They won 26.13 (163) to 5.3 (33) after easily accounting for Innaloo the previous week.
Yanchep proved too strong for Koongamia, winning 17.19 (121) to 12.2 (74).
In division two, Dwellingup thumped Warwick Greenwood 31.16 (202) to 1.9 (15).
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READ NOWBayswater defeated Midland, Queens Park beat Innaloo, and Safety Bay thrashed Brighton by 101 points.