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Description of the fuel injection-ignition system
The engine control system (ignition and injection) relies on several sensors which correct mixture
strength according to air pressure and temperature and engine load. An absolute air pressure and
temperature sensor (4) -onto headlight support RH side- takes atmospheric pressure values and sends
them to the ECU for necessary correction of injected fuel if riding on variable sea-level roads. It also
allows the ECU to correct mixture strength according to air density. (Assuming that air volume is
unchanging, if temperature is higher oxygen content will decrease, whereas it will increase if
temperature is lower.
If temperature is higher, mixture should be leaner; if lower it should be richer for best air-fuel ratio).
A lambda sensor (5) is fixed to the exhaust pipes, and it governs air-fuel mixture control system.
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