Detergent will ease out the attached dirt and grime. The foam pre-filter is an essential part of lawn mower which helps to act extra protection of air filter. For oiled air filter: Spray the air filter with cleanser or soak the filter in cleaning kit. Allow it to soak like the pre-filter for 10-15 minutes. Your DR® FIELD and BRUSH MOWER is shipped completely assembled. Just CHECK THE OIL LEVEL AND ADD GAS, and you're ready to go! Supplies Needed: SAE30 HD (High Detergent) oil (if needed) fresh unleaded gas Check the Oil and Add Gas 1. Place the machine on a level surface and check the oil level. Add SAE30 HD (high detergent) oil if needed.

For the ultimate performance in low and high temperature applications, use Kawasaki Genuine 10W-30, 10W-40 or 20W-50 synthetic blend. Although 10W-40 engine oil is the recommended oil for most conditions, the oil viscosity may need to be changed to accommodate seasonal temperature changes.

Formulated to protect your engine, our high detergent SAE HD30 motor oil is engineered to resist thermal breakdown and provides peak performance even in warmer temperatures.

When choosing lawn mower oil, use a high quality detergent oil classified as 'For Service SF, SG, SH, SJ' or higher. Do not use special additives. Synthetic oils are an acceptable oil at all temperatures. Use of synthetic oil does not alter required oil change intervals. Different oil types can work best at certain temperatures.

It is important to note, however, that oil analyses should be conducted regularly because non-detergent oils do not protect against sludge and contaminants. Your non-detergent oil will need to be changed at regular intervals in order for your engine to remain healthy and running efficiently. I got a small Walk behind mower with Hydro transmission. It calls for 20w or 20-50 wt non detergent motor oil. My thought was to use ISO 46 or 68 since the ISO is a real 20w hydraulic fluid and 20W non detergent is not sitting on anyones shelves.