**Always follow the instructions in your repair manual when doing repair or maintenance work on Outdoor Power Equipment. Manuals can be found at the manufacturers website.** In this video I inspect the drive system on a Scotts self propelled walk behind lawn mower. Scotts does not manufacture their mowers, and the mower shown in the video is actually manufactured by Murray. Scotts also has John Deere manufacture mowers under the Scotts label. The self propelled wheels on this mower are actually plastic ring gears with tire tread, and the most common problem you will find with this type of system is the metal axle gear has a tendency to wear down the plastic ring gear, and cause the two gears to slip. It is an easy fix, and each wheel only requires removal of one nut and washer to remove the worn wheel and replace it with a new ones.
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