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  1. Honda TRX
    I have a 2000 trx400ex; the carb needle seems to need adjusting but, there’s only one position on the needle sooo.. any thoughts/suggestions? Bogging down, coming downhill and while level but, not going uphill. Help 😭 please and thank you.
  2. Honda ATV Polls
    So I bought a trx400ex for my first quad in January and it did not have any problems then I changed the carb 3 days ago i went ridding this afternoon and I was going up this small hill in second it died then I tried to turn it back on it did but it won’t go I pulled the clutch and turned off and...
  3. Repair & Maintenance
    ok... its exactly how it sounds, idk im guessing someone didnt tighten the plug enough, and after a long day of abuse in my back yard, the explotion in the cilinder chamber sent the plug flying out. now the right way to fix this problem is geting a new cilinder head. currently that is...
  4. ATV General Discussion
    I have a Trx400ex I rode it one day and it stoped and the back wheels locked up I have since inspected the head and piston and crank which all seems to be fine it turns over but slowly any suggestions on what it could be
  5. Honda TRX
    good morning I am in search of a downloadable repair manual for a 2006 trx400 ex sport,
  6. Repair & Maintenance
    good morning I am in search of a downloadable repair manual for a 2006 trx400 ex sport,
  7. Repair & Maintenance
    good morning I am in search of a downloadable service repair manual for a 2006 trx 400 ex sport quad,
  8. Performance Modifications
    I only trail ride and I’m looking to get a little more juice out of the 400ex on a bit of a budget, I was thinking of leaving it a stock bore, I have a big gun eco r slip on, and stock everything else, I was thinking of throwing a new stock bore piston in it just to freshen it up for the season...
  9. Repair & Maintenance
    okay, so ive got a new rear swingarm and all pretty much a entire brand new rear end. problem is i cannot for the life of me get my rear swingarm bolt out. ive tried a ton of pb blaster and a bfh, no help. ive even cut the rear half of my swingarm to get more room... ive tried cutting the...
  10. Repair & Maintenance
    Hey guys, any ideas would be greatly appreciated on this. So it started a few months ago, riding with some buddies and my 400ex all of a sudden lost power. Wouldn't fire, wouldn't sputter. Towed it home, and then it fired right up. It continued this pattern for a week or two, ran perfectly for...
  11. Repair & Maintenance
    Bought this 400 that basically just needed the top end rebuilt. Guy started the project but never finished it. So i got to wrap up his project. I was trying to put the top engine mount in and I can not get it to line up. The head cover that he sold with the waud was broken right at the top...
  12. ATV Parts for Sale
    Email with request and offer - entire bike going, plus extra parts. Local Pickup or shipping available with payment. Thanks guys!