The table on this page gives the safe operating limits for the components in the engine,


You will find that in the first 5hr of use the engines performance will increase significantly,  We have then found after this time it is beneficial to have the engine looked at by one of our service centres, this is to readjust engine to its optimum working configuration,and ensure you can have maximum engine performance.


Components  Timescale
Piston & Small End  20Hr
Con-Rod & Big-End  75Hr
 Main Bearing  75Hr
 Crank Case Oil Seal  75Hr
 Crank Shaft  75Hr
 Clutch Hub  As Required
 Clutch Drum  As Required
 Recoil  75Hr