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  1. #1

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    Timing on a 15f SC

    Does anyone now the correct timing on a kawasaki 15 SC H trim?


  2. #2

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    And the correct vale adjustment is standard ok?

  3. #3
    Timing chain is per service manual. All the timing adjustment are done inside the modified ECU and I dont think anyone knows that.

    Do not use timing advanced plate with the H-Trim ECU.

  4. #4
    dawson's Avatar
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    rober are you talking cam timming or ignition timming ?
    i have done some cam testing on the dyno with both h and g trims
    so may be able to help you out if that is what you are after
    if you are chasing a ignition timming map from the riva ecu dont bother its junk better off with a programable ecu like a motec if you are sereous about making real hp...

  5. #5

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    Im rebuiliding my 15f sc engine for this new year, i just put carillo rods, pistons and everything new. I was thinking in adjusting the chain a bit difrent.
    Dawson what cams are you using ?
    Skips why should i not use advanced plate i had it ready to instal it.?

  6. #6
    dawson's Avatar
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    rober skips is corect DONT use the advance plate on the h trim all teh mapping should be done correctly in the ecu
    you do have a h trim ecu correct not a g trim ??
    the g trims ecu on a h trim run real lean at part throttle even with a 35 tooth pully and are boarder line at wide open.

    if you are running the decompression plate under the cylinder still that will put you at 9.6:1 comp that plus 6 deg or so of extra timming you will burn a hole straight through the top of your nice new pistions.

    i would strongley sugest getting rid of the riva ecu and fitting a motec M4 or M400 if you are closed course racing

    when i rebuilt my engine from a riva g trim built engine to my own set up H trim running Motec i picked up 96hp (peak) plus bags of torque.
    if you want a hand e mail me [email protected] and i will give you a hand and put you on to the guys at motec if you want to go that way.
    Last edited by dawson; 01-27-2009 at 11:34 PM.

  7. #7
    pete71's Avatar
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    +1 piss of the riva ECU it is junk. run an aftermarket system

  8. #8

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    I have H trim but my Ecu is not riva its a factory kawi Ecu 004 serial number. Anyway i should not use the advance anyway.

  9. #9
    dawson's Avatar
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    what size pully are you running and what what boost are you getting ?
    where are you measuring it at?
    where did you get the ecu from ?

  10. #10
    The Riva ECU was fine for me Pete, how much better dose your after market ECU run?

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