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Service Intervals


Servicing Your Machine

IMPORTANT: Avoid damage! Operating in extreme conditions may require more frequent service intervals:

• Engine components may become dirty or plugged when operating in extreme heat, dust or other severe conditions.

• Engine oil can degrade if machine is operated constantly at slow or low engine speeds or for frequent short periods of time.


Please use the following timetables to perform routine maintenance on your machine.

Before Each Use

• Check hardware tightness.

• Fill tank with fresh fuel.

• Check engine oil level.

• Clean debris from around muffler, engine cooling fins, and engine cover.

• Clean debris from mower.

• Test safety systems.

Break In - After First 5 Hours of Operation

• Change engine oil.

Every 25 Hours or Once a Year

• Change engine oil.

• Replace oil filter (JS46).

• Clean air filter foam precleaner.

• Check air filter paper element, replace if very dirty.

• Check blade bolt for tightness.

• Clean drive belt and transmission area.

• Check drive belt for wear and tension.

Every 50 Hours or Once a Year

• Check spark arrestor (if equipped) and clean if necessary.

Every 100 Hours or Once a Year

• Replace spark plug.

• Replace air filter paper element.