Author 2006 CBF 1000A Starter or rectifier?  (Read 3163 times)

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  • Offline marky99925   ie

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    Offline marky99925

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #10 on: 03 February, 2024, 12:55:41 pm
    03 February, 2024, 12:55:41 pm
    Hi Paul
    Reading over the whole thing, the guys with far better knowledge of electrics than me seem to be coming to an agreed view that it's a poor connection, especially in view of the sparks episode.
    might as well disconnect, clean the connections and do them up properly, if nothing else you will have ruled something else out. (sorry if you've done this and i've missed it).
    Totally agree, crawling and bending in a confined space is a bloody nuisance, oh for my old double garage.....

  • Offline Art   england

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #11 on: 04 February, 2024, 11:27:20 am
    04 February, 2024, 11:27:20 am
    This is without doubt a starter circuit voltage drop issue and the more I read the more I'm sure the voltage drop, as observed by Mrs BEZ1951, is most likely being caused by a poor connection, most probably the +12v connection to the starter motor.

    Check, double check and to be sure to be sure, check again:
    1) The battery voltage at rest is good (greater than 12.6v)
    2) The battery voltage when the engine is slow cranking and failing to start is good (greater than 9.5v)

    The two prime suspects for starter circuit voltage drop faults are the battery and the wiring/connections, these need to be proven to be good (or bad) before moving the diagnosis on to other things such as a starter relay switch or a faulty starter motor.

  • Offline BEZ1951   gb

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    Offline BEZ1951

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #12 on: 04 February, 2024, 12:24:28 pm
    04 February, 2024, 12:24:28 pm
    Hi,
    I spent most of last night damp & freezing half to death sorting out my 2006 CBF 1000 ABS
    I checked everything possible again and again and an hour ago it started like the wonderful machine it is.
    Not exactly what I did right but it starts again.
    Now 12:20 pm on Sunday with only the seats to put back on.
    I would like to thank everyone who posted advice to help me.
    I was quoted 60 per hour + VAT = 72 an hour and was assured it would be a 4-6 hour job.
    So satisfied with what I and everyone out there accomplished. My face hurts with smiling.
    Once again, thank you.
    BEZ

  • Offline Art   england

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #13 on: 04 February, 2024, 12:29:19 pm
    04 February, 2024, 12:29:19 pm
    Happy days

  • Offline marky99925   ie

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    Offline marky99925

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #14 on: 05 February, 2024, 04:39:57 pm
    05 February, 2024, 04:39:57 pm
    Well done Bez, there's nothing like that satisfaction of getting there yourself , i always remind myself of this when at the point of suicide with some job or other!
    Add to this all the stuff you've learned and best of all, the smug grin as you push home the wheelbarrow of beer the saving on the dealer quote paid for.

  • Offline keithriley   gb

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    Offline keithriley

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #15 on: 06 February, 2024, 01:16:53 pm
    06 February, 2024, 01:16:53 pm
    Winner winner, chicken dinner. Two chicken dinners with that amount of saving,  :047:

  • Offline YDraig

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #16 on: 12 February, 2024, 01:18:36 pm
    12 February, 2024, 01:18:36 pm
    I've recently started mine after a prolonged lay off - partly weather partly illness on my part.  Thing is when it was parked up, I wasn't intending to leave it like that.  Probably had supermarket E10 in it and only half a tank at that. One new battery later which may have been unneccessary and several charges and it eventually started, greeting me with clouds of smoke. Indication from that is bad fuel - water absorption/gelling etc.  Ran it long enough for the fan to kick in, turned it off and recharged the battery for good measure.  Going out the next day it started first push of the button and ran without issue (straight to the garage and topped up with premium e5 (likely e0) and a shot of redex and took it for an 80 mile blast - :D.  Ran fine with no engine issues under load and at speed.  So never discount bad fuel after a lay up.

  • Offline marky99925   ie

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    Offline marky99925

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #17 on: 12 February, 2024, 03:44:24 pm
    12 February, 2024, 03:44:24 pm
    Here in Ireland its all E10 cant find E5 for love nor money, E5 is everywhere in Spain and Portugal and i always use it when touring.

  • Offline Art   england

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #18 on: 12 February, 2024, 03:55:29 pm
    12 February, 2024, 03:55:29 pm
    Nothing bad in supermarket fuel, I've been filling up with Asda and Tesco E10 since forever and have never had a problem with it. This time of year (UK winter) I'd suspect a combination of condensation and a partially discharged battery.  Even during Covid lock down when my motorcycle was left standing for the best part of 6 months, I checked the battery the night before and because the level of charge was at 12.4v I put it on the Optimate overnight, in the morning after a couple of cycles through the flooded engine start routine to clear out any the condensation build up the engine fired up on the first attempt.

    If you leave a motorcycle laid up for any length of time, especially during the winter, expect a condensation build up in the combustion chamber and inlet manifold. Best practice to save the battery is to go straight into the flooded engine routine (full throttle, 5 second crank, 10 second pause, repeat 2 or 3 times) this blows any condensation out through the exhaust, and yes, when the engine fires up you will see white exhaust fumes which is evidence of a condensation build up not moisture contaminated fuel.
    Last Edit: 12 February, 2024, 03:58:57 pm by Art

  • Offline marky99925   ie

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    Offline marky99925

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    Re: 2006 CBF 1000A Starter or rectifier?
    Reply #19 on: 12 February, 2024, 04:13:13 pm
    12 February, 2024, 04:13:13 pm
     :028:
    Flooded engine routine should be compulsory learning for everyone, sorted me out first time recently.