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thebrittishguy

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Posts posted by thebrittishguy

  1. still the same.........

    flat side of the needle is facing the motor. i don't know why it fires up but stalls immediately.

     

     

    the bike seems quieter because the accelerator cable was holding the carbs a bit higher in the previous video, I have taken the cable off and put the slides only on the idle screws for this video.

    I have also put the original coil and wires on and it does the same. So it’s not the Nology coil or hot wires.

     

    I have done a leak down test and it holds 6psi all day long.

    I’m really stumped

  2. hi all,

     

    i have put together my 4 mil finally and have done a leak test and its all good.

    i have a strange starting problem though, see the video below

     

    it wants to start but dies, no amount of throttle will keep it up.

     

    i have lectrons and have set them according to Dennis Packard which should be correct.

     

    what do you think the problem could be or what can i try?

    compression is perfect (115psi @ 5000ft), spark perfect (nology coil & hotwires)

     

    i can kick it like that all day and it will keep doing just that all the time till the pipes get warm but it wont stay on...

    thanks in advance

  3. thanks cattledog, that is very kind of you.

     

    i have had a reply from Dennis Packard, i will post it below incase it helps anyone and id also be interested to see what FBG has to say.

    Dennis Packard on my setup and tuning- I would recommend 4-2 needle and setting the needles at 51.8 MM. This measurement is taken from the tip of the needle to just off of the side of the brass insert on the bottom of the slide. So, in other words, you need to be on the gray colored slide material in arriving at the measurement. I don't know what kind of ajustment system you have for the power jets. If it is a fixed power jet with interchangeable Mukine pilot jets, for your altitude, I would start with a number 30. Because of your altitude (6000 ft), you will probably need to lien the needle from the 51.8 setting by approximately 1/2 turn. That means by turning the needle in the fully extended position 1/2 turn counterclockwise. Remember, the flat part of the needle always has to be facing the motor. This is achieved by pushing the needle in with your fingers and turning it to that position. In doing this, it doesn't change the tuning because the whole mechanism internally spins.

     

    all mods are in the first post above - everything i know anyway :-)

    will get back to you on the tire sizes.

     

    thanks all for the help, really nice to have decent people willing to lend a hand

  4. thanks for the reply! Lectrons in South Africa are non existent, no-one knows about them which makes support or supplies rare and difficult. (yet rare which is why i want them!)

    i have sent Dennis a few emails as well as the guys from FGB (sales) with no reply as yet.

     

    thanks again and i hope to get more feedback to steer me in a direction.

  5. Hi

     

    I have a set of 38mm Lectrons from fast by gast that I bought off "tz racin" I believe it has a power jet or dial a jet

    lectron-38mm.jpg

    I need help getting the correct needle for my setup please.

     

    As I’m based in South Africa I want the best chance of getting the correct needle first time rather than having to purchase multiple needles when there is only 1

     

    Please see my setup below and recommend which needle I should get.

     

    4mm 115 Hotrod crank trued and welded

    Set of Rocket R2 pipes

    38 Lectrons Fast by gast with

    Dyna-tech FS Programmable CDI

    Adj timing plate set to +4

    Vforce 2 Reed Valves

    4mm dune port cylinders 65.5mm

    Pro Design Coolhead (19cc custom cut for 4mm port)

    Tors Removed

    Air box lid off

    Snorkel off

    6000 ft above sea level

     

    If you need any other info, please don’t hesitate to ask.

    Any help will be much appreciated, thank you in advance.

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