1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 128Get this manual
FUEL SYSTEM
FUEL HOSE CONNECTION
Note that fuel hose connection varies with each type of pipeBe sure to connect and clamp each hose correctly by referring to the figure For type "A" (short barbed end) pipe, hose must completely cover pipe"A"
Clamp (Clip) Hose
Joint piep mm (0.1 0.3 in)
For type "B" (bent end) pipe, hose must cover straight part of pipe by 20 30mm (0.8 1.2in