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2011 F650GS
Just bought the bike.
Have ran 3 tanks for fuel through it.
Every tank I waited until the low light came on.
But it only took 2.6 and 2.7 gallons to "fill it".
Is this normal?
Thanks
Max
Ok... pulled out my MOM... the reserve light comes on when you have 1.1 gallons left... the tank only holds 4.2 gallons... so i don't think you are to far off...
i have a F650GS, and my rule of thumb is to fill up at 150 miles, i use one of the trip odometers just for fuel.
hope this helps
Peter in OKC,OK
2011 F650GS
Just bought the bike.
Have ran 3 tanks for fuel through it.
Every tank I waited until the low light came on.
But it only took 2.6 and 2.7 gallons to "fill it".
Is this normal?
Thanks
Max
It could also be that you aren't filling the tank when you gas up. Do you stop when the pump shutoff cuts in?
I top off the tank with a trickle of fuel after the pump shuts off. I can always get a few more litres (best part of a US gallon) into the tank at that point, filling until the fuel is part way up the filler neck.
Overfueling the tank may be the cause of tanks cracking. No room for expansion after warming up to ambient temp. or heat up in warmer temp. I leave an inch or two just in case my theory is correct.
Jack
There's plenty of room for expansion. It just comes out the vent hose onto the ground on the bikes from outside the US market. On US bikes it runs into the overflow charcoal canister, which other countries don't have. The only way that should be a problem is if the vent hose is plugged. If it is plugged, there would be a vacuum created in the tank when underway, so it would be evident in a hurry.
The cracked tanks was a QC issue, which BMW acknowledged by replacing tanks under warranty regardless of the national market.
Great advice. It (running tanks low on fuel) drove Chrysler crazy on their mini-vans.Please use caution if you plan on running the bike till it is empty. Your fuel pump uses the fuel as a lubricant so running till is empty may cause damage.
As an heating & air conditioning guy I know that a pump that is running dry gets hot very quickly.
Safe riding