Results 1 to 10 of 10

Thread: Carb setup possible?

  1. #1
    Join Date
    3rd December 2010 - 21:37
    Bike
    kdx220 92, suzuki rgv250 88
    Location
    auckland
    Posts
    118

    Carb setup possible?

    hi guys. sorry to bother you again.

    kawasaki kdx 200 around 1990 . aftermarket pipe and reeds.

    had first run on murawai beach. after 10 km , engine died.
    started few times but died same minute.

    engine feels hotter than it should be , same time the radiator is not as hot. there is enough of coolant ....

    spark plug was badly foiled. no spark.

    in dark i could see little sparks going from middle to the ceramic side

    installed new one , started easy but the spark is not as bright as i usually see on my jetski.

    i have concern the previous owner fiddled with the card as he could not start the bike because the reeds were broken.

    question number one - who would you recommend to set up the carb reasonably inexpensive?
    question number two - does radiator have to be same temperature as the engine while running?
    question number three - how bright does spark have to be? is there aftermatket replacement of the igniter?

    thanx a lot.

  2. #2
    Join Date
    2nd August 2006 - 22:17
    Bike
    hopefully bringing something back to NZ
    Location
    Hartford Connecticut USA
    Posts
    4,109
    Q.1 one of the guy on here may be happy to help out over a few beers yah never know.
    Q.2 no idea is radiator keeps engine cool by spreading the head over a greater surface area the resulting effect in (with air flow helping ) is your coolant get chilled before re entering the motor to again soak up more heat round and round it goes.
    Q.3 spark should be able to jump a reasonable gap if is a healthy spark as for aftermarket bit on a kdx no idea

    Q.4 what the hell you riding on the beach for you run risk of tickets etc etc and gives riders a bad name not a good thing unless you have a road legal version KDX
    [SIGPIC][/SIG

  3. #3
    Join Date
    9th January 2006 - 12:26
    Bike
    KX450 Motard/Flat Track KTM150SX H2R
    Location
    Tauranga
    Posts
    4,445
    Quote Originally Posted by glukasil View Post
    question number one - who would you recommend to set up the carb reasonably inexpensive?
    question number two - does radiator have to be same temperature as the engine while running?
    question number three - how bright does spark have to be? is there aftermatket replacement of the igniter?
    .

    1. two best places to take a KDX in Auckland would be Mr motorcycles (us) in pukekohe, or Spectrum on barry's point road, however read below before you do,

    2. KDX's do not really run that hot, the radiators will not get very hot so do not worry about it,

    3. if you can see the spark jump, it is ok, there is not an aftermarket CDI for E model KDX's around, and would not be worth the money anyway,

    what fuel are you running, and what mix? we would recommend 40:1 with a decent syntheic two stroke oil, 91 should be ok, but 95 would be better, this model KDX was known for gumming up the power valves if cheap mineral 2 stroke oil was used, we run Elf, but any well known brand name will do a full synthetic,

    what spark plug is it running, KDX's tend to run best on BR9ES in my experience,

    a one off foul on a new 2 stroke is not uncomman, esp if the fuel had been sitting around for a while, if it does it again, or starts doing it often, then i would start looking into it,


    and as per Barty, stay off the beaches, esp when there is a lot of poeple on them, it does us all no good,

  4. #4
    Join Date
    3rd December 2010 - 21:37
    Bike
    kdx220 92, suzuki rgv250 88
    Location
    auckland
    Posts
    118
    sorry - was not around computer ......

    to barty5

    i really did not know about restriction on beaches.......
    my friend was ill so we were too late for sandpit and went to the beach few km past swimmers.
    there were many dirtbikes/quads by the way.

    to scott411

    how much is the carb setup in your place?
    running 40:1 of 91 with valvoline marine oil
    br9es for sparkplugs
    fuel is fresh

    the engine was much hotter than the radiator. could not hold bare hand next to it for more than 2 seconds.

    will open water pump tomorrow - see if there is impeller still alive )))
    Is there any precautions i need to know about it?

    thanx a lot

  5. #5
    Join Date
    9th January 2006 - 12:26
    Bike
    KX450 Motard/Flat Track KTM150SX H2R
    Location
    Tauranga
    Posts
    4,445
    would recommend something better than marine oil, these bikes run a older school drum type power valve set up that does not like mineral oil that leaves a film around,

    Marine oil is set up for a much different range of conditions,

    there is not magec carb set up, and it is difficult to properly set up a carb in a workshop because you can not put the engine under load, as i said, if it keeps doing it look further,

  6. #6
    Join Date
    17th July 2006 - 13:53
    Bike
    2006 CR250R
    Location
    Gisborne
    Posts
    2,090
    cheap and readily available oil that has served me well for years in bikes is castrol TTS or i think they call it something 2t now.- it retails for about $85 at supercheap for 4 litres, yes i know twice the price of the valvoline marine stuff as used in superjets etc.

  7. #7
    Join Date
    3rd December 2010 - 21:37
    Bike
    kdx220 92, suzuki rgv250 88
    Location
    auckland
    Posts
    118
    Sorry guys for lifting this topic again........
    me and my friend are going to sandpit this saturday or sunday. any of you guys who can try the bike and see if it runs ok going to be there? thanx

  8. #8
    Join Date
    27th August 2009 - 12:15
    Bike
    CRF450 '09
    Location
    Wellington
    Posts
    461
    Quote Originally Posted by barty5 View Post
    Q.4 what the hell you riding on the beach for you run risk of tickets etc etc and gives riders a bad name not a good thing unless you have a road legal version KDX
    Quote Originally Posted by scott411 View Post
    and as per Barty, stay off the beaches, esp when there is a lot of poeple on them, it does us all no good,
    The predjudices you are refering to - even if all the bikes that visited the beach were road legal dual purpose etc. you can guarantee there would be indignant citizens who think there is apparently not enough beaches in NZ for everyone and they should have first rights to it rather than those "devil incarnate" bikers.
    Smoke 'em if you have 'em

    You run what you brung, and pray you brought enough

  9. #9
    Join Date
    3rd December 2010 - 21:37
    Bike
    kdx220 92, suzuki rgv250 88
    Location
    auckland
    Posts
    118
    i thought we established "no beach riding policy" already...
    sounds like i am being bullied
    any output on helping with the fuel mixture?
    thanx

  10. #10
    Join Date
    27th August 2009 - 12:15
    Bike
    CRF450 '09
    Location
    Wellington
    Posts
    461
    Quote Originally Posted by glukasil View Post
    i thought we established "no beach riding policy" already...
    sounds like i am being bullied
    any output on helping with the fuel mixture?
    thanx
    If you have the dosh, I would say take it to a shop and get it sorted out properly straight up, and use the correct 2T oil.

    I had an old bike, used to do bare minimum maintenance or less, and had a few problems during rides which frustrated myself and my friends no end. Got a good bike, do (and will continue to do) the maintenance by the book and it performs right every time.
    Smoke 'em if you have 'em

    You run what you brung, and pray you brought enough

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •