Originally Posted by Ribandmotorhome
Last time i used the boat was 2 weeks ago.
I filled it with fuel from jerry cans that are always about round here.
I just checked my receipts out if interest to see how old the fuel was (as I couldn't remember)
They were filled up 24th of May 2013! So the fuel was around 7 months old, no issues whatsoever.
Maybe i have just been lucky over the years but people are not wintering the boats for longer than this are they?
It seams you have been lucky. Unleaded fuel does "Go off" just check with any garden machinery dealer / Classic bike dealer. Fuel kept in sealed cans and large quantities seams to keep better. If you check with most engine manufactures they will say not to use fuel that is over 30 days old.
If an engine is multi cylinder or fuel injected it does not seam to affect them as much.
You can still get deposit build up and this will reduce the size of the jets in a carburettored engine and so give poor running.
Pump fuels have changed massively over the last few years and most now contain around 130 ingredients and are classed as TOXIC
Aspen fuel only has 10 ingredients and is only harmful.
Aspen has no ethanol. (just google ethanol damage)
No Solvents, This is what damages the rubber parts and causes pump fuel to evaporate so fast.
Aspen will stay in your tank for longer, with no deposit build up in your fuel system.
I hope the above has helped and makes sense.