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Can gasoline eventually ruin a carburetor?

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I have a 1983 Yamaha TT600 that’s been sitting for approx. 10 to 15 years. It ran great when I parked it. It was stored inside and looks in really good condition. I recently had a bike shop clean the carbs. They cleaned them, but told me the carbs are junk because gasoline has eaten away the aluminum. I didn’t know that gasoline could ruin carbs. I thought it just gummed them up and you could always clean/rebuild them. Can anyone give me some advice. Is the bike shop correct which means I need to try to find replacement carbs?

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I have a 1983 Yamaha TT600 that’s been sitting for approx. 10 to 15 years. It ran great when I parked it. It was stored inside and looks in really good condition. I recently had a bike shop clean the carbs. They cleaned them, but told me the carbs are junk because gasoline has eaten away the aluminum. I didn’t know that gasoline could ruin carbs. I thought it just gummed them up and you could always clean/rebuild them. Can anyone give me some advice. Is the bike shop correct which means I need to try to find replacement carbs?

The shop is both wrong and right.

It's not the Gas, but the moisture that is created/attracted by the additives, like ethanol, that cause corrosion.

Same thing happens to the rubber inside and outside the carb and motor, due to air pollution, eating away at the rubber and drying it out.

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