Ignition Advancer - What does it _ACTUALLY_ do.

Discussion in 'Australian Motorcycles' started by James Mayfield, Feb 19, 2004.

  1. Have picked up very cheaply a brand spankers (as in still in the blister)
    ignition advancer for my ZX10 (the old one, ie, 1990 model, not the shiny
    new one that I wish it was).

    What I wanted to know, is has anyone had any experience with aftermarket
    advancers? I assume they give you a bit more top-end, at the expense of a
    little bottom end and mid-range. (I also know that they save a bit of
    weight, but come on, it's a ZX10.)
     
    James Mayfield, Feb 19, 2004
    #1
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  2. James Mayfield

    John Littler Guest

    An ignition advancer allows you to advance your ignition timing, if you dont get
    how that could be a benefit and how to set it up maybe you shouldn't be fitting
    one ?

    JL
    (General rule of thumb would be that it's probably not much point unless you are
    making other modifications)
     
    John Littler, Feb 19, 2004
    #2
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  3. James Mayfield

    sharkey Guest

    Yep. This is not a bolt-on-go-faster component by a long shot.
    I mean, you could buy it if you have a dire need to own it, but
    unmodified the bike will almost certainly run best at +0°.

    -----sharks
     
    sharkey, Feb 19, 2004
    #3
  4. Ok, 'cause I was bored yesterday at work, I did some research of my own and
    this is what I found out.....

    Due to emissions & noise control regs etc, stock bikes almost always are
    tuned not to the optimal level (not just timing, but exhausts, jets, etc
    etc).

    This particular ignition advancer will advance the ignition 5 degrees.

    This is supposed to (based on manufacturers claims, and the large amounts of
    personal accounts I found) give better idling, aid in removing the flat spot
    at noise-test revs. At the top end, you actually LOSE a bit of power if you
    don't modify anything else.

    Apparently, if used in combination with free-er pipes, filter, and
    appropriate rejetting, they will aid in increased power (to varying degrees)
    and smoother running right across the rev range.

    Ok, so seeing as at the moment I'm considering fitting just the advancer (to
    start with at least), and seeing as it's a 10 minute job with a total of $10
    in parts (1 gasket) required for the swap, I'm going to give it a go, and
    see how it does. If it's no good, I've lost less than $50. If it helps get
    rid of the 3-4k flat spot, I'll be very happy.
     
    James Mayfield, Feb 19, 2004
    #4
  5. James Mayfield

    Dave Guest

    Dave, Feb 20, 2004
    #5
  6. Yep. (See other post about rejetting.)

    Thanks.
     
    James Mayfield, Feb 20, 2004
    #6
  7. James Mayfield

    Vulture Guest

    Watch (or listen) out for pinging!
    S.
     
    Vulture, Feb 22, 2004
    #7
  8. James Mayfield

    John Littler Guest

    Heheh if it's no good you've lost whatever it costs for new pistons
    and a rebuild (plus remedying whatever the bits of piston did to your
    bottom end)

    If you really must, then crank it forward a degree at a time, test
    ride it gently and then more agressively and listen for pinging.

    I'd be surprised if there's a lot of advantage on an otherwise stock
    bike to advance the ignition, but what the hell would I know <shrug>
    ít's your engine, have fun.

    JL
     
    John Littler, Feb 24, 2004
    #8
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