Honda EM25 Manuel De L'utilisateur page 41

5.Remove the sediment cup by turning it counterclockwise.
6.Clean the cup.
7.Reassemble. Do not damage the O-ring.
After installing the sediment cup, be sure to tighten it securely. Check
for fuel leaks and make sure the area is dry before starting the engine.
8.Untie the starter rope. Set the left side cover in the original position
and tighten the four 6 mm flange bolts securely.
9.Set the fuel valve lever on the fuel valve and tighten the screw.
LEFT SIDE COVER
38
FUEL VALVE
6 mm FLANGE BOLT
FUEL VALVE LEVER
O-RING
SEDIMENT CUP
SCREW