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Found 20 results

  1. 521hoodboy

    08 crf250r problems

    I recently picked up a 2008 crf250r it has a hard time starting. In the middle of the day when its 97degrees outside i gotta choke it to start and sometime i kick it so much gas starts pouring out the overflow. I drained the gas and put 93 with octane booster in it and it still wont start within 3 kicks i find myself roll starting it alot. Also it backfires when reving it and if your crusing along and pin it itll bog unless ive been riding for an hour or so any advice would be nice.
  2. My 07 crf250 recently was rebuilt to and bottom end. Valves were checked for wear and clearance and there fine. The bike has only ran once, it will backfire and acts like it wants to run. I put a new plug in and no luck. I took the plug out connected it to the boot and kicked it over to check if it's getting spark. It's getting spark but the boot is arcing at the base where it seals to the bike. I plan on getting a new boot, I'm just wondering if there is anything I should be focusing on as well.
  3. OnThaLoose

    2009 CRF250x engine noise/ticking

    Hi, as the title suggests, my bike is making a ticking sound that appears to be coming from the head, it’s not a constant sound though as it comes and goes. ive recorder a video of the issue, which is especially noticeable at 40 seconds and 51 seconds into the video. Any help would be appreciated. Thanks.
  4. micnic 8888

    2013 crf 100 isnt getting spark

    I was riding my crf a couple of months ago and the chain kept falling off. When the chain fell off after about the 10th time, it wouldnt start after. When I got back I took off the left side engine cover and the case saver was cracked off. I replaced the spark plug and it still isnt getting spark.
  5. Liam Hodges

    CRF 150R won’t start

    So I was riding yesterday, and my crf 150r cut out mid ride, I thought it just bogged out, went to kick it off and the kick start was jammed, So I thought the engine had seized, took the bike home washed it down tried the kick start and it’s somehow freed itself, but the bike won’t start???
  6. 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
  7. Drewbwislock

    Studder at 1/4 throttle

    On my 2008 rmz 450, at 1/4 throttle there's this horrible studder. It started about a month ago. The bike has about 70 hours on it i bought it later last year and never had a problem with it. The only thing that i changed on it was the header pipe it had the stock one and i tweaked it where it was making a weird noise so i replaced it with a stock one. Things i have tried............................ New spark plug Cleaned the air filter Oil change Checked the valves one exhaust is on the loose side but not out of spec. I may try injector cleaner but idk if thats ok for these bikes. Any help is appreciated thanks in advance
  8. I have these seals left after full engine rebuild, i think the bigger o-ring is for the starter. and i dont know where the rest go, does anyone know? That is a 1/4" ratchet. Thanks in advance
  9. Hey guys! Im gonna start out with posting all the information i think is needed for you guys to help me with this problem! Stock engine 2007 crf250r. Valve clearances are good and have JUST been shimmed with a double and triple check. Jetting is 175 main, stock needle position, 45 pilot and 50 leak jet. 1000ft above sea level. Im still having a terrible time starting and it used to be a 1 kick bike. I haven't changed my kick routine at all. 3 slow kicks, 3 throttle twist and then kick. Will sometimes start if i give it some gas when kicking. And then it starts 1-4 kicks after its warm. Im lost and dont know what else to look for. Thanks!
  10. Chris Edwards

    05 crf 80 shifting help

    so I bought my daughter and 05' CRF 80, It started and ran fine a few times and now she has a hard time shifting into second. I wrode it a few times and trying to get into second gear you definitely don't hear the typical click over and any feel it flip I to 2nd and going up from first to second and it takes a few times of fidgeting with it to get it into gear, all the other gears seem to be fine. took it all apart everything seems to look fine but I really don't know what I'm looking at, with the clutch cover off I was able to run through all the gears but put back together with fluid in it still no go any suggestions??
  11. 521hoodboy

    2008 crf250r problem

    Just got a 08crf250r rode it and if u twist the throttle really fast it bogs and it backfires/pops when going down hills also it takes 4 to 5 kicks woth choke on to start. Dos it sound like carb problem or valves need adjusted. Anything would help thanks
  12. Roux Delport

    Sprocket questions

    I am running 13/47 and need a bit more speed what should i change or do?
  13. sean priest

    2017 CRF250L OFF-ROAD Review

  14. skylerj

    Badass swingarm

    I’ve broken my chain guide tabs 3 times now and are far beyond repairable. Bought a used on on eBay for $100 and decided to make it bulletproof. made with 6061 and welded with 5356 filler. Bamm.
  15. Tate2002

    Crf is a pain to start.

    I have a 2006 crf250r. Bike is a pain to start. Just checked timing, rings etc. new rings, and newer piston. Once the bike is started it runs great. Snippy and quick. Valves are in spec and I’m not sure why it’s so hard to start. About to try a procedure tomorrow sometime after school so I’ll stay updated. I know pretty much everything there is to know about a 4 stroke engine. Not being cocky. I’m def not confident in carbs tho. Is it jetting?
  16. Evan Dodd

    Is my clutch bad?

    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
  17. Cody Garcia

    2018 Honda CRF250R Rebuild Times?

    Does anybody know the recommended rebuild times for racing on a 2018 Honda CRF 250R? I am a B level motocross racer and I have 30 hours on the bike so far, the bike is completely stock except for a complete Yoshimura exhaust system. I know that the piston is recommended to be replaced at 15 hours. When does it need a complete top end rebuild with valves and springs and when does the bottom end need to be rebuilt?
  18. Chris Edwards

    Looking for riders near olympia wa

    Hey guys, looking for some help, my daughter and I are new to riding (3mo) we are both riding Honda's 250r and a crf80. I am Trying to self teach my self but I'm in over my head and looking for someone who can help tech us various techniques and how to do so safely. If anyone is riding near olympia, WA and wiling to teach someone new please let me know.
  19. There is a problem with my friends 06 crf250. It will start up and idle for a little bit and then stall. Turning on the choke makes it run longer but not by much then it stalls. Also, if you give it throttle to keep it from stalling it sputter and dies. The carb has been rebuilt, also all the Jets have been cleaned along with everything else. The tank had been emptied and filled with fresh gas. What could cause this?
  20. micnic 8888

    2013 crf 100 pickup coil

    So my pickup coil is still busted and the bike still isn't getting spark. Is there anyway you can fix them. Can I just buy the pickup coil or do I have to get the whole stator?