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



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  1. wont run at WOT (5 replies)
  2. Backfiring or wrong idle? (9 replies)
  3. Newquad need to rejet (7 replies)
  4. damnit (5 replies)
  5. racing style fenders how to ?!! (8 replies)
  6. magnum cam specs 400ex (6 replies)
  7. Which Hotcam... (13 replies)
  8. tire alignement? (7 replies)
  9. Jetting or Carborator (3 replies)
  10. Post pics of your rides (86 replies)
  11. Blown Top end (4 replies)
  12. Intake Valve springs Failing? (2 replies)
  13. Ricky Stator (2 replies)
  14. Whats wrong with ,y front brakes?! (1 replies)
  15. Rebuild ?'s (1 replies)
  16. What the heck?! (4 replies)
  17. cheap speed (8 replies)
  18. Whats the difference between stg 1 and 2 hotcams (6 replies)
  19. Installing a sparks advance key (7 replies)
  20. 05-07 headlight mount (1 replies)
  21. Need Help, Wont Start (2 replies)
  22. post pics of your 400ex (48 replies)
  23. Two Questions (5 replies)
  24. Stock 400ex jug (7 replies)
  25. Sheet (4 replies)
  26. Hotrods 460 (7 replies)
  27. Help with 426 rebuild (2 replies)
  28. What jets? (5 replies)
  29. Pics of my Bike (9 replies)
  30. spliting case hard? (11 replies)
  31. baja racing (1 replies)
  32. reply (0 replies)
  33. quad wont start (2 replies)
  34. Clutch Question (3 replies)
  35. HD Cam Chain (9 replies)
  36. slip on exhaust suggestion (11 replies)
  37. mx question (6 replies)
  38. Carb Question (6 replies)
  39. Help with rich carb (1 replies)
  40. Carb adjustment? (3 replies)
  41. 440ex back to stock (8 replies)
  42. magura hyd. clutch replacement line? (1 replies)
  43. Couple of questions (16 replies)
  44. 440 questions (4 replies)
  45. blew up again! 8 hours later.... help? (10 replies)
  46. New guy to the hobbie (11 replies)
  47. Picture of My 05 last week (10 replies)
  48. 18s what sprocket size? (7 replies)
  49. 04 400ex (24 replies)
  50. stud question (1 replies)
  51. sprokets (7 replies)
  52. White Brothers Power Up Kit (4 replies)
  53. 400ex Rear shock revalve questions (0 replies)
  54. 400ex Rear shock revalve questions (0 replies)
  55. wont start (3 replies)
  56. 450r carb on 400ex jetting question (5 replies)
  57. 450r carb install (2 replies)
  58. idleing (13 replies)
  59. problem (6 replies)
  60. new guy (15 replies)
  61. Problems (4 replies)
  62. lookin to buy some black beadlocks anybody got any 4 sale 4 my 400ex (0 replies)
  63. jetting (0 replies)
  64. what do you guys think (9 replies)
  65. problem with 450r carb clearance (2 replies)
  66. wont start, wont even turn over (8 replies)
  67. oil overflowig in breather tank help (0 replies)
  68. clutch cable HELP!!!!!! (15 replies)
  69. New hood pics (15 replies)
  70. help - transmission jumps out of 2nd gear to neutral (8 replies)
  71. piston or cylinder? (6 replies)
  72. i need help (6 replies)
  73. 05 air screw (2 replies)
  74. won't start (4 replies)
  75. compression (4 replies)
  76. big bore kits (3 replies)
  77. how do you get springs off 400ex shocks!?!?!? (10 replies)
  78. Trail Tech bar clamp/handlebars (19 replies)
  79. Stem question (5 replies)
  80. wheres my cdi box located (6 replies)
  81. New pics! hiper/elka/hsd 400ex (31 replies)
  82. my 440 rebuild!!! (45 replies)
  83. Crank Covers (3 replies)
  84. Question (1 replies)
  85. Will 300ex breakes fit on a 400ex (7 replies)
  86. 440 big bore with everything else stock. How does it run? (19 replies)
  87. billet grips? (4 replies)
  88. Wrapped exhaust (12 replies)
  89. engines misses and dies electrical? mud?? (1 replies)
  90. Not Starting-Big Backfires (4 replies)
  91. aftermarket coils (3 replies)
  92. Axle Has A Little Play (13 replies)
  93. Simple question about headlights (5 replies)
  94. Are Cometic or OEM Headgaskets better? (9 replies)
  95. 400EX Newbie q's (16 replies)
  96. No Spark (2 replies)
  97. Graphic Kits for Fullbore Plastics (2 replies)
  98. scott smith(aka pro fab atv) (9 replies)
  99. need jet help (7 replies)
  100. burnouts (6 replies)
  101. I don't know how an exhaust pipe works. (10 replies)
  102. 400ex graphics kit (5 replies)
  103. how to get stock chain off (6 replies)
  104. slow leak (12 replies)
  105. my 400ex vs buddies 400 ex (12 replies)
  106. jets (6 replies)
  107. carb settings (4 replies)
  108. 400ex axle nut!?! (18 replies)
  109. getting aarms off (6 replies)
  110. 250r brake hub (1 replies)
  111. Smoking 440 (11 replies)
  112. Bore Kits (3 replies)
  113. Need quick answer (6 replies)
  114. does any one know? (8 replies)
  115. Need Help (5 replies)
  116. ned a coil (0 replies)
  117. torque spec link??? manual (1 replies)
  118. bent tie-rod. (6 replies)
  119. Nerfs (3 replies)
  120. 450r shifter on 400 ex (4 replies)
  121. Gasket question (5 replies)
  122. Pep (2 replies)
  123. Im A 2-stroke guy, Need some help with my first thumper! (11 replies)
  124. High comp piston (1 replies)
  125. 400ex gaulded piston HELP!!! (12 replies)
  126. 400ex Good? (2 replies)
  127. oil burning (2 replies)
  128. bad gas (1 replies)
  129. needle or air fuel screw? (16 replies)
  130. needle help (1 replies)
  131. 400ex idle adjustment screw help (2 replies)
  132. Engine temp question (16 replies)
  133. smoken it up (10 replies)
  134. carb question (19 replies)
  135. Why can't I get my 416 jetted correctly??? (6 replies)
  136. which chain (7 replies)
  137. 400 cam question (3 replies)
  138. sprocket hub????need help (8 replies)
  139. Valve cover and top end gaskets? (3 replies)
  140. really need help!!! (15 replies)
  141. HMF slip on (4 replies)
  142. edelbrock carb on 426ex (2 replies)
  143. itp wheels (1 replies)
  144. Extended A-Arms (1 replies)
  145. Extended A-Arms (8 replies)
  146. 400ex help (3 replies)
  147. Decompression and Jetting Problem (1 replies)
  148. soft breaks (3 replies)
  149. 416 / 426 cylinder question (1 replies)
  150. new shocks!!!!! (2 replies)
  151. white bros mx4 (0 replies)
  152. Backfires (5 replies)
  153. 400ex compression (6 replies)
  154. painted the engine! (92 replies)
  155. not good (1 replies)
  156. carb leak problem here too (1 replies)
  157. backfiring (22 replies)
  158. z400 carb on 400ex??? (8 replies)
  159. no spark (7 replies)
  160. 400's with powdercoated frames (5 replies)
  161. finally done!!! (10 replies)
  162. mystery oil leak? (3 replies)
  163. Stupidest thing about the 400ex (30 replies)
  164. dumb ? (2 replies)
  165. Lean Resolution? (9 replies)
  166. carb leaking (4 replies)
  167. 400 buring oil? (0 replies)
  168. 400's with trail tech headlights. (12 replies)
  169. What can I do to the HEAD while it's off? (3 replies)
  170. What REV BOX is best guys? (12 replies)
  171. 440 reliabily? (4 replies)
  172. Idle problem (7 replies)
  173. What do you think? suggestions (4 replies)
  174. New Graphics Pics (14 replies)
  175. Belt Driven 400ex (14 replies)
  176. graphics question... (3 replies)
  177. buying an 07' 400ex (14 replies)
  178. sprocket hub ???????????????????? (0 replies)
  179. pro taper handlebars on 400ex (2 replies)
  180. 05 450r shocks (6 replies)
  181. HELP!! Not Starting (5 replies)
  182. Is it bad to run a 400ex with a leaking head gasket? (3 replies)
  183. 400ex clutch (2 replies)
  184. 400ex Running Strange (6 replies)
  185. cover polish question (5 replies)
  186. starting problem (1 replies)
  187. Plug Colour and the new Hmf System (8 replies)
  188. is a heavyduty cam chain supposed to make a scraping noise? (3 replies)
  189. Rad locknut question (6 replies)
  190. September '06 Blingstar Quad of the Month For Sale (1 replies)
  191. Keihin vs. DynoJet Jets (5 replies)
  192. After youve got these mods... (9 replies)
  193. 400ex questions (3 replies)
  194. NEED HELP TRADING 400ex for an 450r (3 replies)
  195. help please (11 replies)
  196. stock carb jetting (7 replies)
  197. My 460 Stroker CHECK IT OUT (20 replies)
  198. Namura Technologies .060 Over Piston???? (12 replies)
  199. Will these work to helicoil valve cover bolts? (2 replies)
  200. Sproket set up (4 replies)
  201. 400ex....good buy? (33 replies)
  202. need help bad! (4 replies)
  203. high idle (12 replies)
  204. YFZshocks (14 replies)
  205. Shortened nose 400? (4 replies)
  206. Cherry bomb (9 replies)
  207. xc sprocket gearing (4 replies)
  208. 400 EX, Banshee and a Raptor? (4 replies)
  209. Exhaust (12 replies)
  210. 450 aarms (3 replies)
  211. axle lock nut (6 replies)
  212. 99 400ex (4 replies)
  213. hard to get into neutral (8 replies)
  214. D shaped pilot screw? (20 replies)
  215. reverse button hole (6 replies)
  216. xc bumpers (11 replies)
  217. gasket kit for big bore? (3 replies)
  218. 400ex A Arms (5 replies)
  219. MX quad racing in a harescrable? (2 replies)
  220. instalation of hot cams? (4 replies)
  221. pics from the last race (12 replies)
  222. carbon fiber side panel and headlight trim (7 replies)
  223. cam with stock exhaust (2 replies)
  224. HD cam chains (4 replies)
  225. help wont crank now (20 replies)
  226. 416 started knocking and losing power (3 replies)
  227. removing flywheel (2 replies)
  228. 400ex rebuild (24 replies)
  229. CBR 1100 Oil Cooler (17 replies)
  230. Gearing Help, MX and freestyle (7 replies)
  231. 3rd Gear problem (12 replies)
  232. Problem with rear caliper mount (2 replies)
  233. AIr Scoops for a 2005 400EX (2 replies)
  234. I just did a rebuild and I have a small head gasket leak. (46 replies)
  235. The Decompression Mechanism (2 replies)
  236. Front brake drag? (16 replies)
  237. 400ex wont idle! please help (1 replies)
  238. 450R shocks WOW!! I love um (8 replies)
  239. Valve Seals and Hotcam **HELP** (3 replies)
  240. My 400 pics....ideas? (21 replies)
  241. powermadd handguards (5 replies)
  242. can't adjust valves properly help (2 replies)
  243. engine rebuild (1 replies)
  244. hmm would this work? (5 replies)
  245. 400ex keeps running when shutoff (2 replies)
  246. compression(or lack of) (19 replies)
  247. Another Question - Can't find an answer anywhere. (15 replies)
  248. Pics of 400ex's w/ grab bars (5 replies)
  249. Pro Armor Sport Series Nerfs (not pro peg) (1 replies)
  250. axel removal? (2 replies)