Številka dela: GB/T823-M4X25 (PAGB/T823-M4X25)
Del se uporablja za modele motorjev: Parsun F4/F5, F5A/F6A, F8/F9.8
This M4 × 25 screw fastens the fuel-pump cover and body stack on the F4, F6A and F9.8.
On the F9.8 lower unit, it also holds the opposing cooling-water inlet grilles together across the gearcase.