Petrol tank flush

[Richard A]

Hi,
best suggestions please for flushing out an A7 plunger petrol tank that has been stood for a while.

Thanks

Richard

[coater87]

 Richard,

 It depends on whats in it.

 If its just spider webs and dirt, I would use white spirits.

 If its rust, I would use 2 quarts of diesel fuel and exactly 30 drywall screws. then shake it and swish it for a long, long time.

 And no matter what, make sure to run with a decent fuel filter.

 Lee

[Angus]

I must admit, when I found some funny jelly like goop in my fuel taps I flush the tank out with simple soap (fairy liquid) and hot water. Seam to have worked so far touch wood.

[Richard A]

Thanks guys. The tank has not been used for a long while and thought I'd flushed it through, but no on the first run then lots of small black/brown bits were appearing in the filter.
Now flushed it several times with petrol and used the pebbles routine shaken in the tank to loosen any bits.
Will also try a rust remover in the next day or so. Also purchased in line filters.
Just the carb to clean out now!

[A10 JWO]

I have used brick cleaner in the past £10 a gallon, very underestimated. It may attack soldered joints.

[duTch]

 

I have used brick cleaner in the past £10 a gallon, very underestimated. It may attack soldered joints.

 Could be hydrocloric acid (based), we used it diluted a bit for washing concrete driveways

[ellis]

Known as brick acid in the UK very powerful stuff. Wouldn't want it in my tank.       

ELLIS

[Richard A]

Update time.
I have now applied Rust buster as per manufacturers instructions and an awful lot of rubbish was flushed out. Mostly small black deposits. Then applied Slosh liner. All from Dragonfly.

Looks fine so far. Will test with fuels and install on bike shortly.

Had my first attempt at carb dismantle (276) and lots more rubbish found in float chamber etc, so hopefully fingers crossed that all works this time round.