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Showing results for tags '520h engines'.
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I want to adjust the valves on my 520H. When checking gauge 5000ths intake and 13000ths exhaust. Is this correct? Do I check the clearance by when the black nut is about to spin against the rod? What do I use to clean the top of the piston and cylinder head? Is there anything else that I need to do since it's apart? I cleaned the carburetor.
