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Thread: Throttle body sync

  1. #1
    Jussi
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    Throttle body sync

    Lads
    I have been planning to get the old lady to CO/sync maintenance, however, i have access to carbtune. On my older bikes i had always taken care of the sync my self, but Mille is new to me in this way.

    Is the AXONE required or do i get satisfactory result with Carbtune?
    Is there vacuum ports ready accessible in Mille?

    Recommendations?

    Cheers

  2. #2
    Superbike Twin
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    As you rightly said its a CO gas balance that needs set but that's not always the same as the vacuum levels.

    You need to do it on a exhaust gas analyser and adjust the mixture to balance them. Once this is done you will probably find that the vacuum readings are balanced anyway but the gas balance takes precedence as you can hypothetically end up with nearly balanced vacuum levels but way out gas levels. Just re-read that and its very confusing, sorry. So in short, no the carbtune won't do.

    As for the levels, on spoonz (the guru) recommendation i had mine set to 3.5% and it fuels very smoothly.

  3. #3
    BB1000
    Guest
    what he said

  4. #4
    Jussi
    Guest
    I will have to give the local workshop a call tomorrow ans how much is the CO levels and the tb balancing.

    Dunno how strictly they adhere to Aprilia instruction, but I read that 3,5% works well.

    Then after that a dyno run... to get rid of the 5000rpm "ditch"

  5. #5
    One Liter Duc Eater RSV_Ecosse's Avatar
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    As far as I am aware, it's only the later model RSV's that need the Axone plugged in ( Your's is an '02, yeah? )

    TB sync details here :-

    http://www.geocities.com/sl_mille/synch.html

  6. #6
    Superbike Twin
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    yea you don't need the axone just an EGA, it shouldn't take long, probably half an hour so i wouldn't expect to pay more than an hours labour.

  7. #7
    Jussi
    Guest
    What is EGA?
    That link i already found.

    Cheers

  8. #8
    Superbike Twin
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    Ive set mine to 4.5 % as per Griffs recommendations,but aslong as they are the same,your sorted,when mine was dynoed they were set to 4%

  9. #9
    spoonz
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    It may depend on which chip you have etc but Gabro, Af1, evo etc all say 3.5% with maybe rear cylinder at 4% if you do a lot of traffic work (rear cylinder runs hotter)

    Post 04 bikes you can't determine the overall Co level just the balance.
    Most end up around 4% with aprilia guidlines 3 - 4% on Map 2
    There is also nearly always a stagger in the vac after setting Co

  10. #10
    Jussi
    Guest
    I agreed a time with workshop on 3rd of Jun.

    Furthermore adjusting the power curve is Powercommeander a must or can the power curve be adjusted with Milles own ecu?

    Second job is to get rid of the "ditch" around 5000rpm.

    Cheers

  11. #11
    One Liter Duc Eater Sabre's Avatar
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    Quote Originally Posted by spoonz View Post
    It may depend on which chip you have etc but Gabro, Af1, evo etc all say 3.5% with maybe rear cylinder at 4% if you do a lot of traffic work (rear cylinder runs hotter)

    Post 04 bikes you can't determine the overall Co level just the balance.
    Most end up around 4% with aprilia guidlines 3 - 4% on Map 2
    There is also nearly always a stagger in the vac after setting Co
    Ive recently set mine to 3.5 front and 4 rear and it runs very well. It has smoothed out the throttle snatch from closed
    to small openings - like when negotiating a small roundabout - in the wet!!!

    And furthermore.......... Id like to say what a pleasure it is to read such a word as furthermore

  12. #12
    Jussi
    Guest
    Sorry mate I am not a native speaker, however, I will try to improve

  13. #13
    DrRossi
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    Quote Originally Posted by Sabre View Post
    Ive recently set mine to 3.5 front and 4 rear and it runs very well. It has smoothed out the throttle snatch from closed
    to small openings - like when negotiating a small roundabout - in the wet!!!

    And furthermore.......... Id like to say what a pleasure it is to read such a word as furthermore

    How did you keep you're idl down?

    Edit. oeps thougt you were talking about the bypass screws!

    Cheers Alain

  14. #14
    One Liter Duc Eater Sabre's Avatar
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    Quote Originally Posted by Jussi View Post
    Sorry mate I am not a native speaker, however, I will try to improve
    Your English is very good, I wasnt trying to take the p*ss it genuinely made me smile as good use of English

  15. #15
    Jussi
    Guest
    It`s the official language that sometimes gets trough.... I was not pi..d off

    Cheers

  16. #16
    Super Garvey Garvey2003's Avatar
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    see you guys are doing it again! bloody talking about strange things! tb's EGC, Axone etc! what the hell are you guys talking about!

    I haven't a clue and I know mine needs doing so gonna get the guru Griff to sort mine out

  17. #17
    One Liter Duc Eater w00dzy's Avatar
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    How do you read he gas balance? I only have a carbtune

  18. #18
    Superbike Twin
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    Quote Originally Posted by w00dzy View Post
    How do you read he gas balance? I only have a carbtune
    With an EGA, (exhaust gas analyser) with the probey things in the take off points on the exhaust headers.

  19. #19
    One Liter Duc Eater w00dzy's Avatar
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    Where do I get me one of those? Anyone got one that can be leant other? Are they expensive?

  20. #20
    AMA Pit Boss
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    Not cheap or easy to come by as they need connecting to the take offs on the header pipes. The best option is to see if you can get to Griff or even better drum up enough interest and get Griff to come to you.

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