2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 173Get this manual
FUEL SYSTEM 5-5
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 For type "B" (bent end) pipe, hose must cover straight part of pipe by 20 30 mm (0.8 1.2 in)
Clamp (Clip) Hose
Joint pipe mm (0.1 0.3 in)
20 30 mm (0.8 1.2 in) mm (0.1 0.3 in)
For type "C" pipe, hose must fit up against flanged part of pipe