Maintenance & Technical > KX500 Original
What wrong no power I think??
cobrasvt:
Hi everybody I'm new here.Sorry for my english I speak french.Ok I buy a 2001 kx 500 an a have a new rebuilt crank and top end.I have boyesen radvalv(new) full fmf gnarly pipe and a E-LINE stator.I m running 175 mainjet ,58 pilot ,3rd clip.I run 15-47 gearing on mid-hard terrain an run 85mph.An today 15-43 an only 89mph.Since the beginning I think this bike is not as is well.Any body can help me?Every body tell this his a monster when they see the bike but I m not sure of that .I think the powervlve work good I chek it it the cover off an the rod seem to work when I turn the gas on at neutral.I m not''mecanik man''Thanks
dsrtrider:
it may help if you explain the following:
1) do you ride motocross or trail riding?
2) what specifically do you mean that it isn't running right (speed, jetting, power)? what is happening that you don't like?
stock gearing is 14/47. you have it geared for fast desert type riding
My daughter speaks some french so if you need to email using some french i can try and have her interpret for others on this thread.
cobrasvt:
1-trail riding,beach, no mx track
2-jetting is not perfect but just on low end it is not my main problem but Top speed if I compare to some research on the site that supose to be a plane with 15-43 is me problem:?like +100mph no?? That's what I don't like 89mph with a gps is ok or not?Maybe the trouble is in my head :lol:
I think I m not to bad in english but if it's bad tell me.Thanks guy and a really like this big 2 stroke but what more :evil:
dsrtrider:
for jetting go to http://www.teamgreennews.ca/en/techside_settings.html
Baja racers use to use 16/42 gearing and they could go somewhere around 115mph. i have seen other desert racers using your same setup. their engines had porting and head mods to pull the taller gearing. maybe the taller gearing is to hard to pull in the sand.
i will let other desert racers comment on their sucess with pipes and gearing. i use a 15/47 but i am not looking for as much speed as you are.
cobrasvt:
whats is your topspeed whit 15-47?Mine is 85mph
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