The rust is usually on the inside of the fuel tank, especially if there is a high ethanol content in your fuel. While you have the tank from the motorcycle, drain it and remove the fuel pump/sending unit assembly and have a good look inside the tank. Give the inside a good cleaning at the same time.
It is clean inside...
Thank you for suggestion. I always carry with me (in my tool kit) a hose adapter, specially made to be able to reroute over the shutoff valve. I read on the forum before, about the surprises it can create.
I rebuilt a 1978 Goldwing back in the '90's. The driveshaft area of the swing arm was literally full of water. When I loosened the drive bolts it all, including ages of over-grease, dumped out all over my right sneaker. Took a while to clean the slippery &^%^ off the garage floor. I've used a drip pan since. The driveshaft exit seal at the engine and at the back side, and the boot were fine, no leak indications at the engine. Strange.
That bit made me laugh. Can't wait to see it in the bright light of day. But it still looks amazing even just hanging around in your garage. Well done you.
Yeah... my english isn't my mother tongue...
After I took out the carburetors out and removed the tank off, I wanted to clean it with water, detergent and a brush. Probably then, when I hit the water jet, it entered somewhere inside and leaked out when I dismantled the final drive case. I will document myself in more detail on the ensemble. Thank you for the warning...
You're all right. There's nothing wrong with that bit. It was just the casual contrast between daylight and garage that made me laugh.
I don't know where that accumulation of water came from. There was no standing water there (only clear, clean water), or parts in proximity or contact with water to be damaged or rusty, just wet. I assume that the water got in somewhere, but I couldn't detect it visually, when I hit the pressure jet, then brush again with the jet, after removing the carbs and the tank from the chassis. I have never disassembled this swingarm, to see if there may be unwelded segments (but where water cannot penetrate under normal conditions of use).
The battery my 1991 came with kind'a surprised me. Length and width were correct but it was only half the height of a stock battery, perched on a well formed, black painted styrofoam block so that it fit. No manufacturer's identification on it that I could find. Guess my only point is that with a little creative innovation, you can make a secure mount for the battery.