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  1. That’s &%$#@! up ..... And that’s &%$#@! up So as you can see my first rebuild has come to a halt just as I was buttoning it up as I was going to install the stator and saw that I installed the crank backward.... yup ... and the engine is torqued and red loctite’d to the frame .... yup... I did that. So I’m just wondering what parts I should replace to be safe or if I can just rip it apart flip the crank throw in a new gasket and call it a night? Thanks for any advice guys I feel real dumb right now lol
  2. i have been looking all over this forum for a definitive answer to this and some have said yes it will work, and some have said no because the shock clevis lengths and mounting bolts are not the same length. Someone please give insight to this. asking because i have a 03 cr250r and found a great deal on a 05 crf450r with a 5.7 kg/mm spring in it ( i weigh 220 lbs) on ebay.
  3. What can anyone recommend to help my bike(03 CR250r) climb like a KTM 300 XC? I know what most of you will probably say and that would be to go buy a 300 but that is not in the cards right now as I can't afford another payment right now. The mods that are currently on my bike are FMF gnarly pipe and VF3 reeds, a JD jet kit in it and 13/50 sprockets. It runs good but it won't climb some of the hills the 300 will and I have ridden the 300 and it makes climbing a breeze. I was tempted to try a flywheel weight but I have never tried one so any help I would appreciate. I'm 220lb rider by the way.
  4. I need some new reeds and want to go with v force, however when I shop I can’t understand why sometimes the reeds are caged and sometimes not? Heres an example caged https://motocrosspartsuk.com/honda-cr250-vforce3-reed-valve-system-cr-250-v-force/ not caged https://www.24mx.co.uk/v-force-3-reed-valve-membrane/honda-cr-250r-2003#?p are these diffent products? Or like did they lose the cage in later versions no idea? Just want to know what I should buy thanks
  5. Hey guys, so cant find much online about cr 250r enduro conversions (nothing recent) so im wondering if it is an option or not. I currently have a crf 250x 2009 and a XR 650r. If i want a 2 stroke enduro but want to stick with the honda line up, is a 2007 or 2005 honda cr 250r a good option. and if so what would need to be done to it to get it up to spec for trail and enduro riding. Thanks very much 🙂
  6. Would anyone know the best gearing for desert, long ranges, I have 13/49 and I feel I can go faster, anyone know what I should use for more top speed?
  7. In need of some expert opinions here... Got a 94 Cr250r with a new top end that we cannot get to run. We tore into the top end to insure everything was good (which it was) and reinstalled everything to oem torque. The bike will fire and instantly die. If you open the throttle when it fires, it sounds like it wants to run but bogs terribly and instantly dies. Eventually the bike wasn’t even firing by the time we gave up. We cleaned the carb and every jet, replaced the plug halfway through the trials with no luck. Also tried adjusting the air screw and the needle clip position on the slider with no luck. The bike has spark, is definitely getting fuel and air. What could we be missing to where this thing barley fires at all? No idea who did the top end, but it’s definitely new. Could they have installed something wrong? Could it be timing maybe???
  8. Anyone have any source recommendations for a complete engine gasket and bearings kit for a 1986 CR250R? I've always gone with Tusk or Cometic, but I can't seem to find a kit that's all inclusive. Not against buying a complete gasket kit separate from a bearings kit, but can't locate either for some reason. Any help would be greatly appreciated. Once sourced, we're looking at a maiden voyage within 48 hours!
  9. Hey gents! I just picked up a 1986 CR250R barn find and thought I'd post a few threads with the clean up/restoration process. I have some experience in frame off restorations of quads (all 2T's), but I'm also smart enough to know that I don't know. That being said, I invite any and all feedback on techniques and specific process critique with regard to this specific chassis. I've never done a bike, but I couldn't let the winningest bike in motocross history go to the junkyard just yet. Here are some pics of the initial eval and disassembly! Let me know what you think!
  10. I’ve got an 07 Cr250r and I’m pretty sure I’m experiencing detonation. The sound is present after I let off the throttle and the engine begins to idle down. It’s a loud knock in between strokes which I can actually feel a little bit. The motor itself is all stock, with vforce reeds, pro circuit pipe and fmf silencer. The bike has very low hours and was also re-jetted last year. I usually run race fuel and can still hear the knock. This weekend I ran 50/50 93 and race and really noticed the sound. Any ideas? A few days after my re-jet the bike wouldn’t hold an idle and still won’t, but will run good except the spark knock. Could it be the stock carb messing things up? A little bummed out because this bike was a barn find with extremely low hours.
  11. Okay so a few weeks ago I brought a 2006 cr250 and I want to put the motor out of it in a crf250x frame and register it, note that I'm in Queensland Australia which seems to be the nanny state that doesn't allow much because our bike laws are super outdated. What am I gonna have to do to register it? I want a 2 stroke dual sport but I don't want a ktm and betas are hard to get parts for where I am whereas honda parts are like flies, &%$#@!ing everywhere. I know ill need to change engine mounts, not the y peice out and move it up and drill holes and tap a thread into them for the powevalve servo but what else will I need to do? Will I need a mod plate because of the engine swap?
  12. I bought a 2001 cr250 with no gas tank new tanks are like 300 bucks but I found a tank off of a 2002 cr250 for $40 anyone know if that’ll fit? thanks in advance!!
  13. My 2001 cr250r won’t idle more than 6-7 seconds after it is warmed up. I tried messing with the air screw and idle screw and I could not get it to idle. The bike is also running rich since I fouled 3 plugs within a short amount of time and they were black in color. I looked at the pilot and main jet and both were the stock size. Getting the airscrew in the correct place may stop it from fouling. My question is would dropping the main jet a size help in idling? Thanks for the help
  14. Currently rebuilding my CR250R 03 that has been sat not used for maybe 8-10 years so far inspected all of the top end cleaned it up rebuilt the sus everything on the bike looks great i have warnededto keep an eye on the oil seals such as sprocket shifter etc but not heard anyone say to check out the water pump. Should I open th water pump casing just to check for signs of wear or maybe even rust I imagine that could form in there? Or would this just be a waste of time and money on new gaskets? thanks ash
  15. Hey so I have a Cr250r with a few mods -PC pipe -Vforce reeds -Keihin PWK carb I was wondering what race gas I should use, I am a weekend rider and I do not race or anything like that, I just want to use some race gas on my bike so it runs better. (Don't want to run straight up pump gas) I am looking to mix with 93 pump gas because running straight up race gas is too expensive for me. What gas would be good for me that is not too expensive. Thanks!
  16. Hello all!! I picked this up yesterday. New to me 1997 RM250. It has Rockstar graphics on it and the guy said it's a Rockstar edition bike. I can't find anything online that would give me any details. It looks to have the correct graphics and the radiator shrouds are purple. Any ideas where to find out the details for these editions?
  17. So I am rebuilding my cr250r it’s probably not been started in maybe 5-6 years. I have changed cleaned pretty much everything. My only concern is I haven’t changed the gear box oil as I am not sure this should be started walmed up first to get the oil moving then swapped straight away? Or should I just cold drain it then replace?
  18. So I have a 2002 cr250r and it has a Keihin PWK 38 carb long body and screw on cap style. I know that a lot of cr250 owners replace the stock mikuni with the keihin. I check the spark plug and it’s black with carbon build up. I am in Dallas Texas and I ride from 510’ to 1100’ depending where I ride, temperature changes a lot. One day it can be 40 and the next day it can be 70, it should stay above 60. What is a good jetting set up for the keihin on a cr250 for where I ride. Thanks.
  19. 1995 cr250r I replaced the oil in my forks the other day and noticed that the springs are quite a bit out of spec. I think factory is about 19.16 inches according to my clymer manual. When I measured them, they shored up at around 18.5 inches. I've been doing a few google searches and looking at the factory connections website but I cannot find any direct replacement springs for these KAYABA series shocks. 1. Obviously my first option is to buy new forks and triple tree but I really don't want to do that. 2. I'm guessing "stretching" the spring is the absolute worst thing I could do, so that's not an option? (Yes, I'm questioning that...) 3. Which leads me to the PVC pipe/washer question? I know this is done in chinese pit bikes for greater compression because...china, but I'm trying to figure out what all of my options are. There were two washers on top of the spring "inside" the spring collar when I took it apart but they don't "extend" the spring to the 19.16 inches. (It was still shy about an eighth of an inch or maybe one more washer.) I did find these from race tech, but they seem like they would be awful soft compared to stock springs (which is supposedly around .41 or .43 kg depending on the website you go to) http://www.racetech.com/page/title/FRSP-RT Fork Spring List Item Code Description Length (mm) OD 1 OD 2 Minimum Travel Rate (kg/mm) Rate (N/mm) Rate (lb/in) FRSP 394936RT FRK SPR 38.1x487mm .36kg 487 38.1 312 0.36 3.53 20.2 TL;DR If my springs are too short and I can't find decent non-used replacements and I don't plan on jumping the bike (If I did it would be like 1-2 feet in the air not 30 feet like Ronnie Mac) can I do anything to extend these springs to use it as a trail ride/leisure track bike? My apologies if there is a thread on this already. Searching for "front fork stock springs short" didn't bring up any viable threads...
  20. Hey everyone, I am new to the world of 2 strokes and I am having an issue with a 1996 CR250r that I recently acquired. To begin with the bike will bog down when I first hit the throttle and will do so again if I let it sit for a bit. However the problem goes away if I am constantly on and off the throttle. The larger issue however is that the bike seems like it is hitting a rev limiter at 3/4 throttle and the power is lacking for a bike this size. Id appreciate any help in trying to figure this out.
  21. i have a 2002 Honda cr250r, it had sat all last year due to busy life, while it was in my garage/storage i would rotate the kick starter every other month so the piston could move and rotate the crank. today i took it out cleaned it up, changed the crank oil, new coolant, fresh plug, put in fresh mixed gas, cleaned the carb and put a moose rebuild kit in changing all jets and needle. where i ride i am exactly as it is from the factory so all settings are where they should be per the manual. the problem i am having that as soon as i kick it over it revs to the moon! i have to hit the kill switch right away. i have tried adjusting the idle screw but it is almost all the way backed out, and the air screw is 1 1/2 turns out almost 1 3/4 out. i have checked and the carb boots are attached and there not torn or rotted, air filter is clean and sealed up in the box, i took the carb out because when i turned on the gas it poured out of the overflow tube so that is when i put in the moose carb rebuild kit. i checked the throttle cable it is not tight and i can hear the slide moving up and down. i did have trouble taking the cable off when changing the needle so maybe the spring is weak? kinda doubt it though. i do need to get new carb vent tubes because mine are getting on in age and are stiff but this would not cause it would it? so any ideas where to look and start i would appreciate, so i can start tearing back into it.
  22. Hey guys so I’m putting my 2000 cr250r back together and the previous owner had been running it without a bushing for the exhaust valve pinion shaft so I ordered up a new one and I’m wondering if this looks like it’s in correctly or if it’s supposed to sit down further, I’m thinking maybe the past owner somehow welded something in there? Any help is appreciated, thanks
  23. Like the title says, My carburetor is dumping gas when ever I move the bike and sometimes when its on the kickstand. I just rebuilt the top end, its a 2001 cr250r and the carb was fine before I did the piston and rings. I blasted it with some carb cleaner when i had it out, and that it. Didn't open it. Now it just dumps about 2oz of gas every couple seconds/minutes out of one of the overflows. The bike runs ok and start easy. I know people say an issue like this is float related but it isnt a constant stream its inconsistent. As if it fills up, then dumps, then repeats.
  24. I have never ridden 2t dirt-bike , i start my dirt bike adventure this year with a 4t yz450 and i love this sport. now am interested to test 2t cross and want to use it for enduro and MX. are this bikes ( yz250) good for both enduro and MX use !? i heard that yz250 is the same from 2006 up to 2016 and have no change . what about honda cr250r !? which year and model of this two brand worth owning !?
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