CRF450X thread.....

Discussion in 'Thumpers' started by zzlejeune, Apr 16, 2010.

  1. seabee1

    seabee1 we build, we fight

    Joined:
    Aug 9, 2008
    Oddometer:
    2,478
    Location:
    Scottsdale, Arizona
    snow? what's that? :rofl

    merry christmas.
  2. Mo-Tarded

    Mo-Tarded Been here awhile

    Joined:
    Jun 25, 2008
    Oddometer:
    179
    Location:
    Show Low, AZ, USA
    Seebee: Get on the 87 and go ~ 70 miles. See that white stuff on the ground ? THAT is snow !

    Merry / Happy all you CRFx'ers out there !
  3. robl110

    robl110 Adventurer

    Joined:
    May 6, 2012
    Oddometer:
    44
    Location:
    WBL
    What are you guys running for steering stabilizer? Scott or GPR worth the money? Some say they are a mandatory safety item? Just trying to do some research before I plunk down the money for a brp sub mount scotts.
  4. seabee1

    seabee1 we build, we fight

    Joined:
    Aug 9, 2008
    Oddometer:
    2,478
    Location:
    Scottsdale, Arizona
    I never ran one until a couple years ago. I could still do everything everyone else was doing, so I couldn't justify spending the cash. Then I tried one. I'll never be without one again. My front wheel stays on course better through the big rocky stuff, and I'm not as spent at the end of the day.
    I've never tried a gpr, I'm running a Scott's.
    love it!
  5. barrier

    barrier Says who?

    Joined:
    Oct 27, 2008
    Oddometer:
    514
    Location:
    North Wales UK
    Would anyone just happen to know the weight in Lbs of the stock 450X muffler. Don't go stripping your bike down and losing trail time. (Although I know many inmates would give you the shirt off their back) Looking to see what savings there are to be made going with a FMF Q4 which comes in at 5.9. Thanks.
  6. robl110

    robl110 Adventurer

    Joined:
    May 6, 2012
    Oddometer:
    44
    Location:
    WBL
    I have mine collecting dust in the garage. I will try to remember to weigh it tonight. If you don't see me post it up by 11 tonight. Send me a reminder.
  7. robl110

    robl110 Adventurer

    Joined:
    May 6, 2012
    Oddometer:
    44
    Location:
    WBL
    Stock CRF 450X muffler is 7.9lbs

    Shhhhh don't tell my wife I took her scale down to the garage :lol3
  8. barrier

    barrier Says who?

    Joined:
    Oct 27, 2008
    Oddometer:
    514
    Location:
    North Wales UK
    :lol3 Explain that one if you can!
    Honey.......... this inmate, I mean this fellow motorcyclist..........
  9. seabee1

    seabee1 we build, we fight

    Joined:
    Aug 9, 2008
    Oddometer:
    2,478
    Location:
    Scottsdale, Arizona
  10. helipilot650l

    helipilot650l Sweet!!!!!!

    Joined:
    Jul 11, 2009
    Oddometer:
    173
    Location:
    Medford, Or
    Hey guys I can't decide on what big tank to put on the CRF. Any thoughts. Some have radiator protectors biult in. But can't decide. Please help!!
  11. AndyCBR

    AndyCBR Been here awhile

    Joined:
    Sep 13, 2009
    Oddometer:
    123
    Location:
    Baton Rouge, LA



    I've got the IMS 3.2gal and it works with Works Connection Rad braces/stock rads and the stock plastics.

    Hope this helps..

    Andy
  12. nick_rhinocycles

    nick_rhinocycles Been here awhile

    Joined:
    Oct 15, 2006
    Oddometer:
    508
    Location:
    San Francisco, Moto capital of N. America
    My CRF leaked out all its tranny fluid.

    I had a look, and it seems that it's the output shaft seal behind the front sprocket.

    Motor oil level is fine.


    So did some research and it seems that you can pull the seal and replace without splitting the cases, but it looks like a fiddly job.


    While I have the thing down, I would also like to address the Clutch grab issue.

    What happens is you get no fine "clutch release".

    As you let out the clutch its like this

    ...nothing...nothing...nothing: FULLRELEASE


    which is not a porn-tastic as it sounds.

    Clutch does not slip, it just is like an ON/OFF switch


    What do you guys think the issue might be there? What to look for?

    --Nick
  13. KZJohn

    KZJohn Been here awhile

    Joined:
    Aug 15, 2008
    Oddometer:
    362
    Location:
    Anaheim Hills
    No/low trans fluid level will wreck your clutch. Pull the clutch cover off and inspect the plates. Look for hot spots on the metal plates and glazing on the fiber ones. Also look to see if the clutch basket is grooved where the plates contact it. How many hours do you have on that motor and when was the last time you replaced the clutch?
  14. nick_rhinocycles

    nick_rhinocycles Been here awhile

    Joined:
    Oct 15, 2006
    Oddometer:
    508
    Location:
    San Francisco, Moto capital of N. America
    I took the bike on a weekend dualsport and only noticed a little weeping at the end of the trip.
    The oil did not really come out until after it was parked. Of course it's impossible to really know because they
    did not see fit to put a freaking dipstick on the transmission oil. Gotta keep the weight down, huh?
    I was running a full quart of oil in the trans, FWIW. The bike is a 2005.

    I have no idea how many hours are on the bike or clutch.
    I see parts and pieces in my future!
    thanks!
    --Nick
  15. KZJohn

    KZJohn Been here awhile

    Joined:
    Aug 15, 2008
    Oddometer:
    362
    Location:
    Anaheim Hills
    When you buy your seal and clutch parts pick up an hour meter. They don't cost much and make it easyer to keep track of the maint. I bought one when I bought my CRF/X and base all of my work off of that and my service notes. BTW, hot spots on the metal plates will make a clutch "grabby".
  16. seabee1

    seabee1 we build, we fight

    Joined:
    Aug 9, 2008
    Oddometer:
    2,478
    Location:
    Scottsdale, Arizona
    I'm running the acerbis tank, and love it. I never run out of gas, and the tank protects the radiators. It does a good job of it, too. I know:deal
  17. MartiniUp

    MartiniUp Long timer

    Joined:
    Jul 14, 2010
    Oddometer:
    2,057
    Location:
    TX
    Your ctrshaft seal was ruined because you had the chain too tight. If you are going to get it wrong its better to miss on the slightly loose end. Adjust it correctly or you will become an expert at this job.
  18. nick_rhinocycles

    nick_rhinocycles Been here awhile

    Joined:
    Oct 15, 2006
    Oddometer:
    508
    Location:
    San Francisco, Moto capital of N. America
    That is my conclusion too!
    So the proper method is:

    Bike on stand such that the rear wheel is in the air, and suspension is fully extended.

    At the end of the chain slider (top) push down on the chain and measure from top of chain to bottom of swing arm.
    Push up on chain and measure to stop of swing arm.
    Difference should be 25-30mm (~1 inch).

    Sound about right?

    --Nick
  19. seabee1

    seabee1 we build, we fight

    Joined:
    Aug 9, 2008
    Oddometer:
    2,478
    Location:
    Scottsdale, Arizona
    man, i love this machine!

    [​IMG]

    [​IMG]
  20. helipilot650l

    helipilot650l Sweet!!!!!!

    Joined:
    Jul 11, 2009
    Oddometer:
    173
    Location:
    Medford, Or
    Anyone with a plated crf450x in Oregon? :deal