Fireblade problems

Discussion in 'Mods, Upgrades, Accessories and Products' started by Warren, Mar 28, 2015.

  1. Warren

    Warren New Member

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    Got a problem with your Blade post it here and see if anyone can help :)... I'll start!!

    My mate has an 02 954rr which had a PC3 installed when he bought it. It was rough at idle, and when riding it really is crap until 3000rpm when it picks up and pulls like a train.

    Previous owner reckons he never had it on a track, but the tyres told a different story and I reckon he messed around with the mapping. Anyway - we figured seeing as a Power Commander can't actually remap the ECU (it alters the signal the ECU sends out) if we just took the PC3 out it'd give us a standard bike back.

    No change however, still shite below 3000rpm and sounds like a tractor around town. Fuel regulator has been replaced, and the timing has been checked.

    Any ideas would be greatly appreciated ;)

    Problem Solved:

    If anyone else has similar symptoms, this one was due to a split in the wiring loom from ECU to injectors which was causing a short and interfering with the signal from the ECU :)
     
    #1 Warren, Mar 28, 2015
    Last edited: Apr 16, 2015
  2. sps170373

    sps170373 Moderator
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    What exhuast is it running? Also does the exhaust valve turn if still fitted could be possible reasons, also what air filter? Couple of things I would look at
     
  3. Cbrjay

    Cbrjay Well-Known Member

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    Do they have 2 sets of injectors? One for low revs and one for higher?
     
  4. Warren

    Warren New Member

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    Hi, thanks for the reply - not sure what make the exhaust is but it's a high side rather than a low stubby... apparently the HTEV was replaced today, and the air box is standard and hasn't had any mods done to it
     
  5. Warren

    Warren New Member

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    Hiya - have no idea mate, not very mechanically minded I'm afraid... he has a brother-in-law who's a mechanic and has serviced the bike and checked a few things. I said I'd ask on the forum for some ideas, that's about as good as I get I'm afraid! I will put that question to them and ask though, thanks ;)
     
  6. scooby

    scooby Elite Member

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    sounds like a weak or mis firing plug to me,had it happen a few times with similat symptoms.change the plugs and see what happens.
     
  7. Warren

    Warren New Member

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    Hi Scooby - bike was serviced yesterday, plugs, oil & filter... still no joy :(
     
  8. And7rp2

    And7rp2 Elite Member

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    They really don't like exhausts ! After market ones have to be the same length ,ie link pipe & can
    Had a 954 do the same thing , only exhaust that worked was standard or akrapovic.
     
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  9. Warren

    Warren New Member

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    Thanks chap - I'll tell them to look into that... I've got a full Yoshi on my 954 and that runs fine - the link pipe thing is very interesting ;)
     
  10. desi1

    desi1 New Member

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