Honda trx 125 1988 question - Honda TRX Forum
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post #1 of 3 Old 07-05-2019, 03:12 PM Thread Starter
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Honda trx 125 1988 question

Hello i have a trx 125 1988, im trying to keep the tank rust free so it’s almost full of gas, 89 octane ethanol free.
What else can i do?
Also i noted some white substance on the top neck of the tank and the cap, what that can be? Thanks
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post #2 of 3 Old 07-05-2019, 05:13 PM
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The white stuff is corrosion (oxidation) caused by moisture (most likely condensation)

The only way I know to keep rust out of a fuel tank is to keep it full of a non-corrosive liquid or to place it in a sealed container void of oxygen (plastic bag filled with nitrogen)

Fuel (gasoline) is not good enough - it contains oxygen - diesel fuel is better as it contains less oxygen

If i was trying to preserve the tank, I would clean it with acid to remove all traces of corrosion, neutralize the acid, rinse with water to remove all traces of the acid, rinse with denatured alcohol to remove the water, dry it in 120 to 140 degree oven for 24 to 48 hours then completely coat the inside of the tank with a non-oxygenated oil (fogging oil for example), then place the tank and a couple of bags of desiccant moisture absorbent in a sealed (zip lock) plastic bag.
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post #3 of 3 Old 07-06-2019, 07:26 PM Thread Starter
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What about adding seafoam to the gas in the fuel tank in the mean time to control corrosion?
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