Protect and maintain your small engine with Penrite Small Engine 4 Stroke 10W-30. Penrite Small Engine 10W-30 is a semi synthetic, non-friction modified engine oil formulated using modern technology additives to provide excellent protection against wear and corrosion while also maintaining engine cleanliness. Penrite Small Engine 4 Stroke 10W-30 is suitable for use in most small 4 stroke engines including lawn mowers, generators, inboard and outboard engines where a 10W-30, API SL/CF or earlier engine oil is recommended. Penrite Small Engine 10W-30 is also compatible for use in 4 stroke motorcycles including those fitted with wet clutch assemblies. To find the oil type and weight suggested for your engine; either check with your manufacturer, your local mechanic or head in-store and talk to one of our friendly team.