Installation is also easy CDI Varro and PnP with the type of motor used. Staying message for the brand and what variants can directly replace the CDI congenital motor. Top speed of the motor will increase due to the RPM limiter be lost.
suggestion
Due to the non-limiter CDI Varro, do not often bring the motor over the motor RPM threshold. Each bike still has a different tolerance RPM. Average safe RPM limit is 10000-11500 RPM. More than that you should be careful on the condition of the piston, valve, handlebar piston, and crankshaft. So take the motor not too often looking for top speed.