I have a Suzuki DRZ 400 with a metal gas tank. I used a long screw putting the plastic back on and drove the screw into the tank, poked a hole. It was a flat headed screw. The hole is less 1/8" diameter. Does anyone know how to fix this? I was looking at POR15 but that is for the tank lining. Is there a putty type of sealant I can use? I may need to use POR15 once sealed.
Thanks

Aluminum? Take it to a shop and have it welded. They should back purge it so that it doesn't corrode while welding or explode from the gas fumes. Small job like that, they will probably do it for free.

I did the same brilliant thing to my first car I couldn't understand why the gas milage was so bad in town but it would run forever without the gauge moving on the highway. clean it with brake cleaner or alcohol use the same size screw with epoxy if it is near the top of the tank if it is normaly under the fuel level you may want to seal it also.

Auto parts stores sell some putty stuff. Don't know how well it works.

As said above, there used to be a putty type stuff meant just for gas tank repair.Even JB weld would probably hold as it seems pretty resistant to petroleum products.Good luck.

jb weld all the way. used it on gas tanks before and works great. if ur questioning the strength my buddy had a rock come up and bang a hole in his trans in his car. mixed up some jb and got himeself 300 miles home.

tedhone said:

It didn't work at all in the 80's after cleaning with brake cleaner and roughing it up with sand paper then brake cleaner again JB Weld.

There are many products you can use to fix this.
JB weld will work if properly applied but here is some others:
Gold Standard Fuel Tank Sealer
Kreem
PHENOL NOVOLAC EPOXY GAS TANK SEALER from Caswell
I have never tried it but some say you can use Loctite 290
DOW 730 SOLVENT RESISTANT SEALANT
PR-1005-L BUNA-N-SLOSH COATING
JEFFCO FUEL TANK SEALER
PROSEAL PR-1776M CLASS B LOW WEIGHT FUEL TANK SEALANT
PRO-SEAL FUEL TANK SEALANT
FUEL TANK SEALER KIT by KBS Coatings
And I'm sure there are many more.
Go to your local auto parts store and they probably have several brands on the shelf.
Moto