Fifth Generation 1998-2001 (is it true?)

Discussion in '5th Generation 1998-2001' started by Dainius_M, Oct 15, 2008.

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  1. Dainius_M

    Dainius_M New Member

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    Any suggestions?
     
    Dainius_M, Feb 19, 2009
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  2. mello dude

    mello dude Administrator

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    Is the temperature reading somewhat correct while riding down the road?

    MD
     
    mello dude, Feb 20, 2009
    #82
  3. Dainius_M

    Dainius_M New Member

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    Sorry, there very cold and winter and I can't ride it on road...
    I have tryed to lift VFR on center stand and start engine with gear on... I try to do like motorcycle riding... but in display sensor while heating it not rising... But when I;m trying to cold it temperature falling...
    Can be that temperature not rising because I'm not ride motorcycle in real. Do I have ride it. How sensor works?
     
    Dainius_M, Mar 2, 2009
    #83
  4. soundmaster31

    soundmaster31 New Member

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    Are any of the wires shorting out somewhere? Are all the connections clean and good? Nothing is wired backwards? Correct part numbers for the correct bike?


    How's the condition of the battery/charging system?

    Take off the fairings and remove the sensor from the clip and see if you can change the temperature with your hands, heat pad, or ice pack?


    This is just so bizarre. Maybe you've had TWO bad sensors. I have no idea.
     
    soundmaster31, Mar 2, 2009
    #84
  5. Dainius_M

    Dainius_M New Member

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    everything ok everything correct checked twise...
    Do You can to heat up your air temperature sensor while ingition is on but engine not running? Are in display temperature rising while heating?
     
    Dainius_M, Mar 2, 2009
    #85
  6. soundmaster31

    soundmaster31 New Member

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    I'll check right now, gotta get some warm clothes on. -14C in my garage right now! BURR!
     
    soundmaster31, Mar 2, 2009
    #86
  7. soundmaster31

    soundmaster31 New Member

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    Ok, just checked my temperature sensor. When I have it set to "AIR" I can hold onto the sensor and the dash will show that the temperature is increasing. As soon as I let go, the temperature begins to decrease. This was all done without the bike running. The ignition was only turned to the "on" position.


    Keep in mind my ambient temperature outside was 6 degrees Fahrenheit when I did this.

    Here's the location of the temperature sensor indicated by the green laser pointer: looking at the right side of the bike with the Right Lower Fairing removed.
    [​IMG]

    Here's a picture from inside the front wheel well at the actual position of the sensor:
    [​IMG]

    Here's me holding the temp sensor to "warm it up". I removed it from the bracket and held it between my fingers:
    [​IMG]

    Resulting Temperature:
    [​IMG]

    Picture showing temperature after letting the sensor "cool down" aka letting go of it.:
    [​IMG]

    Picture verifying cold engine temperature(my clock is off btw, did this late at night...err early morning):
    [​IMG]
     
    soundmaster31, Mar 2, 2009
    #87
  8. Dainius_M

    Dainius_M New Member

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    Very thanks... Why not rising mine... :(
     
    Dainius_M, Mar 3, 2009
    #88
  9. soundmaster31

    soundmaster31 New Member

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    You must check out your Regulator/Rectifier. If it's faulty, it can cause ALL SORTS OF PROBLEMS that are electrical related.

    Check out this guy(the fan is my custom cooling job :wink::
    [​IMG]

    If the number on the top of it says "SH689DA" it is a newer OEM unit and should be fine, however you still need to check the condition of the wiring to it for melting/burn marks. You also need to check that the bike is charging the corrected voltage according to specs in the manual.

    Number on TOP of R/R:
    [​IMG]
     
    soundmaster31, Mar 3, 2009
    #89
  10. Dainius_M

    Dainius_M New Member

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    ok, I will check that You said.
     
    Dainius_M, Mar 3, 2009
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  11. Dainius_M

    Dainius_M New Member

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    Hello, I'm checked charging. It's correct voltage according to specs in the manual.
    Also I'm checked my Regulator/Rectifier. Wiring condition is good and there are not any burn marks. My Regulator/Rectifier number is SH579C-12, but I don't think that problem are with it. I think that problem are with this microchip, maybe some detail burnt-out and the dash can't display temperature rising...
    [​IMG]
     
    Dainius_M, Mar 3, 2009
    #91
  12. soundmaster31

    soundmaster31 New Member

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    I believe that is the original rectifier number...but I am not sure.

    Has your clock or trip odometer ever reset itself randomly without the battery going bad? If they have then it could still be the R/R. They've been known to only act up when they over heat, so the testing may give false positive results.

    Do you know anyone else who has a VFR near you? maybe you can swap dash parts and see if you have the same problem still?

    If it is something to do with the PCB wiring then that's going beyond my scope of knowledge and can't help you.
     
    soundmaster31, Mar 3, 2009
    #92
  13. Dainius_M

    Dainius_M New Member

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    No, It never reseted itself. I don't know anyone who has VFR... maybe one, he is 250km from my place...
     
    Dainius_M, Mar 3, 2009
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  14. soundmaster31

    soundmaster31 New Member

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    weird.....
     
    soundmaster31, Jun 17, 2009
    #94
  15. Dainius_M

    Dainius_M New Member

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    Hello again problem with my vfr 800 2001. My trip odometer or clock reset it self and I can't start my engine when it hot, but it happened only two times in this season... what You suggest? My engine start when I conect spare wires from my car battery... batery charging good same as in manual...
     
    Dainius_M, Sep 17, 2010
    #95
  16. horseiron1

    horseiron1 New Member

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    How old is your battery?
     
    horseiron1, Sep 19, 2010
    #96
  17. Dainius_M

    Dainius_M New Member

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    Battery = Storm FTX12-BS
    Can't find when it made, but I bought bettery at 2008.06.06 and there where 6 month guarantee.
     
    Dainius_M, Sep 20, 2010
    #97
  18. Dainius_M

    Dainius_M New Member

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    What sugestions??
     
    Dainius_M, Feb 5, 2011
    #98
  19. tinkerinWstuff

    tinkerinWstuff Administrator Staff Member

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    Language barrier makes it hard to fully understand the symptoms you are experiencing.

    I know on my 3rd Gen. I had corrosion and bad connection with the stator connector. Once in a while, the bike would not charge and leave me stranded. Mostly when hot. Basically once it got hot, the connection deteriorated enough that it quit charging. Once it cooled off, it would charge again.

    I cut the old connector out and soldered in my own connection. Have had no further problems.
     
    tinkerinWstuff, Feb 5, 2011
    #99
  20. John451

    John451 Member

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    The '98/'99 Gen 5 original RR is SH579A11 which was superseded by the SH689DA, the '00 / '01 Gen 5 Mk2 had a SH579C-12 which I don't thinks been superseded and is much better than the '98s SH579A11 was ( though not to say his isn't failing ) . My original SH579A11 RR went doolally a few years ago on a 105f day in heavy traffic taking the battery with it but SH689DA with Yuasa YTX12-BS has been rock solid since.



    "Dainius_M" you may like to check out the UK VFR sites Gen 5 R/R FAQ by Odie:
    '98 VFR800FiW and '99 VFR800FiX Battery and Charging System Faults - Honda VFR Club
     
    John451, Feb 5, 2011
    #100
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