CBR 954RR 2002 - 2003 - CBR 954RR Forum

CBR 954RR hard start when hot

  #1  
Old 05-01-2018, 02:35 PM
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Default CBR 954RR hard start when hot

I just don't understand why my bike gets hard to start when the temp gets to 216 or 220 Fahrenheit. The fan kicks in when it reaches the requires temp, the radiator has been flushed, coolant administered yet this problem rears its ugly head , water pump is working too.

Could it be the ignition having issues ? Any ideas or experienced advice will be appreciated.
 
  #2  
Old 05-04-2018, 01:32 AM
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Probably the coolant temp sensor. The radiator fan is a simple thermostatic switch, but the ECU needs real temp data from the motor, and that sensor is in the thermostat housing.

Honda part #37870-MBG-003.
 
  #3  
Old 05-07-2018, 10:23 PM
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How is fuel mileage? Check fuel pressure regulator?
 
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