Thank you for contacting the AnswerARMY.
The information you have provided is incomplete. Please recheck your product ID and you can download the manual at http://www.weedeater.com/node7836.aspx
We defer engine oil requirements and cleaning back to the engine manufacturer. Please refer to the engine operators manual that should have come with your mower or contact http://www.briggsandstratton.com
Thank you for contacting the AnswerARMY.
The information you have provided is incomplete. Please recheck your product ID and you can download the manual at http://www.weedeater.com/node7836.aspx
We defer engine oil requirements and cleaning back to the engine manufacturer. Please refer to the engine operators manual that should have come with your mower or contact http://www.briggsandstratton.com