Honda TRX ATV Forum banner

trx400ex

  1. TRX General Discussions
    Hello I just recently purchased a trx that needed new oil rings. I did a top end rebuild and got the quad put back together and now the engine won’t crank but the headlights will come on. No neutral light. It is a 2008. I believe my problem might be the cable that goes from the negative on the...
  2. Maintenance / Important Information
    Hi i have a 2005 honda trx400ex with a loud ticking noise. i did a valve adjustment and problem was still there. any advice on what to look at next. the motor is completely stock. i have done some research and found it could be different things causing the ticking. how am i able to tell if my...
  3. Maintenance / Important Information
    i bought a 2008 trx400ex a week ago it has a new 440cc big bore that the guy installed, i still have the stock bore which is in good condition and pistons. The upgrades i have are the big bore an hmf slip on and that all that i know of airbox is still on i dont know if the quad has been jetted i...
  4. Suspension/Steering/Chassis
    i recenlty bought a 2008 trx400ex the guy gave it to me with the grab bar not attached cause he didnt have the bolts but i noticed that there is no where to attach the grab bar that he bought it looks like every grab bar on ebay for a 400ex but where you attach the grab bar on my quad its just...
  5. Honda TRX News
    Flipped the ATV a few times and replaced the bars but wasn't happy. Also, flipped it again and bent the bats. Don't want to pay the OEM price. Saw these and it says they have the OEM bend. Has anyone tried them? https://www.2wheel.com/moose-utility-oem-replacement-handlebars.html
  6. TRX General Discussions
    hi I'm going to meet a guy soon to possibly trade my trx400ex which is 01 for an 01 xr400. Do you think this would be an even trade? On nada his bike has more value but what's your guys opinions?
  7. New Member Introductions
    Hello, i am from argentina and i got a trx 400x 2013 some days ago, i am looking for a system exhaust. I was told that the best one for this quad si the curtis spark. But i am not sure because i am new un this topic. I want your opinion and thanks for reading it!
  8. TRX General Discussions
    Hi all, Please bear with me, I'm trying to get back in to off roading. I'm usually in my Jeep, but looking for a quad now. Used to ride dirt bikes. I'm a bit older, so I'd really like an electric start, 4 stroke, and with reverse. A mechanic friend told me to stay away from all the years of...
  9. New Member Introductions
    Hello -- need some advice. I have a 2001 400ex and I'm looking at getting either the new TRX 400x or the 450r. I mainly ride on a private property that has quite a bit of open fields as well as trails. However, I do plan on using more the state parks and I'm debating which quad to buy. It looks...
  10. New Member Introductions
    this is the very trx70 i learned to ride on, the 250x i bought for my wife, the 250r i built up and a few days ago got me the 400ex for some trail riding. tell me what you think
  11. For Sale
    400ex parts: - top end gasket kit-35 shipped -front spindels -50 plus shipping - 4 tie rod ends -stock cdi box--20 shipped -stock seat will need new seat cover--40 plus shipping -stock seat in good condition 55 plus shipping - red full stock plastics(front , rear and tank cover) (front...
Top