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Found 38 results

  1. I found a “cr85” for sale that I thought was a cr80 doesn’t say anything about being a bored out 80, it’s a 2002. Did they finish 80’s early 2002 and start 85’s late 2002?
  2. I'm thinking about buying a 2002 cr125, it needs a new cylinder head and I can't find any online. All I find is older than 02. Do you know which years the cylinder head will fit on a 02 125. The cylinder is in good shape but the head got chewed up a little bit
  3. Ok I bought my boy a 2011 kx 85. Thought I was having issues with jetting. It's 140/45. Anyway the compression seemed low on it and my boy was running the piss out of it. Revving it hardcore. One member on here suggested I run a leak down test. I got a hold of a motion pro tester. I rigged it all up and couldn't get any hold on pressure at all. It's like I don't even have the line hooked up to the engine. So I was like shit now what? I went and grabbed and air line and started blowing air down through the tube and could hear air blowing out of somewhere on the bottom end but couldn't pin point it. Finally I decided to just take the flywheel cover off as that seemed to be the area it was coming from. Sure as shit it's full of rust and corrosion inside there. So what the hell do i do with this mess now? Do I have to replace all that crap or what?? I'll try to attach pics
  4. I getting to the point where I need to replace the crank in my ‘89 Cr250. I cannot find one for that year. Are there any that will work? I saw something about a 92-01 crank but didn’t go into details.
  5. I got an old 85 cr 250 to run at idle thats it any advise new stator ,kill switch,coil pack,carb all new but all it will do is idle just bogs out when given gas.
  6. Ok so I just purchased a new cylinder jug and a new top end. And now I’m having trouble with my powervalve. The first pic is the only way I can get it and the second pic is how it’s supposed to be. Will it be possible to fix without having to remove the cylinder jug? Also I just realized that my old shaft bearing is still in my old cylinder jug, any way to get out? Thanks🙏
  7. So I’m just on here wondering if anybody had any advice of what to do with my problem. I have a 1994 cr125 that I just recently rebuilt. I put new hot rods crank bearings and crank and a new wiseco piston on. The bike now vibrates really bad. Not so much that it is not rideable but enough that it makes me nervous. I recently rode a buddies 95 cr125 and his was smooth as butter compared to mine. Is there anything I can check before tearing the motor apart. Thanks!
  8. Kx 85 runs well but smokes. More than I think it should for a two stroke. No smoke at idle. If I lean out the air mixture it bogs low end. Just when I gas it high rpms. New top end, jetted to spec with pro circut exhaust. Should I raise the needle clip? Also it's only a half turn out on the air mixture but that's where it runs best.
  9. I want to buy a 2002 cr80 and was wondering if I come home after buying it and see the cylinder is actually scored can I just get it milled down and use bigger rings or is the cylinder plated? First two stroke but my dad used to have yz’s so he has experience. Basically if the cylinder is scored badly can I just get it rebored and put big rings or does it need to be rebored then plated. Also how many times can a cylinder that size be rebored and how do you tell how many times it has already been rebored.
  10. I ordered a set of going racing radiator hose from eBay. I don't know the size of hose clamps to get. Can someone with experience tell me. Are they same as stock or what. Thanks
  11. I am selling my Crf150r I want to move up to a bigger bike. I have been riding for about four years I just ride trails and stuff and I also like doing wheelies. I am 5' 8" and 150 lbs 16 years old. I cant decide between buying a cr250, crf250r or a Yz125. My dad has a crf250r and I like it however there is something about 2strokes that I really like I've rode a cr250 for a little bit but I was just messing around on it. I have never rode a Yz125 and Iv'e heard good and bad about them. I have ridden a lot of trail bikes and they are fun however I like the power the motorcross bikes give you. Thanks for helping.
  12. Hi everyone, my 2004 CR85 is making this wierd noise in the top end when it is reved, it’s sounds like there isn’t a piston in there and the Conod is just bouncing of the cylinder walls. I am keeping this bike forever so I am restoring it soon, I decided to start off with a top end rebuild completely oem, and I’ve done stuff like all the suspension bearings, new gearshift shaft and shifter etc. When I did the top end, the cylinder walls looked immaculate and the crank had no up and down play but ALOT of side to side play, I’m thinking that is why it makes the noise. I’m currently restoring a Running 1983 KX80 I picked up for $400 and have torn down the motor for a complete rebuild. My point is the oem crank that’s in it has less side to side play than my CR and the bike is 35 years old. I’ve heard that I could be jetting because the bike also had a hanging idle because of the full pc exhaust so I lowered the Clip on the jet, it is definitely rich now judging by the spooge now coming from the silencer, spark plug and sound but it still makes that noise, does anyone know what it could be?, it also makes a noise coming from the flywheel that sounds like water evaporating as in cold water poured on something hot.
  13. Hi there! I was wondering could you put Crf150r plastics on a 2006 CR85? I have seen you can do the front fender conversion but will that require a new number plate? And is it possible to do a rear fender too or no? Thanks for the help!
  14. HI, I have a Honda 2001 xr250 . I'm needing to know if there is any other year/model Honda XR parts that will fit my bike. Thanks
  15. On my dirt bike I can pull the clutch in and rev and it will move slightly when in gear. Also, it rolls forward a significant amount when kick-starting in first gear with the clutch pulled in. Also it is very hard to roll around in gear with the clutch pulled in. The clutch is adjusted correctly
  16. On my 1999 kx 250 the wheel spins perfectly but it is not centered on the swingarm it is about 1/2 an inch away on the left and about 1 inch on the right. How do I fix this.
  17. Hey whats up guys and gals , I am just curious and wondering to see what you guys hate about your dirt bike or a problem you wish your bike would never have. Just curious its for a school project and I just thought you guys could help me out. Thanks
  18. So I can get a 1986 cr250 motor for a good price and I also know a guy that has a 2005 crf250r that needs work. I have the idea of just swapping motors. Would this motor fit in the newer frame?
  19. Which bike should I buy. A 2007 YZ250F Is mint and has a fmf pipe and an extra set of plastics. It is for sale for 2800 CAD. My friend is willing to sell me his 2003 cr 125. It is 100% mint and has 30h on a complete engine rebuild. It is for 2500 CAD. Which bike should I buy?
  20. So I have a 01 cr 125, and a 99 cr 250. I’ve been contemplating picking up a 01 cr 250 frame and Frankensteining a bike together. How much did Honda upgrade the suspension from 99 to 01? Would it be worth using the 01 cr 125 suspension? Any input helps. Also any other suggestions on suspension upgrades is welcome.
  21. Today I was riding my CR85R when I noticed it’s running weird. It seemed like i was hitting the rev limiter when I should have been in the meat of the power. So I put in neutral and slowly reved it up while looking around the bike. It smoked a little more then it usually does before it died. I tried kicking it over a few times but it wouldn’t start. So I pulled the plug that was pretty fouled up. Then took of the head to look in the cylinder and saw the normal cross hatching. I checked the air filter but it was fine. Any thoughts I want to have it fixed by Friday for one last ride with my bud before winter comes. Thanks ps I do have spark.
  22. Hi I have an 06 husky wr 250. Wondering if anyone can tell me much about them. I've just put a dep expansion chamber on it and a new plug. Use it for single track and hills. Can anyone help me out and give me their opinion on em. Cheers
  23. Hello everyone i have a 1993 Cr80r and it blew up i just replaced the bottom end and am now working on topend. the thing is my topend cylinder is gouged pretty bad, so with that being said would i be abke to run a cr85 cylinder and head on my 1993 cr80r bottom end. and if so what years for the cr85 would i be able to use. i seen a post that someone ran a 04 cr85 cylinder on a 95 bottom end so i am assuming it should work for me too. i just want some extra opinions before i go ahead and do it.... Thnx in advance
  24. Hi I have a 03 cr 85 and after about 2-3 hours of riding spark plugs completely goes I take it out and clean it and doesn’t make a difference when there’s a new spark in it will run fine any ideas ? Thanks
  25. On my 89 Cr250 it loads up a lot and fouls plugs, I adjusted the jetting and it still does it, which isn’t a problem it was really rich and needs to go leaner, the problem is I could be lugging it through the woods where I can feel it loading up, then take it down a wide trail where I should be able to clear it out and I will go down the road and then suddenly it bogs and stalls like it fouled out when it should be clearing out.
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