T500 gas tank leaking

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kall399
On the street
Posts: 43
Joined: Wed Sep 23, 2020 10:33 am
Country: Finland
Suzuki 2-Strokes: 1973 T500

T500 gas tank leaking

Post by kall399 »

Hello

I noticed recently that there is a small bubble in the paint on my tanks lower edge :( so the tank has a pinhole as I feared when cleaning it last winter.
The tank is in great paint so I don't want to weld, so I'm asking for tips about these tank sealers I have available 2 types, a 2 part epoxy by a brand Tank Cure and a 1 part by the name POR 15. So any recommendations or tips are welcome. :up:
karl pa
To the on ramp
Posts: 490
Joined: Sat Sep 05, 2015 3:14 pm
Country: us
Suzuki 2-Strokes: GT
Location: southeast pa

Re: T500 gas tank leaking

Post by karl pa »

Several of my bikes have sealer, several brands and types of sealer. TANK PREP, do not short cut tank prep. The inside of tank needs etching for the sealer to grab onto and hold to.
76 GT185
77 GT250
77 GT380
76 GT500
73 GT550
73 GT750
74 GT750
71 T250 scrambler
75 T500 cafe
saab9002
On the street
Posts: 31
Joined: Mon Mar 05, 2012 9:44 am
Country: uk
Suzuki 2-Strokes: GSX250,GT750.GS850G,2XGT250 GT550M, T350R
Location: Hampshire UK

Re: T500 gas tank leaking

Post by saab9002 »

I've used 2 different sealers, the first one about 10yrs ago was by Caswell based in Hampshire Uk. I had the GPZ1100 approx another 4yrs and it never let me down. Two weeks ago I de-rusted my T250 tank (on my T350r) and used POR-15, it was done as preventative not because I needed to, it seems good but be aware that it takes 96hrs to cure.
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DaytonDave
On the street
Posts: 18
Joined: Fri Jun 03, 2022 1:37 pm
Country: USA
Suzuki 2-Strokes: 1968 T500
Location: Dayton, Maryland

Re: T500 gas tank leaking

Post by DaytonDave »

I just relined the tank on my T500 with KBS Coatings 52000 Cycle Tank Sealer Kit. It costs around $50-60 USD for the 3 part kit. Has a de-greaser, caustic rust remover/etcher, and the coating material itself. The coating leaves a silver color that is similar to new metal, looks very good in my opinion. I also hand painted the underside of the gas cap separately with it to prevent rust. The coating can is difficult to open and gets bent up badly so the top will not re-seal well after opening. I suppose the factory tight seal is for shipping reasons. I had to purchase a second can of the coating material because I checked the inside of the tank after a few days with a digital inspection probe and saw that I had missed a small part. Very pleased with the overall result.
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