How often should I put Sea Foam in the oil of my HP Vanguard mower? [SOLVED]

I change oil every 50 running hours on my 26 hp Vanguard (engine) zero turn mower. If I add Sea Foam to my crankcase how long should I run mower before each oil change?

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Jim D.
Jim D.
3 years ago

Great question Tim.  For any off-road engine (no odometer), add Sea Foam to oil with at least 2 hours of engine running before replacing the oil and filter.  Running longer is always OK, too.