The amount varies and depends on the engine model, length of time since the last oil change, amount of power the generator is producing and length of the power outage. Check the Operation Manual included with your generator for a complete list of required maintenance procedures and schedules.

Your generator ships with KOHLER Genuine Oil 5W-30 full-synthetic oil, which is the oil Kohler recommends. Although a synthetic blend may be used, our recommendation is full-synthetic oil. However, if you know that the oil has been changed out to conventional oil, then use only conventional oil from that point on. Do not mix synthetic oil with conventional oil.

The dipstick has a bright yellow ring attached to the end. The location varies by generator, but it’s typically noticeable as soon as you open the access panel or hood.

Power off the generator and let the engine sit for two minutes to settle the oil. Pull the dipstick from the back of the engine and wipe with a clean rag. Insert the dipstick back into the dipstick tube and pull it out. Note the cross hatching on the end of the dipstick, from “F” (Full) to “L” (Low), and … Read More

We recommend checking the oil level after every 8-24 hours of operation, depending on the size and model of the generator. Oil change and filter change frequency and other routine maintenance varies per model, especially during periods of extended power outage. Check the Operation Manual included with your generator for a complete list of required maintenance procedures and schedules.