I have the filter at marina East... I don't have Johnson 4-stoke oil but I have other brands (It is all just 10w -30) I think West has some johnson oil instock
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<br />I use a oil pump to pull the old oil out of the dip stick... very easy and clean.
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<br />If you need any help stop over and I will help anyway I can.
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<br />We will be closed Easter
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<br />good luck
<br />Eric