines and not under pressure? (ie., would the larger diameter be a problem?)

[dirtrider]

I purchased some submersible grade fuel lines from EME along with some new parts to rebuild my fuel pump assembly.

 

I was hoping to replace the vent lines inside the tank while I am at it. (the two longer ones that go up to the fuel filler vent. The lines I bought (http://www.euromotoelectrics.com/product-p/fp-hose040.htm) indicate they can be used in the tank of an R1150RT but they are larger than the specification.

 

Kit: 8mm inner, 13mm outer.

OEM: 5mm inner, 10mm outer.

 

Wondering if I can use these to replace those smaller ones as I believe these these are just vent / overfill drain lines and not under pressure? (ie., would the larger diameter be a problem?)

 

Evening Claudio

 

The large diameter might be difficult to route through the tank.

 

Even if you can route them correctly you still would need to find a way to attach them securely (you can't just clamp an 8mm hose down on a 5mm fitting).

 

Any leaks in those hoses (at any time in the future) could lead to a garage full of raw fuel on the floor when parked overnight.

 

Even though those hoses are just water drain & vent they DO pass through the tank of gasoline so any leaks in the attachment to the pump pass through can allow gasoline to leak out of the tank.

 

[Claudio]

Yep. That was my gut feel as well. I'll pick up the correct size.

 

Now...to find a source for them amongst the forum posts...