Honda WT20X Owner's Manual page 36

4. Install the O-ring on the pump cover, taking care not to damage the
O-ring.
5. Install the pump cover on the pump casing, and tighten the knobs
handtight. Then, set the wrench to the knobs and finish tightening
the knob securely.
After tightening the pump cover knob, check the pump cover and
pump casing to ensure that there is no water leakage.
6. Install the pump drain plug in the pump cover.
PUMP COVER
WRENCH
O-RING
DRAIN PLUG
KNOB
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