Magnetos are recommended to be taken apart and serviced, or overhauled, every 500 hours/4 years. This will ensure you have an optimally running engine and also minimizes the time and hassle of being stranded in a random airport. 

    What's included in the 500hr inspection?

1- new capacitor     

2- new contact points 

3- new oil seal               

4- new carbon brushes     

(any additional or broken parts needed outside of this are not included in the price)