Hi, One of these was being dumped, so I asked poliely if I could take it to tinker with. No spark, so I cleaned the coil flywheel....... new fuel. No compression. Took off rocker cover, the size of a matchbox...... Conrod was not sitting in its rocker. So we undid the rocker, checked if it was bent and put it back........ Didn't know the settings but father in law said that's enough....... It fired up, not done hardly any work. It's nice and quiet and powerful to use....... cheers speedy don't be afraid to ask............
........................Keep your blades sharp......................