Motorcycle Discussions > British Bikes
Fuel tank liner.
Grunt:
Has anyone used a fuel tank liner they can personally recommend. There are quite a few about and even more horror stories, a lot of which I’m sure are the usual repeated friend of a mates neighbour stories.
I want to do a tractor diesel tank, I’ve soldered the holes, pressure tested it and swilled petrol round in it. There are no obvious leaks but would like to take a belt and braces attitude. I’ve also considered doing my Bonnie and ally featherbed tank.
JohnnyT:
Hi Grunt.Ive used Por15 recently.Its like thick paint,you dont have to mix anything, although it does take 7 days to go off.
TGR90B:
A bloke on another site recommends the Frost product, but I can't remember any details.
Grunt:
Thanks for the replies. It seems that Petseal has been the main reason that chemical liners have got a bad name.
How much does anyone believe the manufacturers of the chemical liners claims that the ethanol based fuels will attack just about any fuel tank known to mankind. It doesn’t ring true to me that fuel manufacturers would be allowed to sell something that is likely to destroy a fuel tank to the extent that some would have us believe.
33d6:
Fuel tanks aren't destroyed by ethanol. They rust out far more quickly is all. Ethanol is hygroscopic, water loves it. Water accumulates at the bottom of the tank to rust it out far more quickly than it used to in pre ethanol days. Of course the fact that newer tanks are made of a lighter gauge material than older tanks and therefore rust through more quickly anyway doesn't help either. The major problem with bikes is too many people don't actually use their bikes but let them sit for long periods and then moan when they don't run properly on the odd occasion they're dragged out. Frequent use with fresh petrol continually flowing through the system is much better than letting the bike sit.
I can't see why you would line a diesel fuel tank. No ethanol content in diesel is there but you can have the standard problem of water condensate in the fuel if the thing is left idle for weeks at a time. That is why you often find on heavy equipment a decent cup sized indentation with a drain tap on the bottom of the tank so you can drain out the condensate before it gives any bother. It's just a standard maintenance thing which most owners either don't bother with or don't understand the reasons for. It's a self inflicted problem.
Just try riding your bikes before faffing about with tank liners. It's an uncommon way of preventing trouble but it seems to work.
Cheers,
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