2003+ Suzuki DF9.9/DF15 four stroke outboard motors service manual, Page 74Get this manual
FUEL SYSTEM
FUEL HOSE CONNECTION
Note that the fuel hose connection varies with each type of the pipeBe sure to connect and clamp each hose correctly by referring to the following figure For the type "A" (short barbed end) pipe, hose should completely cover the pipe
Clamp (Clip) Hose
Joint pipe mm (0.1 0.3 in)
For the type "B" (bent end) pipe, hose should cover straight part of the pipe by 20 30 mm (0.8 1.2 in)