Honda CBR600RR '03 Service Manual Chapter 06 - Fuel System

Specifications and Main Features

  • The engine throttle for all the states excluding California is GO63C and for California GQ63B.
  • The difference in vacuum for the starter valve is 20 mm Hg.
  • The throttle synchronizing base is synchronized by the number 3.
  • It stays at an average of 1300 RPM with a variation of + or - 100 RPM.
  • The grip used in this throttle has a tolerance of 2 to 4 grams.
  • The sensor has a resistance level of 1 to 4 kilo-ohm at temperatures such as 20c or 68f.
  • The coolant coolant level at a temperature of 20c or 68f has a resistance level of 2.3 to 2.6 k-ohm.
  • The fuel injecting has a secondary and a primary level which are 105-145 O and 105-145 O respectively.
  • For the PAIR control the room temperature has a resistance of 20-24 O at a temperature of 20 C and 68 F.
  • The pulse used in the camera generator has a peak of 0.7V at a temperature ranging from 20c to 68c.
  • The ignition used with the pulse generator has a vast range of 0.7 V at minimum level with 20 c to 68 c.
  • During idle the manifold pressure ranges between 150-250 mm Hg.
  • The idle pressure required for fuel is 3.5 kgf/cm2 or 343 KPA around 50 psi or around 6 psi.
  • If powered by 12 v the fuel pump will flow a whopping 189 cm3 or 6.7 Imp oz at 10 second intervals.

Frequently Asked Questions

Q: What type of fuel injection system does the device use?

A: The device employs a programmed fuel injection known as the PGM-FI type.

Q: What is the idle speed specifications for the engine?

A: We expect the idle speed to be around 1300 with a possible deviation of 100. Response expectation for the idle speed has proven to be effective over time guaranteeing renovations where needed.

Q: What are the methods in which I can check the resistance of the intake air temperature sensor?

A: The resistance of an intake air temperature sensor should have a value between 1 to 4 kΩ at an ambient temperature of 20oC/68oF.

Q: pertaining to fuel, what is the guidance provided for nominal fuel pressure at an idle state?

A: The guidance is to maintain a fuel pump pressure of 343 Kpa at an idle state (3.5 kgf/cm², 50 psi).

Q: In the scenario where I suspect that a fuel injector has malfunctioned, how can I perform a check to be more sure?

A: There are various methods of diagnosing a fuel injector fault; in this case checking resistance and voltmeter diagnostics done at the connector of injector are essential. Proper resistance values of the primary injectors are to maintain between 10.5-14.5 ohms.

Q: Which tools do I need for the process of inspection of the peak voltage?

A: There are various tools required; in this case the key tools are a peak voltage adaptor and a digital multimeter, however with a minimum impedance of greater than 10 MΩ/DCV.`

Q: Why might an engine show reluctance in starting or what diagnostic checks can I make?

A: There are plethora of reason due to which the engine does not start, but in order to narrow down the issue diagnosis can be done to check if there are common faults example fuel line blockage, checking the fuel pump, etc.

User Manual

Honda CBR600RR '03 Service Manual Chapter 06 - Fuel System
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