petrol smell through exhaust and fuel efficency fell down

Old Jan 4, 2014 | 06:55 AM
  #1  
Manoj Cys's Avatar
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Default petrol smell through exhaust and fuel efficency fell down

recently my cbr250r got a starting problem,service center guys checked everything ,cleaned fuel filter and atlast solved problem by changing the whole key set becausse zener diode connection lost.but now i am getting fuel smell through exhaust and fuel efficency fell down drastically.
what may be problem??
o2 sensor
or
fuel injector
or
spark plug
or
engine components ???
 
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Old Jan 4, 2014 | 08:51 AM
  #2  
74demon's Avatar
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Fuel pressure regulator?
I'm not that familiar with the 250....
 
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