Fuel tank oxidisation

Fuel tank oxidisation

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Discussion

Sossige

Original Poster:

3,176 posts

265 months

Sunday 1st June 2008
quotequote all
I was looking in some bike classifieds and saw an advert that I was surprised by. It was an 07 Honda Hornet, which according to the owner has never been driven in the wet.

Apparently the fuel tank is suffering from "internal oxidisation", which I was surprised by on such a new vehicle. Surely you'd be having to fill the tank up with water and leaving it indefinitely for the tank to oxidise? Or is this a part of bike ownership that I've not realised is on the cards?

Not trying to single out the advert or anything, just curious how that could happen on such a new bike. I've had cars with ali fuel tanks and they've never oxidised like that.

carlosvalderrama

198 posts

200 months

Sunday 1st June 2008
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Most Likely it's due to the tank being left empty, or close to empty with the filler cap open.

Steel tanks will rust like hell given the chance. The steel used can't be stainless, or you'd never press it to shape. During normal use the fuel vapour prevents oxidation by displacing the oxygen.

The most likely explanation is, unfortunately, it's been in a spill and the tank has been replaced by one from a breakers or sat on a shelf for a while being repaired.

John Laverick

1,992 posts

216 months

Sunday 1st June 2008
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Seems very very strange to me ... are you sure the bloke knows what he's talking about?

I've looked inside 18 year old fuel tanks which have been spotless internally.

Flipatron

2,089 posts

200 months

Sunday 1st June 2008
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That'll be my bike then!

Its how it came from the dealer when I bought it, I wasn't very impressed the first time I filled it up.

The bikes was bought new from Manchester and I've never go round to taking it back for a new tank. I was going to get It replaced under warranty but I can't get it booker in for 3 weeks, I'd rather sell it a little cheaper and let the next person resolve the issue so grab a bargain!!!

http://www.pistonheads.com/sales/542649.htm




Sossige

Original Poster:

3,176 posts

265 months

Monday 2nd June 2008
quotequote all
Flipatron said:
That'll be my bike then!
Hi -

Yes it was, but I didn't want to give the impression I was singling your advert out, I was genuinely surprised and curious about it.

The bike looks great otherwise and just the sort of thing I'm after, but it would be too great a distance to travel.

Good luck with the sale, sure that someone will get a bargain.

S

carlosvalderrama

198 posts

200 months

Monday 2nd June 2008
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It sounds like shipping corrosion then.

When bikes come over from Japan, they spend the best part of six weeks in a container on the sea. Most are fine, as they are bagged, protected and sealed. Some however suffer corrosion due to holes in the bag and such.

The dealer can't complain about it, it's just a shipping error of no fault of theirs or yours, so Honda have to cough up a new tank for it. If it was the shipping company's mistake, Honda will then charge them for it. Either way you should get a new tank. Push for a new pump too in case the rust particles have clogged the filter. Most modern bikes have a one piece pump/filter/regulator/level sensor package, and the filter is a lifetime part.