Question about 1994 Suzuki RF 600 R

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Fuel pump won't power up on 94 rf600r

Need wiring schematic or possible problem. am getting power on 2 of the 4 wires into fuel pump. new fuel pump installed. not the problem. starter relay clicks when key turned on. fuses ok. are there supposed to be 2, 30 amp fuses in block that both battery cables attach or is one a spare fuse. thanks.

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  • www_acbrooks May 11, 2010

    i have a 06 suzuki katana and it keeps cutting off i have to keep the choke on to ride



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Hi and welcome to FixYa,

On most Suzukis with fuel pump that I have worked on, the wiring would be:

  • Yellow/Green - start interlock, connected to the clutch lever position switch and/or starter control relay;
  • Black/White - ground;
  • Orange/Yellow - ignition B+12; and
  • Black/Yellow - trigger pulse, connected to the - terminal of one of the ignition coils and/or to the CDI/igniter.
Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Posted on Nov 28, 2008


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1994 Suzuki RF 600 R only runs with the choke on

Hi, Rodrigo and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low or too high.
9. Air/fuel mixture screw set too lean.
10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
13. Faulty auto choke or wiring connection.
For more information about your issue and valuable "Free" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Suzuki 1994 RF600R Service Manual

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1 Answer

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I understand you are looking for the schematic but it's going to be hard to located.
As your are waiting for the schematic,I recommend you to start checking for damage on the electrolytic capacitors inside the Power-train Control Module.
Here are few sample pictures of what your need to look for. These are not the actual pictures of your TCM.
Look for sign of leaks on the base of these capacitors. The leak will be on the circuit board. mustgo_25.jpg

Also look for top of the capacitor. A failing and failed capacitor will be CONVEX outward. mustgo_27.jpg
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I hope some expert can come though with the schematic but checking all capacitors for damage is a good start.
Please keep me up to date on the repair and upgrade via email.

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