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Thread: ESE's works engine tuner

  1. #4021
    Join Date
    20th July 2010 - 07:56
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    RS/KE125, PW50
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    Quote Originally Posted by F5 Dave View Post
    ??? What do you mean by that???
    about sums it up Dave.

    You had me going too Giggles but I see it now, very nice!

  2. #4022
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    25th March 2004 - 17:22
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    Quote Originally Posted by jasonu View Post
    and you told me off for going on about my crank seal. (which you still owe me for...)
    Didn't we trade that off for shots at Ohakune? Besides, you gave me that crank seal if I promised not to beat you in the GP the next day. And didn't.

    Made you work for it though.
    Don't you look at my accountant.
    He's the only one I've got.

  3. #4023
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    5th June 2008 - 17:46
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    slow progress

    Spent the evening nutting out my engine mounts, origional plan didn't quite line up the sprockets well enough. Started by making dummy mounts out of ply and checking it all lined up and had space where space was needed.
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    I have used 12mm alloy plate along with 25mm alloy bar which I drilled out to fit a 10mm high tensile threaded rod. Hopefully I will get away with only the two engine mounts at the rear and not need to make a front mount point as well... (I did find an old post of yours TZ that you had an alloy mount crack at the BOB... what kind of alloy did you use? - by the time I read this I had already committed to using aluminum so will wait and see how long it lasts)
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    Also while looking at the mounting problem last week I came across this little gem. Think the frame was in an accident at some point as the l/h foot peg has also dented the swing arm, that and a bit of bad welding in the first place perhaps.
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    Hope to have a mate help me weld up the crack next week as well as welding the round bar to the alloy plate to help with strength(?) and ease of installation/removal.

  4. #4024
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    17th February 2008 - 17:10
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    Helensville
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    Quote Originally Posted by ac3_snow View Post
    (I did find an old post of yours TZ that you had an alloy mount crack at the BOB... what kind of alloy did you use? - by the time I read this I had already committed to using aluminum so will wait and see how long it lasts)
    then mounts that we had crack and cause trouble are only related to the RS frames

    we are using a radiator mount to hang the frount of the engine off

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ID:	238015this is my fix for the monting point. Ned kelly did it differently
    "Instructions are just the manufacturers opinion on how to install it" Tim Taylor of "Tool Time"
    “Saying what we think gives us a wider conversational range than saying what we know.” - Cullen Hightower

  5. #4025
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    17th February 2008 - 17:10
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ID:	238016here is TZ after he gave my poor little 50 a bit to much in the wet
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ID:	238017but still rode to finish

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ID:	238018I wonder why the caned his life insurance
    "Instructions are just the manufacturers opinion on how to install it" Tim Taylor of "Tool Time"
    “Saying what we think gives us a wider conversational range than saying what we know.” - Cullen Hightower

  6. #4026
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    8th February 2007 - 20:42
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    Dead right a flat torque curve gives a straight line power graph.
    Here is sim of new F3 motor, RZ400 with around 120RWHp, near perfect throttle connection.
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    Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.

  7. #4027
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    12th February 2004 - 10:29
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    bucket FZR/MB100
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    Henderson, Waitakere
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    Quote Originally Posted by ac3_snow View Post
    I have used 12mm alloy plate along with 25mm alloy bar which I drilled out to fit a 10mm high tensile threaded rod. Hopefully I will get away with only the two engine mounts at the rear and not need to make a front mount point as well...
    I used a flimsy mount at the front of my TS100 engined bucket and it vibrated very badly. Tying it solidly to the chassis fixed a lot of the vibration. My experiance says you will need a solid front engine mount to the steering head area.

  8. #4028
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    7th September 2009 - 09:47
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    Quote Originally Posted by speedpro View Post
    Are you blaming crank seals for Taupo blowups??
    No, that was an act of god...

  9. #4029
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    7th September 2009 - 09:47
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    Quote Originally Posted by F5 Dave View Post
    Didn't we trade that off for shots at Ohakune? Besides, you gave me that crank seal if I promised not to beat you in the GP the next day. And didn't.

    Made you work for it though.
    Yes you did so beat me you 2nd me 3rd. That is why I am still harping on about it. My wife says I am obsessive but she says it like it is a bad thing....

  10. #4030
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    25th March 2004 - 17:22
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    Did I? it was so long ago. Ok next time yer over in wgtn I'll buy you some beers.

    Heck I'll even extend that to Wanganui for the boxing day races.
    Don't you look at my accountant.
    He's the only one I've got.

  11. #4031
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    18th May 2007 - 20:23
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    RG50 and 76 Suzuki GP125 Buckets
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    Auckland
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    Filled transfers as suggested by Wobbly.........
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  12. #4032
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    18th May 2007 - 20:23
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    Copper fins and spacer plates.

    Not sure if all this extra cooling is needed but if you are going to make a copper head gasket, it might as well add something to the cooling. Same with spacer plates, you could have a plain old alloy one, or one made up of fins that helps keep heat from the barrel getting to the crankcase and inlet tract.

    In my engines I have been using flat top and concave pistons, and they easily allow the copper head gasket to be brought right into the combustion chamber to form a cooler running squish band. This could be done with domed pistons although it would be little more difficult getting the shape right.

    By using a copper head gasket/cooling fin and an original composit head gasket the thermal barrier of the composit gasket and the extra cooling of the copper allows the head to run way cooler than the cylinder, maybe 60-80 deg C measured near the plug with the cylinder nearer a 100 after an outing around Mt Welly.
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  13. #4033
    Join Date
    18th May 2007 - 20:23
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    Ignitions....... The KX80 flywheel tapers fit the GP/TF/TS/RG crankshafts, the KX125 flywheel taper is too big.

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    Trangular KX80 stator fits with some shims to keep it central. This is a fixed point ignition where the timing is static and has been very successful for us.

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    The round KX80 stator needs some machining to make it fit, the inside needs opening out to fit over the main brg oil seal and the outside needs trimming a mm or so. There is some retard built in, so might not suit every one, but the trigger works well with the Ignitech and the HV charge coil can be re-wound for charging the Ignis battery.

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    We never had much luck with these RM ignitions on our bikes. Spent hours on the dyno with the GP's and RG50's, never got good curves on our engines with them. Get them right at the bottom and they are over retarded at the top or right at the top and the bottom falls apart.

    They are good ignitions but there is to much retard and in the wrong place for us, goes to show that a good curve for one engine might not suit another. The stator is a good looking piece of kit, replace the blackbox with something else or home made and they could be quite good.

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    The SPARKER DC-CDI-P2 race Ignitech Ignition that we use, ava from Wobbly or Ignitech http://www.ignitech.cz/english/aindex.htm

    Quote Originally Posted by bucketracer View Post
    I got the job of setting up NedKellys IgniTech programmable Ignition. This is how I went about it..........

  14. #4034
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    10th December 2008 - 07:39
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    Quote Originally Posted by wobbly View Post
    Dead right a flat torque curve gives a straight line power graph.
    Here is sim of new F3 motor, RZ400 with around 120RWHp, near perfect throttle connection.
    Jesus H christ. That would fuck the 600s too.

    Nice.
    Quote Originally Posted by sil3nt View Post
    Fkn crack up. Most awkward interviewee ever i reckon haha.

  15. #4035
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    10th December 2008 - 07:39
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    Quote Originally Posted by ac3_snow View Post
    I drilled out to fit a 10mm high tensile threaded rod.
    People have probably used it a lot in the past, but I would avoid threaded rod. If it does vibrate inside your mounts, the threads COULD (not saying it will) chew out the ally plates, or chew out the threads. If the latter occurs you are effectively left with about 8mm of steel rod.

    I cut some threads on the ends of some 10mm 4140, to make some STRONG studs.

    Actually I have about 4m of it left at work if anyone wants some.
    Quote Originally Posted by sil3nt View Post
    Fkn crack up. Most awkward interviewee ever i reckon haha.

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