SHERCO 250 SE/R Workshop Manual page 59

The system is not able to detect a coil fault when the engine is stopped. Whether the coil is
defective or not, the test result will be identical. During the test, it is therefore important to
check that the coil produces a sound that is characteristic of correct operation.
2 - Injector : not used
3 - Fuel pump : not used
4 - Fan
For the fuel pump, the fan and the stepper (air valve) the test is "standard", and the
fault or normal operation information is relayed conventionally
5 - Engine step-by-step : not used
6 - Valve stop learning
59