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View Full Version : Honda TRX 400EX & 400X ATV Info



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  1. leaking head gasket
  2. 400ex not starting.....Sort of a long read.
  3. 450r parts on 400ex
  4. blingstar ironcross vs ims imtimidator bumper
  5. cracked A-Arm, rideable?
  6. Nology spark plug wire
  7. Need help IDing this threaded hole in 400ex carb and also where a hose connects
  8. starter problem
  9. my stock head pipe mod ''grinding down the welds''
  10. My 426ex rebuild
  11. 400ex frame 450r motor
  12. yellow carbon fiber plastics?
  13. +1 or +2 a arms?
  14. how do you remove the choke
  15. which stems fit 400ex's?
  16. Swingarm bolt - need answers
  17. 99-04 vs 05+ calipers, rotors etc
  18. 400ex cam power gain
  19. What do you use for cleaner?
  20. Ex wont start
  21. Is there any difference between the 416 and 426 setup?
  22. carb. for 460 stroker
  23. Wheel Question
  24. Difficult shifting and constant neutral light
  25. Senior Project!?!
  26. is this a good deal???
  27. i rly want this quad
  28. denton stabilizer
  29. which cable for 450r carb?
  30. +? axle = 50"
  31. Valve adjustment help PLEASEE
  32. 400EX Storage Idea
  33. Pro X jets?
  34. help please
  35. Rear brake Problem??
  36. Compression Tester
  37. Blown Rear shock
  38. 400EX Stock Needle ?
  39. why does it lean?
  40. Ngk Dp9ae
  41. just ordered the 426 je kit
  42. Stock ex tail light
  43. power
  44. shortening your exhaust
  45. ignore my other post called shortening your exhaust
  46. 400ex
  47. 450R Exhaust on 400ex
  48. 400ex xc set-up/woods bike
  49. 400ex
  50. just got her
  51. Need QUICK minor electrical help with an 02 EX
  52. need nerf bars, any for sale?
  53. 400ex jumping the timing after fresh rebuild?
  54. oil in intake
  55. 70mph IN 4th GEAR!!! 1/8th mile time...
  56. dyno questions
  57. What is this?
  58. Suspension parts interchange?
  59. Piston question
  60. 16 tooth front sprocket
  61. 2000 400ex not starting after rebuild
  62. why clutch in 400ex dry?
  63. another before and after
  64. Need jets
  65. Sparks Advance Ignition Key?
  66. What kind of bulbs do you use?
  67. What is this 400EX worth?
  68. jetting help
  69. starter?
  70. 450 carb asap
  71. Dynatek-sparks-procom ???
  72. Jetting help
  73. block off plate
  74. Need help with bars
  75. white brothers E series. does it use a stock exhaust gasket?
  76. hey please help...
  77. What are youre favorite handlebars and why?
  78. 400ex exhaust dual brands
  79. which exhaust should i get
  80. need help..416 bore kit
  81. 20-6-10 fronts & 20-11-9 rears?
  82. Edelbrock carb Problem
  83. what kind of oil does everyone use?
  84. Sold the 440, switched to bikes.
  85. jetting problem?
  86. airbox delete?
  87. Front 450r shocks
  88. Who's running a HMF full polished exhaust?
  89. WTB 450r Shocks
  90. motor trade
  91. Bad idle/carb cleaning help
  92. Clutch slippage
  93. Seat Cover Staple Guns?
  94. Best pilot jet to help starting and jet question
  95. K&N Question
  96. Bets honda 400ex mods
  97. hour meter
  98. Hare scramble tips
  99. 450r shocks on 400ex, are they longer??
  100. Do i need a rebuild?
  101. douglas beadlocks dwt
  102. 2007 400ex price?
  103. my lil story-r4 exhaust?
  104. whats it worth?
  105. Rear brake rotor
  106. 400ex shocks
  107. 400ex carb swap
  108. 450r a-arms
  109. FMF with discs???
  110. Duncan Graphics Kit for 2003 400ex
  111. cool little mod
  112. Why does FMF Megamax suck?
  113. Compression Problem found
  114. Rear brake mount
  115. 450R shocks, fit?? Not on mine they don't
  116. Swing Arm Bolt?
  117. 400ex carb on 300ex bike
  118. need stock left upper 400ex a arm
  119. 400springs on 450 shocks
  120. cam install
  121. Looking for LSR 400ex frame.
  122. Just got a 400ex used for my 450r :).... Need help
  123. Installed 3degree key, retard instead of advance
  124. 2005 z400 shocks on a 400ex
  125. looking for 400ex motor
  126. GT Thunder 450R Shocks Taller??
  127. wont start HELP
  128. ex wont start! please help
  129. Looking for 07 up brake light plug
  130. 2 electrical connections on 450r carb?
  131. Spark Plug!
  132. HMF Ballence slip on
  133. air box and cdi box
  134. anybody?
  135. My first quad
  136. Curtis sparks cam and rocker arms
  137. hmf or motoworks?
  138. starting problems when hot
  139. secondary oil cooler
  140. HMF pipe on stock 400..opinions
  141. Quick answer 400ex pivot bolt, needle bearings
  142. sell it or keep it?
  143. Broken Timing Chain
  144. PRM Skid Plates and Grab Bar
  145. 400ex cylinder head!
  146. Removal of spring and plunger for cam install????
  147. crankshaft bearing
  148. roll-design long travel a-arms?how much?
  149. Doug gust 400ex?
  150. LeoVince exhaust
  151. 416 jug install
  152. Polished ex's
  153. Pro Circuit Exhaust for sale!
  154. E3 Spark plug
  155. How much performance do these offer?
  156. Front brake
  157. will a arms off a 300ex mount on a 400ex
  158. chrome cleaning tips?
  159. Anyone with red plastics and frame?
  160. 300ex motor rebuild questions
  161. Frame/Alignment Question
  162. Getting a lil closer to getter it done :D
  163. need help please
  164. Cam question
  165. bedliner on frame
  166. grab bar
  167. Cam Bearing?
  168. 400ex maintainance
  169. ceramic exhaust coating
  170. Post your handgaurds
  171. 08 450R shocks on 07 400EX
  172. what is the best rear shock
  173. shortened exhaust
  174. another wiring issue?
  175. any one interested in +1 a arms
  176. Valve Ticking
  177. my new project
  178. starter soleniod
  179. motor and exahust
  180. Dual exhaust
  181. Carrier Spacer
  182. Turbo 750Ex
  183. xc racing pics
  184. race hood question??
  185. what are these worth?
  186. Aftermarket headlights
  187. Idel problem!
  188. 2007 400ex
  189. new DG exhaust kits?
  190. clutch cable melting
  191. Wheres the/thread, pics to the 450 carb install??
  192. pink &black or pink&white????
  193. How to test the solenoid
  194. bearing carrier
  195. Whos racing school boy senior at nationals
  196. new 400ex
  197. starter question
  198. HiPer Rings
  199. What bend for TAG bars?
  200. Finally got everything I need...
  201. blowin smoke on startup.
  202. has any1 had any experience with the 460ex
  203. throttle issue
  204. jet questions w/ 450r carb
  205. A-arms
  206. 460 build ?'s
  207. header mod question
  208. need help with gearing
  209. clutch question
  210. 400ex sprockets
  211. Spring on a 02 400ex
  212. Brake help.
  213. reverse on 99-04
  214. HELP please i feel dumb
  215. 400ex popping on deceleration, backfire
  216. oil tank??
  217. Carb help.
  218. Motoworks Header
  219. Reverse
  220. nerf bar question
  221. Brake problems
  222. Which way does the cam face when putting in time
  223. carb issue (I think)...about ready to give up!
  224. 07 16t front sprocket?
  225. xr400 clutch parts on a 07 400ex
  226. what crf timing chain to use
  227. harness question
  228. 400ex shame!!
  229. 440 carb jetting help
  230. Show Off Your Ex
  231. Need a measurement
  232. Broken Cylinder Head Cover bolt?
  233. Lost nuetral?!?!?
  234. Hey, anyone know what heel guawhat aftermarket heel guards f ner 400ex with ac nerfs?
  235. need to figure out my jets
  236. New 1/8th mile time's!!!!!
  237. How far on a tank of gas?
  238. clutch perch help
  239. Will this axle work on my quad?
  240. Look What I Found!!!!
  241. edelbrock carb
  242. Guys running Kibblewhites...
  243. ticking topend
  244. white smoke after oil change?
  245. Need help identifying my nerf bars
  246. eyeball headight covers?
  247. A couple pics and questions
  248. razr vs. ambush
  249. REV box questions
  250. **400ex motocross budget build thread**