Stihl · RZ Zero-Turn Mowers
The engine is using more oil than expected. This could be due to overheating, incorrect oil weight, or overfilling the crankcase.
Click steps to track your progress.
Clean the engine fins, blower screen, and air cleaner.
Refer to the engine operator's manual to confirm the correct oil weight is being used.
Drain excess oil from the crankcase if it is overfilled.