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john spencer

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About john spencer

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    TT Bronze Member

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    Australia
  1. john spencer

    Surging problem?

    now THAT is a good idea! just have to make sure the hose stays with the screw driver and not the jet when you pull it out. i'll be using this one next time i change a pilot jet..cheers dirk
  2. john spencer

    Surging problem?

    by the way, if you do need to change back to a 42 pilot, you can do it without removing the carb. you just need a small screwdriver, a small mirror(this way you can check to see if the pilot has moved, its hard to tell if you are on the head of the pilot with the srcew driver, so after a few turns on the screw driver, if i'm not sure, i pull it out and check to see if the head of the pilot has move eg has the slot changed from its original position!) i also drilled a small hole in the handle of the screw driver into which i put a small allen key or similar lever,. this way i can keep upward pressure on the pilot with the screw driver and turn it at the same time, so as not to strip the head when i initially undo it or nip it back up. it goes without saying, be gentle! your hands will cramp up and you will swear a lot, but i can do it now in about 15 mins. the trick is to have a look with the mirror first, then feel your way in with the screwdriver to the head on the pilot. its worth a try, if it don't work for you then you've got to pull the carb off anyway.it will test your patience though!
  3. john spencer

    Surging problem?

    i had the same problem when i tried to go richer on the needle. i had confirmed my pilot already (42)and put marks on the throttle to check where in the range it was occuring. i just had to simply lean the needle off one clip at a time. turns out the stock needle which i have, on the stock clip position(2 down) works best(your stock needle may not be adjustable but your jd one is).its easy to adjust so i'd give that a try. if its set 4th down i'd go back to 2 down and see the difference.by the way, i'm running a 165 main jet, but as the marks on the throttle indicate that is not the issue as its down around 1/3rd throttle that the surging is happening
  4. john spencer

    Jetting Problem?

    i'm with the dirk, its most likely a blocked pilot jet,and failing that i would check the tiny rubber o-ring on the fuel screw,when you changed it, it may have been damaged. ive heard guys complain of similar symptoms because of this...let us know how u get on
  5. john spencer

    Dies at low rpm...

    mine was doing similar things last week and it turned out to be a bit of crap in the float bowl that was obviously blocking the pilot jet.i'd pull the pilot jet out and check its got nothing in it , and if you've already done that, then possibly it could be that the small rubber o-ring on your fuel screw might be stuffed and you just need a new one...
  6. john spencer

    swingarm pivot bolt removal..my solution

    the rest of the bike is holding up well, didn't get quite as long out of my valves as i would of liked though, they needed replacing at around the 5400km mark too(intake).i'm pretty picky about my oil changes and air filter maintenance so i don't know what the go is there. one dealer/mechanic suggested it may have been a bad batch of fuel, i drained the bowl on the carbie and there was some tiny particles in there. i'm going to start draining it after every couple of rides from now on just to be safe. i really can't emphasize enough though just how important it is to get that pivot bolt out sooner rather than later if people want to avoid major hassles down the track. just type in swingarm pivot bolt in the search engine and read some of the stories about the dramas other guys have had getting their's out.
  7. john spencer

    swingarm pivot bolt removal..my solution

    below is a copy of a post i put in the general dirt bike dicussion section, i've just cut and paste it to here so it might be some help to my fellow klx er's who might otherwise not have found it. if you haven't bothered to get your swing arm pivot bolt out yet i suggest you do, from talking to other people i was lucky to get mine out as easily as i did after 5400kms and it never being removed before. it's been a bit of laziness on might part and i guess a little fear of pulling things apart and stuffing it up, but the more i work on this bike the more confidence i'm getting and thats got to be a good thing(my old drz just made life too easy!). in case your wondering, the swingarm bearings were ok, one still had grease in it and the other was almost dry but salvagable. i also greased my linkage and they were all ok except for the bearing at the bottom of the shock. Anyhow, heres how i got the pivot bolt out... ..removed nut and laid the bike on its side and sprayed liquid lanolin(penetrene would also do) in gaps between swing arm and frame repeatedly, then turned bike over and did the same from the other side.how much this part helped i'll never know cause i also used the next step before making the attempt which got it out. i then stood the bike up on its stand, started it and allowed the engine to warm up for a couple of minutes without boiling the coolant. while it warmed up i got a jug of ice water and blocked off one end of the hollow pivot bolt and put a tube in the other end so when i poured the ice water in it would stay there.i turned off the engine, poured the ice water into the bolt and waited a minute...pulled out the tube, inserted a bolt that i had prepared earlier with some brass washers on it so as not to damage the pivot bolt,then gave it a fair hit with the 7lb hammer, and low and behold she started to move! i then tapped it back and forth a few times and sprayed some more lanolin in there to get it to move a little better so it required less force to tap it right through. after getting it out i gave it a good sanding to get rid of the pitting and corrosion and smothered it in anti sieze. after reading some of the horror stories on here about the trouble people have getting these out i thought i might share this in the hope that it might just help some one else....
  8. had a bit of trouble getting mine out the other day on my klx450 but in the end i won. here's what i did..removed nut and laid the bike on its side and sprayed liquid lanolin(penetrene would also do) in gaps between swing arm and frame repeatedly, then turned bike over and did the same from the other side.how much this part helped i'll never know cause i also used the next step before making the attempt which got it out. i then stood the bike up on its stand, started it and allowed the engine to warm up for a couple of minutes without boiling the coolant. while it warmed up i got a jug of ice water and blocked off one end of the hollow pivot bolt and put a tube in the other end so when i poured the ice water in it would stay there.i turned off the engine, poured the ice water into the bolt and waited a minute...pulled out the tube, inserted a bolt that i had prepared earlier with some brass washers on it so as not to damage the pivot bolt,then gave it a fair hit with the 7lb hammer, and low and behold she started to move! i then tapped it back and forth a few times and sprayed some more lanolin in there to get it to move a little better so it required less force to tap it right through. after getting it out i gave it a good sanding to get rid of the pitting and corrosion and smothered it in anti sieze. after reading some of the horror stories on here about the trouble people have getting these out i thought i might share this in the hope that it might just help some one else....
  9. john spencer

    Does KXF450 exhaust fit on KLX450

    i got mine from the states, a guy over there gave it to me for free, postage only! after i put a post on the kx forum asking if anyone had one that they could sell me. postage was about $98 aussie at the time, so i am eternally greateful to the man for his generosity.you could also try asking your local dealer if they know anyone with a 06-08 kx that has replaced their stock pipe and might consider selling it to you. i bought the header from delkevic here in oz, its very light(titanium) but very easy to dent,i'd get a stainless one if i had to replace it. i'll send you my phone number in a private message and you can give me a call if you like and i can explain how i changed the jets without removing the carb.
  10. john spencer

    Does KXF450 exhaust fit on KLX450

    i run a kx header and exhaust and i run with a 42 pilot, stock needle in stock position and either a 160 or 165 main jet(if you check out my previous posts its in there some where- i can't remember.)i did run it with a 155 main jet for a while and while the larger jet gives no noticable improvement in performance it would help it run cooler.
  11. john spencer

    My KLX won't hit a lick

    i was under the impression that the exhaust valves were ss(i have been wrong before though ,just ask the missus), had mine checked recently, exhaust were perfect but the intakes had closed right up.hope they come up with some ss intakes soon.
  12. john spencer

    How durable is the KLX?

    sorry to get your hopes up ( and mine) but the mechanic who thought we could get stainless ones was thinking of the kx and it turns out that they are different and can't be used in the klx, so unless you guys in the states come up with something soon in the way of stainless i'll have to put in stock ones again
  13. john spencer

    How durable is the KLX?

    as far as stainless intakes are concerned my mechanic here in oz(singleton) tells me that they are available through serco but that the springs are very expensive when he last checked. however, he has heard that they were looking at making a more affordable spring kit available. i'll be getting a price on what it costs to replace them with stock parts and also with the stainless option so i'll let you all know how i get on...
  14. john spencer

    How durable is the KLX?

    just an update on durability. bike wouldn't start the other day and has been getting a little hard to start when cold.. got the valves checked and sure enough the intakes had closed up to just about nothing, exhaust were fine.so i had it shimmed and shes running fine now but for how long who knows? the mechanic said that when she gets hard to start again i'll be up for some new valves. all in all i think i've had a pretty good run. i ride it prety hard and i've done 4300km and its the first time iv'e had the cover off and checked them.i'm more than happy with the durability of the bike for the performace it delivers.
  15. john spencer

    Oil Leaks Out Weap Hole

    i think you will find he is referring to the hole just under the water pump(he said where the coolant hose meets the motor, or maybe he means the spark plug cavity hole after all?), if so, then this is a 'tell tale' hole to let u know if the oil seal has started leaking inside the water pump housing. the manual says that if coolant is coming out of this hole then its time to replace the oil seal behind the impeller in the water pump. mine has started to weep there a little but i'm just keping an eye on it as the amount is very small. a mate reckons that it keeps coolant out of the oil and oil out of the coolant and it would be possible to see oil leaking out of there as well if the oil side of the seal is gone
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