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trx450r

  1. Engine
    Ok so I’m new to this website and also new to trying to work on something mechanical as well. (Green as can be mechanically that’s is) This will be my first time trying to work on one cause I have just lost all faith and trust for people now to allow anyone else to work on my stuff so just...
  2. Lounge
    Hi guys! can anyone assist me in telling me what jet sizes to use? I have a high compression piston, hot cams stage 2, standard pipe with a Big Gun exhaust evoR tail piece and an open airbox. Thanks hope to get some fedback.
  3. Parts/Accessories
    I am trying to upgrade my tRx 450 er to make it be better. I am around 130 lbs and have around 1000 Bucks as my budget. I mainly race and trail ride and go to the dunesThe mods that I have for are green wire mod, full sparks exhaust, Fox float shocks up front Fox podium in back Aluminum skid...
  4. Body, Controls, and Protection
    So i did a hill climb and i got to the to the top and I pressed it in and it was very heavy and hard to push in so I think im going to get a new throttle cable. I was looking at the moose easy pull throttle. It just has to be as good as stock or better it doesn't have to be special. I don't do...
  5. QOTM Winner
    I know there is probably a lot of Honda guys that will probably hate on this one because it’s not a Honda motor, but I have a 1986 YZ250 2 stroke motor and a 2004 TRX450R chassis laying around and was wondering if it would work or if anyone has ever done this or have seen this done.
  6. Engine
    So today I washed my 450 and I let it dry and now theres a hissing noise coming from the wheep hole I think that's what it's called. It's coming from the little hole on the right side of the cylinder. Could anyone give me any ideas on what's wrong because I dont wanna wreck anything. Any info...
  7. New Member Introductions
    Disassembled clutch case, clutch and other components to diagnose a starter clutch problem am wondering if the atv needs to be in neutral to enable the gears to free spine and if so do I need to reassemble clutch and push rod to get into neutral. Having trouble getting shifter to function...
  8. Engine
    Hey I'm new here but I was wondering if my HMF ironman (slip on) will work with a hrc header pipe? I have been reading that some have had their HMFs work and others say it wont work. So I was wondering if anyone could help me out and help me make a decision. Thanks in advance for your help!
  9. Engine
    I got a 2005 Honda TRX450r. Starts fine. Once warmed up, idles really high in neutral or when squeezing clutch in. Wants to take off in first gear when going, as if pressing the throttle. Revs high in first and while in neutral. Idle screw doesn’t do much anymore, stays high. Pretty much I’m...
  10. 2019 Gorman Big6 race

    2019 Gorman Big6 race

    Photos taken by Joe Salas, his instagram: 4theriders
  11. Engine
    Alright, I’m new here everyone. I see a lot of people doing a kicker conversion to the ER bikes. Especially those building race rigs. My question is why convert to kicker? Also why use 04/05 gear ratios versus 06+? I am going to build a WORCS rig so I’m trying to use as much experience and...
  12. TRX450R.org Project Quads
    I would like to know if a crf450r crank and piston would fit in my 2005 Trx450r. I can’t find a trx450 crankshaft for sale but I found a crf450 one and wanted to know if it’ll fit inside the engine. Please get back to me. Thank you.
  13. Engine
    Hi, I’m new here and I need help. I have an 05 Trx450r that recently locked up on me and I would just like to know if a crf450r crank and piston would fit inside like trx450 engine. Please get back to me. Thank you all.
  14. Engine
    So I have a 2007 trx450er I've been building slowly over the last year to drag race on dirt and play with around the house getting ready to go to a 520 bigbore non stroker 14:1 piston and a race ported head im stuck on cams id like to go with stage 3 hot cams but not really trying to replace...
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