Bike keeps pissing itself

[RhynoCZ]

I did lazy a search ctrl+f, so I apologize if this was cover, but what about your tank overflow? This could even explain the petrol smell.

As said, what you see is not petrol.

Does the exhaust system have a drain hole in the silencer/s? That would explain the water like substance on your swingarm. It's the first picture that confuses me.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor

[M.C]

Bought a cable and connected the laptop. The bike wouldn't start again but it gave me two error codes:
P1108 - ambient pressure sensor circuit high voltage or open circuit
P0353 - Ignition coil 3 circuit malfunction

Is it folly to chase error codes without the engine running? The pressure sensor isn't the one I changed, and the bike sounded ok when it was running.