SOHC.co.uk Forums > CB350/400

PETROL TANK LINING - POR 15 - What is your experience after treatment ?

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Moorey:
  If the tank is clean and leak free don't use it. I did our 400sf last year with POR15 as it had custom paintwork and at some time must have been
  down the road no doubt just before the paint was done. To remove the dent they had spot welded 3 puller pins and in removing them must have
  just penetrated the tank. Over the years a blister has developed under the paint slowly getting bigger. So it was either get the tank repaired and
  full repaint at x ££££££s or try POR15 to seal the tank and save the paint and live with the blister. The POR15 has sealed the tank and stopped the
  blister getting any larger as the paint has hardened up again. So it has been a success for me.

JezzaPeach:
My NOS tank eventually had a fine layer of rust. I used POR15 and it has worked well and lasted. Needs to be very carefully applied. For me needs to be done outside ideally and skin covered and a fan to blow fumes away. I came out in hives where my forearms and lower neck were expose, being sensitive!

400 Cafe Racer:
Hi Johnny, Moorey and Jezza,

Thanks for your valued feedback  :) its good to see the broader picture from everyone and see what experiences come in.

Cheers

Dennis

Davelu88:
Hi , I had a small pinhole in a Suzuki TS 250 I did , tank was clean inside but I used the por 15 metal prep and then dried it completely and then used the sealer. Left it 4 days to dry and it was great , sealed the hole and the tank looked mint inside . Patience and prep is key for good results.

Lobo:
I had a slight seam leak on a SS50, and applied a POR15 type product. LOADS of prep and utmost care, and tbh a good result. This topic keeps rearing its head here, and generally though, the answer is ‘don’t go there unless you really need to’.

To (hopefully) mitigate tank rusting issues I add 2T (ie 2 stroke) oil to my CB750 @ every fill up, at abouts 100:1; it certainly doesn't seem to mind…

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