Sym GTS 250 Service Manual page 237

b). Abnormal injector condition: The injection spray will be narrow, with poor nebulization
(As shown in Figure 22)
Figure 22. Bad nebulization- abnormal injector
5). Abnormal phenomenon and treatment:
a). Electrical resistance value NG → Injector abnormal, replace with a new component.
b). Bad Injection system integrity- there are several possible causes:
Congested injector → replace with a new injector
Insufficient fuel pressure → Check the fuel pump system and reconfirm the fuel pressure
***When checking the fuel injector integrity, the fuel injected MUST be collected with proper
container to avoid possible danger.
10 Crank Position Sensor
1). Picture illustration:
afterwards.
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