KX Riders
Maintenance & Technical => KX500 Original => Topic started by: brindle on March 10, 2007, 04:08:37 AM
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who is one of the best at it on a kx 500
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i am looking to do some dirt drag racing 3oo ft.
any help and all help need please.
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Brindle,
Eric Gorr at Forward Motion worked over my cylinder 2 weeks ago. I had the upper mid to full throttle works porting with head and piston mods.
Very reasonable pricing. 2 weeks turnaround time.
I followed all the info I could find in this forum relative to fuel, squish clearance, ignition timing, break in etc.
Best info you'll find anywhere. Bar none
Let us know how your bike turns out
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I think that Dordie is the expert on engine work. He ice races and lives in Europe so he is usually on line late at night.
Use the search under the R in the KX Riders Logo at the top of the page. Also look through the Gallery and see what you can find.
There will be more people on later, most of them are riding during the weekend days.
So hang in there and some will assist you shortly! :-D :-D
Welcome to the site! :-D :-D
Alan
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how much power are you after i
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i check the cyclinder comperision before i disasimble the top end
it had 120 lb.
i would like to raise it up
the piston is stock cast type 86mm bore
the cyclinder need bored
how does the big bore kit hold up ? can a fellow by a cyclinder ready to bolt on and go racing
the bike is a 1993 model it is in real good shape
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where are you located?what track do you race at?follow stewarts advise and i also drag and will help as much as i can.the 89.5mm holds up good,depending on your tuneups.
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i am dalton ga.
the track i am going to try to race i at www.durhamtown.com
thay are having a big race at memoriar day.
just doing it for fun but want to run good
went there last weeking and run i out ran everybody i ran
when i got the trash out of my gas.
the track is being worked on they said
it is like a dirt road hard pack not loose like some are tracks are.
looking for more power
can i buy a cyclinder ready to go that is a big bore and do you have to clearance the head for
the piston not to hit are do i need to buy a head to
the youngs guns dont like old men out running them
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you'll do best to have your's done.mike at luke's racing did mine.the head will have to be reworked for size and squish clearance.powervalve will have to be modified also.
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can you tell me how to get it contact if these people i would like to get it going
monday if possible
thanks very mush for all everybodys help
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I tried to call Lukes racing this week. I only got an answering machine that said that they were closed for renovations.
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bike week in fla.
lots are closed
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try emailing mike@lukesracing.com.i'l also call.i have three jobs for him as well.usually i reach him around 6 p.m. eastern or email.
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i called lukes racing this morning they had a recording saying they are reparing there building
i call eric today he said about two weeks to port the cyclinder ,& bore 88mm.& replating it to
is that about right on time two to three weeks
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what year of cylinder are you giong to big bore did you try max power cylinder plating
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i have a 1993 model
i talk to jayson at max power today super nice fellow he said he didn't have any parts
in stock for the kx500
but i did find a big bore kit for my son crf150r there
who has the carburetor i believe it 44 something that you were running
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i have a new 88 mm piston and rings for sale . the carb was a 44 lectron way faster than the pwk 39 or 41 ps i dont run the big bore stuff on any of my stuff only stock 86mm bore
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where can you get a carb like that at ?
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Sudco carries a wide range of carbs. www.sudco.com
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call dennis packard ent buy the carb set up and the throttle assmbly and cable from him
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how do i get in touch with these people
is this a bolt on kit
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I think that Dordie is the expert on engine work. He ice races and lives in Europe so he is usually on line late at night.....
Alan, :oops: :-D 8-)
I?m from Sweden were polarbears walks on the streets and are very friendly! :lol:
BUT this year were a waste of time,no iceroadracing races at all... :cry:
Looking forward soon to Supermotard races though! :evil:
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Sorry Doordie, I could't remember where you lived Norway or Sweden! :-D :-D
I just remembered it was d**ned cold where you lived! He He! :lol:
It was a record 85 degrees here yesterday in El PasoTexas. I think we are going to fry this summer.
Alan :-)
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No problem Alan,we owned Norge for 100 years ago! :-D
Do you like my supermoto friends?
Nr 10 Husaberg 650 Pro Jocke Engst?m 2:a in Swedish Championship
(Maybe WM 2007, 2004 raced KX500 to a 8 place) 8-)
Nr 13 Aprilia 550 Pro Robin Reilander 7:a in Swedish Championship
Nr 7 Aprilia 550 Pro Fredrik Eriksson 4:a in Swedish Championship
They have promised to "help" me how to race Supermoto this year! :evil:
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i saw the new aprilla 550 motard, wow what an impresive motorcycle. the guys at the shop told me it puts out 77bhp!!! that would be fun on the street (for a 4 stroke)
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kx666,sorry to disapointed you a "little" bit! :wink:
I?m involved with my friends tuning of these A... sxv550,they put out in restricted form about 55 bhp and unrestricted with open inlet and changed fuelmap approx 65 bhp.
With new factory pipes and changed fuelmap,ignition and rpmstop at ~12000 rpm,
71 bhp BUT only approx 55Nm of torque,I got 70 bhp/70Nm!
Very easy tuning with computer and a program from Australia,TuneBoy.
A dyno,but not ours with not race allowed GPR pipe on(to much dB):
http://video.google.com/videoplay?docid=4495400094480521641&hl=e
Then my friend Robin Reilander?s with iceroadtires and factory pipes on,he?s remaining Swedish Champion. :evil:
No more talk about this bike ,sorry to say,Italian spaghetti bike!!!! :lol:
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i sent the head and cylinder eric he said it would take about 2 weeks
to port & polish & bore & replate the cylinder & cut the head .
every around here said they would have to send it off to.
they said not eric but othrers said they could bore it to 546cc
with 88 mm. i ask how is that i only got 526
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526cc,stock stroke 86mm and changed 88mm bore.
546cc,changed stroke to 88mm and changed 88mm bore.(less rpm,but more torque).
Must tell you a new inveted thing on that Factory Husaberg,it?s a composite rod to reduce weight and makes about 2000 rpm more than stock! :evil:
(over 70+Bhp and 70+Nm)
Steward,they closing in on us,that fourstrokes! :roll:
It also got the new Magura brake system,the same price for it as mine KX500 I bought recently! :-D :-o
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i wonder if they are getting real hp wheel numbers i think it will be hard for them to get a non supercharged or turbod or nitrus etc. 4 stroke to make the power of a simler size 2 stroke i am not to scared
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Doordie, where are you getting your engine work done on the K5?
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scotscooby,at my home! :-D
Steward,It?s real Backwheel power,I were there.... :-o
Can you again explain how much advance/reduce timing from stock and do you use stroboskop or measure?
Do you ovalbored fitting holes of ignitionplate to get right timing?
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i have ground the timing slots longer towards the advance dirction but found the advance marks from kawasaki to be about 3 degrees and that was where i got my best results at 3 degrees advanced
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stewart do you have a carb. to sale like you were talking about
are please tell me where i could find one please
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try looking on ebay for the lectron.also spell it electron.some people spell it wrong.if you don't find a 44mm then get a 40mm and have it bored.with or without power jet is a option for tuning.newer style is preferred because of metering rod change.
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Here is a Lectron.
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WHAT SERIES OF needles is used in that lectron x or xl or plian
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WHAT SERIES OF needles is used in that lectron x or xl or plian
Steward,the needle is 3-1 XL ,what do you suggest I should start with on 99 oktan (not oxygenated fuel) but tuned bike. :?
Lectron says 7-1 XL on a stock KX500 seems rather wrong to yours 4-1 XL. :|
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my needle is x l 4.2 at 2.010 lenght with power jet turned off its fast