SHERCO 250 SEF-R Workshop Manual page 54

1-Engine information :
Displayed below are the main system values :
Details :
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- Stepper Position: The air valve (stepper) opening value -> 35 < < 75
If the value is too low: there could be an air leak at the engine air intake
If the value is too high: there could be dirt in the injector butterfly area
Note : The correct air valve motor value should be 15mm and 2mm with the motor idling and at
80°C.
-Butterfly position: With the engine stopped it should be 0%: the maximum opening value should
be 100%. If the value is not 0% with the engine stopped it means that it needs to be adjusted.
Perform a system reset several times (Switch the ignition off. Wait until the ECU relay shuts. Put
it on the bike). The pitch should be 0.5%.
-Emergency stop button: the status of the emergency stop button. 0: off, 1: on.
-Engine status: ES (engine ready to start), ST (engine running), IS (engine is at idle), PL
(acceleration), PU (deceleration), PUC (injection cutoff deceleration)
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