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Found 82 results

  1. nick andrist

    kx250 98 Kx250 Rebuild Help

    Hello everyone I want to start out with I bought the bike a couple days ago and started the year down. When I bought the bike the kick start didn't move an inch so I figured it was seized. I started the tear down of the top end and I will included pictures to show you what I found. A piece of the piston broken off. I'm not to sure what my next step is. With this happening is the crank garbage too or is it still ok. with this happening the top end is in great shape I'm just scared of the bottom end. So many questions. Thank you for replying
  2. Im looking at buying a kx250 because i want to go back to a 2 stroke after a while on the 4 strokes, but im not sure which year to buy, ive been looking at the 02 to 04 models the most but anything over the year 2000 pretty much
  3. Daniel Wolfe

    01 Kx250 proper jetting please

    So i know my way around a crab pretty well and i'm very familiar with them i just can't seem to get the kawi dialed in it seems to have this unging/erratic rev thing going on when i pull in the clutch and i slow down so i'm looking for the correct carb adjustment for the bike it didn't seem to do it when it was warm out but now that it's in the 30's forties it's doing it my elevation here in upstate ny is 295' it's been around upper 30's lower 40's but i'd like to tune it so it's ready for summer because i don't ride it much in the cold so i'd like to tune it so it would be best in 70-90 degree weather since that's pretty common around here So could someone please help me out I need to know what the fuel to air mixture is needle position and proper jetting thank you
  4. I have a 99 kx 250 that needs a cylinder. I need to know if a 94 kx 250 cylinder is compatible with the 99 model assuming I use the 94 power valves? the bidding ends in a few hours
  5. zrod625zz

    04 KX250 Triple Clamps

    I'm looking for some aftermarket triple clamps for my 2004 KX250 and I can't seem to find any that will fit my bike. Ride Engineering, Pro Circuit, Tag, Universal, etc. Anyone know if the newer model 250F/450F triple clamps will fit my bike? Also, if I wanted to swap out the front forks all together for some new 450F forks, is that possible? What all would I have to replace? Any insight is appreciated. Thanks!
  6. Could someone tell me the dimensions of reed cage bolts for a 02 kx250? I can’t find any info online. Should I get fine or coarse thread?
  7. CamrenKX'92

    Confused Kx250

    I bought a kx 250 a couple months back was told it was a 1997 i looked up the vin on the frame and it was a 1992. I didn't mind because regardless i had gotten 250 bucks off anyway. I rebuilt it and did the clutch but the gasket kit i bought for a 1992 kx 250 was not right at all so i bought a different one and that one wasnt right. Basically is there a way i can look up what year my engine is i tried typing in the engine vin and it didnt work. Thanks!
  8. doubleClutch229

    98 KX250 Kickstart woes

    So I recently picked up a 98 KX250 for a killer deal, The guy's wife just wanted it gone so I picked it up without to much discussion. He did tell me that last he remembered it ran rough and had some issues with the kick start. Cleaned the carbs (replaced jets), checked the cylinder, replaced cables, grips, chain, and a few other odds and ends. Got it to start up fairly easily just needed to find the sweet spot for the air and idle screws. I did notice the kick starter seemed to be slipping a bit, so I took off the right side engine cover and inspected it.. I found that the bracket that stops the ratchet was misaligned, and the post that it was suppose to fit over had sheared off, so it wasn't holding the ratchet correctly... at that time I just re adjusted the bracket to where it was suppose to be and tightened down the bolt... I thought I was good and took her out the track for the maiden voyage and on the 3rd kick the end of the kickstart shaft sheared off (I had noticed the end had already been 'twisted')... luckily I found a few people to help me push start her and was able to enjoy some time out on the track. When I removed the broken shaft I noted that the bracket had not moved, so either I installed it wrong or there is something else going on.. So I ordered a new kickstart shaft, and this time when installing I carefully drilled out the spot where the post was suppose to got and found an allen head bolt that fit snugly inside the bracket. This time I took careful steps to make sure I installed the kickstart shaft so the ratchet arm was resting in the bracket, then was able to get the spring in its keeper. So I though I was good. I went to start it and man as I remembered before the amount of force to kick it seems really high, more so that 450s I've had the opportunity to ride. It also would kickback if I didn't make it all the way through the stroke. I did eventually get it started and running decent. The next day I was about to get the carb further dialed in when I noticed that end of the new shaft I just installed was already starting to twist, so I decided not to kick on it anymore till I figured it out... This got me thinking, when I installed hotcams on my 250f I intially forgot to install the decompression attachment to the exhaust cam, and started considering it was timing related. I'm still new to strokes but it seems like the timing can really only be set at time of assembly? I know there is ability to retard or advance, which mine is set to the middle tick mark. So long story short what should a be looking at for a harder than normal kickstarts? Could the exhaust valves be opening and closing and the wrong interval? is there an easy way to check those without removing the motor?
  9. canonball.z

    Front Brake Help

    I just bought a 2003 kx250 a few weeks ago. The guy I bought it from said he dropped the bike on it's side, and after that, the front brakes would "act up," but after feeling them, I figured they would just need bled and would be fine. After getting the bike home, I bled the brakes and realized that they weren't just mushy, but they would only grab on for a second before losing pressure, even while holding the lever all the way down. Sometimes they grab a lot harder for a lot longer, but they mostly just squeeze for a quick second. Also, when attempting to bleed the brakes for the third time, I realized that every time I pulled the brake lever, bubbles would rise from the bottom of the reservoir, which I was thinking maybe meant the master cylinder was damaged causing it to pump air into the brake line, but I don't know. I don't really want to take my bike to a shop or to buy a whole new front brake setup, so any help or advice would be appreciated. Thanks! (Edit: I've never dealt with dirt bike brakes, so this is all new to me)
  10. quickshoe

    anybody know this KX250?

    I am considering driving out to take a look at this bike. It's been for sale for awhile. I can't imagine that a handful of folks haven't looked at it....and passed. Before I go look at it, has anybody some wisdom to share? https://inlandempire.craigslist.org/mcy/d/kawasaki-kx-stroke/6174032017.html Thanks!
  11. will a clutch basket from a 98kx250 fit a 96kx250? How about the carb also?
  12. DemonRanger

    Kx 250 lemon

    Hi guys, new to the forum! Making an account here however i've done some reading here before. I need some help with getting my dirtbike running. I am very frustrated with it as i haven't had the chance to even enjoy it since ive bought it. I've had maybe two good runs on it. Anyways here is the background: 2001 KX 250 2 stroke, Fully rebuilt top end and bottom end done by local garage. After the rebuild the bike was running pretty good. However I have had a issue with it losing spark. Took it for a good spin one day and the bike lost power suddenly and died. I started troubleshooting it, and found that it had no spark. So i went ahead and checked everything out and found out the new stator that the garage installed on it either developed a short or some type of issue. I checked it with my multimeter and proved that it indeed was faulty even though it looked new. So i threw the original stator that i had for the bike back in it and the bike had spark again. Yesterday, I filled it up with mixed fuel and had it running. Bike started fine and everything seemed good, however about 5 minutes after it warmed up it died. I checked the plug and it was full of fuel. So i was thinking it just flooded itself and no big deal. I then went and put a new spark plug in it ( tried an iridium plug as i read online that they are suppose to be better ) , bike started up fine and I was impressed with it, however after about 5 minutes of trying to warm her up the bike started to act boggy and i could feel the bike trying to die, shortly after it died. I kept kicking it over for a while and no go. So i then troubleshot it again today and now theres no spark again. I am very disappointed as the issue seems to be back to square one. Anyone have any input or advice, im at a lost cause with the bike. It's like when it warms up she gets boggy then doesn't want to start any more. Also i found it strange that the brand new stator became faulty or damaged and now with the old stator i am no longer getting spark. I had the motor fully rebuilt with wisco parts because i was hoping to take care of the bike, however i can't seem to drive it! Much thanks for any input.
  13. Hi all, I have a 2004 kx 250 2 stroke and it wont start. it only backfires. I was out riding it one day and came up to a stop so the bike was just idling and it started to try and die so i revved it up a few times then let it die and now it wont start back up. It only pops or backfires when you kick it. Its getting good spark and i just put a brand new plug and coil in it. I took the reeds apart and they look like they're brand new. It was running great before so i dont know what happened. Im thinking it could be a fuel problem even tho the plug is a little wet if you take it out after a bunch of kicking. Any help would be greatly appreciated Thanks
  14. Henry Nichols

    Kx 250

    Okay guys, I have a 1997 kx250 frame and I wanna know(if even possible) if there are any 2 stroke engines besides the original that will Bolt onto the frame without any modifications.
  15. Kristi Harnish

    Parts

    Hey guys, I just recently bought a 2004 kx250f but am looking to swap out some of the parts to update it. Little stuff for now like seat cover, chain, hand grips, levers, caps etc. Someone in my area is selling some stuff from a 2003 kx250, was wondering if anyone knew if those parts would be interchangeable between the 2 and 4 stroke models? Or if other years of my bike parts would work or not. Any help would be appreciated. Kristi
  16. So im looking at two bikes, a 03 kx 250 and an 04 cr250r both have Some aftermarket parts and are about the same price, which should i buy?
  17. Matzus

    Kxf shock swap to KX

    Hello everyone I'm very happy with my 99' Kx250 with a few improvements (Vforce, SSS forks, kxf brakes, etc) but now it's time to revalve the suspension. The shock of my bike is leaking and probably never in at least 14 years (last revalve) have a shock maintenance, so I ask to the Kx guru's if it's possible to swap an Kxf shock, considering a lot of years of improvements in suspension tech. It's worth pay for the kxf shock plus revalve for the kx? Or just repair (because I dont know the internal condition) and revalve the stock shock? Thanks for reading. Regards
  18. Is it possible to orient the transmission incorrectly in the case or does it only go in one way?
  19. I noticed today that there is some play in the clutch arm on my 2004 KX250. It moves maybe 1/8 inch up out of the case. No side to side movement and the clutch seems to be engaging fine. I tried taking the clutch basket out and looking at things but everything seemed to be okay. Maybe I'm not looking for the right things? Any idea as to why this may be happening? Thanks for the input!
  20. I have a KX250 that I just picked up and when we bought it he told us the throttle cable was kinked and when we started it it revved wide open.... It had so much compression that we had to rip off the fuel lines and pull the spark plug and it still kept revving for about half a minute... Replaced the throttle cable, cleaned the carb... fired it up and it had a slight rattling noise... we killed it and I took it over to the neighbor and when I tried to kick it the kickstart froze up..... so we rolled it backwards and it's unstuck now, and I drained the oil yesterday...I saw barely any very very fine metal shavings on my hand...maybe 4 at the most and it was finer than a grain of salt and the oil was terrible... Do you have any suggestions on what I might be able to do to get this bike running? I want to make sure everything is smooth sailing before I take it out in the desert and make sure the motor doesn't need to be rebuilt... I do want to mention that the bike did sit for well over a year because the guy we bought it from got hit by a boat and he's severely disabled now.
  21. Hello, I was just wondering if the wheels off a 2003 kx250 would fit onto my 2002 cr250? From what I've researched, the axle diameters are the same I believe. (20mm front and 25mm rear). I figure that I will just have to use the spacers I have and it should work. Could anyone with some experience chime in and assure me that it would work. Thanks
  22. nate9521

    Interchange kx250 crank?

    Will a 2003 kx250 crankshaft fit in a 1999 crankcase?
  23. 2strokesnpowerstrokes

    2000 kx250

    Hi y’all so I have a 2000 kx 250 that I bought about two weeks ago. Everything is good on the bike except I bought it without a kickstarter lever so I have to bump start it to start the bike. Runs good when bump started. Anyways I have ordered two kick starter levers now and they both have not fit. The first one was off a 1996 kx250, the second was off a 2000 kx250. Both of them do not fit, they are to small to slip onto the kick starter shaft. I’m confused to what is going on and why neither have fit especially the one for a 2000 kx250. My vin, air box, and cylinder numbers state that the bike is a 2000 kx250. However I cannot figure out what year my motor is, every forum I’ve looked up skips my engine number. Please help y’all Engine number: KX250LE022273 Vin number: JKAKXMLC4YA017773 Air box number: 1743 Cylinder number: 1911
  24. G. I racer

    2000 kx250 suspension swap

    Hey guys I'm new to this site. I am researching on whether to try and fit new forks on to my bike or get them rebuilt? Any input on either of these topics would be greatly appreciated. And which one would be better to do in terms of suspension performance thanks. By the way it is a stock 2000 kx250
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