Re: Working with petrol tanks ..

On 29 Feb, 14:48, "Krusty" <dontwant...@xxxxxxxxxxxxxxx> wrote:
T i m wrote:
Hi All,

I've got the tank off my CB Two Fifty ready to de-rust the underside
and where the saddle has been rubbing and prep the rest for a quick
re-spray.

After draining it completely and leaving it to air a couple of days I
note it's still fumey and wondered if that was still a risk (maybe
even more a risk of explosion than when it's full of petrol?) and what
the std practice is re washing it out (or whatever) in these
circumstances please?

Filling it from a car exhaust is the usual method,

What he said. Exhaust pipe into the filler hole, run the car for 10-15
minutes, job done. Some people like to lob a lighted match at the
filler hole afterwards. Assuming the tank was dry before you started
purging it with car exhaust, the worst you'll get is a tiny little
'pop'. Yes, really.

Of course, if you tried purging it with liquid still in it the results
will be more spectacular.
.