30-09-16, 09:20 PM
If you want to be pernickety, most petrol sold in UK stations these days has a percentage of ethanol in it. 5% and it's going up to 10%. Ethanol will separate out over time and it is definitely hydroscopic so a rusty tank is definitely a concern.
Practical Classics did an article about it a year ago and they left a gallon in a plastic container and it separated out and they then syphoned off the petrol from the top leaving the ethanol. Having said all that, I've laid my ZZR up for 4 months a couple of times and it's been fine. That bike is fuel injected and the tank is pretty much airtight which I suspect helps, but the Fazer certainly isn't.
You can get fuel stabilisers if you're going to lay it up for a long time but I wouldn't worry unless you're going for more than 6 months.
Practical Classics did an article about it a year ago and they left a gallon in a plastic container and it separated out and they then syphoned off the petrol from the top leaving the ethanol. Having said all that, I've laid my ZZR up for 4 months a couple of times and it's been fine. That bike is fuel injected and the tank is pretty much airtight which I suspect helps, but the Fazer certainly isn't.
You can get fuel stabilisers if you're going to lay it up for a long time but I wouldn't worry unless you're going for more than 6 months.
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