Honda WT20X Manual De Explicaciones página 35

5. Servicing the pump casing
After each use, clean the inside of the pump casing using the following
procedure:
1. Remove the pump drain plug
from the pump cover using the
wrench to drain the water inside.
2. Loosen the pump cover knobs
using the wrench.
3. Remove the pump cover and the volute case from the pump casing,
and remove any debris from pump casing and volute case.
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PUMP CASING
WRENCH
KNOBS
O-RING
WRENCH
PUMP DRAIN PLUG
KNOBS
VOLUTE CASE
PUMP COVER