[kaylene]

how to remove old fuel that was left in a50hp 4stroke suzuki outboard motor for 2 years

 

[Brett]

Fuel injected outboard, I'd need the OEM manual before I'd even start to work on it.
Looking at the parts diagram it doesn't look too complicated.
One hose at a time starting at the connection to the engine.
Pages 18-26 shows the fuel system.

http://store.brownspoint.com/pdf/DF40a_50a_60a%2810-11%29.pdf