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



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  1. jetting k&N filter only ?? 400EX (6 replies)
  2. how much. (15 replies)
  3. Question about jets themselves, not jetting. (18 replies)
  4. 400ex Gusset kits (1 replies)
  5. lost key (9 replies)
  6. Best Brakes (27 replies)
  7. check er out!! (12 replies)
  8. need help with article (1 replies)
  9. 400ex twist throttle (1 replies)
  10. front suspension noise (0 replies)
  11. 400ex won't start (6 replies)
  12. post your quad pics here (5 replies)
  13. tusknerfs (6 replies)
  14. jet size help (5 replies)
  15. 400EX price/parts (5 replies)
  16. Air/fuel Screw Question (5 replies)
  17. My P.O.S 400ex (22 replies)
  18. building the ultimate sleeper??? (2 replies)
  19. 400 backfireing (14 replies)
  20. 400ex vs YFZ450 (1 replies)
  21. pics of my 400ex (30 replies)
  22. NEMX 3-19-05 PIcs and short Vid (0 replies)
  23. New Here, Heres pics of my 400ex. (5 replies)
  24. my 400ex rebuild (5 replies)
  25. What was wrong with the first year 400EX's? (14 replies)
  26. 400EX front sprocket (2 replies)
  27. Back Shock Rebuild (0 replies)
  28. Good Bye to the EX. (14 replies)
  29. axel question (2 replies)
  30. 400EX temperature (10 replies)
  31. unsolvable 400ex problem with starter engaging but no engine turnover (12 replies)
  32. tc pipe jetting (1 replies)
  33. 05 ex (1 replies)
  34. 400ex motor questions!!!! (1 replies)
  35. 416 vs. 406 is there a big differance? (1 replies)
  36. Stock jet is Keihein? (7 replies)
  37. Hot cam st 3???? (5 replies)
  38. 416 kit (1 replies)
  39. shocks and a-arms (3 replies)
  40. Help w/ clutch cable (1 replies)
  41. Je 12:5:1 (2 replies)
  42. fmf or hmf titian4 pipes (1 replies)
  43. noob Just got 400 (7 replies)
  44. kick start for 400ex (8 replies)
  45. 416ex piston (10 replies)
  46. 400Ex or Raptor (9 replies)
  47. 2004 gearing (1 replies)
  48. quadtech hood (5 replies)
  49. HMF exhaust (2 replies)
  50. carrier...or....bearings....??? (4 replies)
  51. Leaded Or Unleaded (0 replies)
  52. octane booster (2 replies)
  53. thoughts on K&n powerlid (4 replies)
  54. main jet sizes?? (9 replies)
  55. should i remove sprks key? (12 replies)
  56. how hard is accessing the carb? (2 replies)
  57. buying my first 400ex!! Is this a mistake?! (5 replies)
  58. My teaser (0 replies)
  59. 450R carb on 416ex (8 replies)
  60. confedort flag seat cover (6 replies)
  61. DG Fat Series Nerfs (3 replies)
  62. 16 toothe case saver ??? (2 replies)
  63. curtis sparks x-6 (4 replies)
  64. my 400ex (5 replies)
  65. Whats gearing do you run and how do you like it.. (12 replies)
  66. What is a hybrid quad? (1 replies)
  67. 400EX Wont Start (4 replies)
  68. 250R brakes on a 400EX? (2 replies)
  69. Erratic Idle??? (4 replies)
  70. restricting a 400ex (15 replies)
  71. Shorten or Bend clutch lever? (1 replies)
  72. really weird backfiring problems (16 replies)
  73. 400ex VS KFX 400 (5 replies)
  74. Best big bore kit (1 replies)
  75. Turbo 400ex (6 replies)
  76. how fast is a stock 400ex (20 replies)
  77. jetting question (1 replies)
  78. 250r A Arms??? (23 replies)
  79. Your "Air" Pics (48 replies)
  80. 100ll (8 replies)
  81. Help with front and back sprockets (18 replies)
  82. Exaust (2 replies)
  83. oil cooler (3 replies)
  84. mxr4 HOLESHOTS (9 replies)
  85. seat cover (3 replies)
  86. easier clutch pull (1 replies)
  87. oil level (4 replies)
  88. YZ 426 conversion (1 replies)
  89. Fasteat pipe for a 400ex (18 replies)
  90. powermadd? (11 replies)
  91. trade red for silver plastic? (1 replies)
  92. 400ex wont start (9 replies)
  93. are wheel spacers worth buying (5 replies)
  94. 440 vs. 416 (26 replies)
  95. Stage 1 or 2 (14 replies)
  96. 450r on 400ex (1 replies)
  97. 05 400ex mixture screw (7 replies)
  98. some kinda problem (6 replies)
  99. burning lots of oil (12 replies)
  100. having trouble picking a pipe?? (26 replies)
  101. LRD power up kit? (1 replies)
  102. 400ex vs. raptor (22 replies)
  103. need help for gearing (0 replies)
  104. Building EX motor for 06 Nats (2 replies)
  105. Can I Use These Parts On A 400ex?? (0 replies)
  106. 4- what? (13 replies)
  107. Went in a pond (1 replies)
  108. Power (0 replies)
  109. More Power (10 replies)
  110. where to get a 408/416 kit? (2 replies)
  111. anyone paint the stock a-arms? (7 replies)
  112. 110 octane ????? (10 replies)
  113. 400...406...416? (3 replies)
  114. My 400ex and friends yfz450 (11 replies)
  115. head pipes (8 replies)
  116. hmf ? (1 replies)
  117. Need help Quick, Float bowl overflow pouring out gas (8 replies)
  118. Pipe (2 replies)
  119. tc rev box (4 replies)
  120. Any Thoughts on Reverse? (15 replies)
  121. stroker (2 replies)
  122. 110 gas in my 416 (5 replies)
  123. Air Box Question (1 replies)
  124. timing changes (0 replies)
  125. xr 250 CDI (2 replies)
  126. 400 ex fluids (2 replies)
  127. gas? (8 replies)
  128. the BEST sprockets(front & back) for 05 400ex (0 replies)
  129. 05 EX rough running in reverse (9 replies)
  130. 450r filter on a 400ex (1 replies)
  131. rejetting (4 replies)
  132. hood (0 replies)
  133. what size chain for longer swingarm?? (0 replies)
  134. what to get? (5 replies)
  135. cold starts (10 replies)
  136. Curtis Sparks full system for slip-on? (5 replies)
  137. GT Thunder CDI & Stg 2 cam (2 replies)
  138. exhaust question... (2 replies)
  139. front plastics (3 replies)
  140. Worked blaster vs stock 400ex (12 replies)
  141. 450r slip on on 400ex (4 replies)
  142. 42 pilot jet (8 replies)
  143. 400ex headpipe (8 replies)
  144. clutch springs. (1 replies)
  145. Need A Little Help Guys!!!!!!!!! (2 replies)
  146. 2005 400ex is so sweet! (64 replies)
  147. Leakin gas (9 replies)
  148. mx or xc (4 replies)
  149. G-Force Axles?? (5 replies)
  150. Looking at buying a new 400!!! (4 replies)
  151. bore (5 replies)
  152. Starting Out 400EX (7 replies)
  153. Magnum cam (2 replies)
  154. is it worth it??? (6 replies)
  155. What Revbox do you have? (19 replies)
  156. What is the best Chain and Sprockets for the EX (8 replies)
  157. 400EX Info (2 replies)
  158. 400ex timing chain (10 replies)
  159. 01 400ex Spark Plug (15 replies)
  160. i need aarms (0 replies)
  161. MA and NH People, Best Honda Dealer?? (7 replies)
  162. AIrbox Suggest. (1 replies)
  163. 440ex vr 416ex vs anything toher kits you can put in there. (1 replies)
  164. nerfbars (0 replies)
  165. 400ex headlight guards (7 replies)
  166. how fast are the 450? (3 replies)
  167. do you guys with mx quads ride trails? (9 replies)
  168. 2004 stock 400 ex help (10 replies)
  169. Lets get this thing AWAKE!!! (7 replies)
  170. 416 vs. 450r (40 replies)
  171. front hubs (2 replies)
  172. Need help, My float bowl overflow is pouring (7 replies)
  173. pilot jet help (5 replies)
  174. Quad Tech Hoods (19 replies)
  175. 450R shocks on 400EX (5 replies)
  176. 1st thing (2 replies)
  177. 2005 Owners....Price Question (8 replies)
  178. keeping a 440ex cool (21 replies)
  179. My new TRX 400EX (9 replies)
  180. jettting with WB e-series pipe can anyone help? (3 replies)
  181. Snow Plow (0 replies)
  182. 450r carb on 400ex (2 replies)
  183. 416 (14 replies)
  184. flushing oil lines and cooler (0 replies)
  185. installing pivot bearings (0 replies)
  186. 2004 400ex price (8 replies)
  187. Weight (1 replies)
  188. My 400ex i purchased today (13 replies)
  189. check out my shaved fenders (different) (9 replies)
  190. exuast wrap on a 400? (6 replies)
  191. pep shock question (0 replies)
  192. Hybrid pics (38 replies)
  193. did you know?? (4 replies)
  194. Six Pack Racks (3 replies)
  195. Im Lookin for a modded 400ex that would trade/sale for raptor modded alot!would sale (2 replies)
  196. correct oil level (5 replies)
  197. cheap compression fix (4 replies)
  198. Re-jet ? (5 replies)
  199. Thinkin of gettin a 400ex (5 replies)
  200. rims (1 replies)
  201. What to buy for the wife (12 replies)
  202. lte dual exhaust sistems (18 replies)
  203. ngk split fire (6 replies)
  204. 400ex vs banshee (19 replies)
  205. Who was looking for these? (400ex headlight cover eyes) (0 replies)
  206. Hmf (8 replies)
  207. My Quad!!!!!! (19 replies)
  208. cfm aluminum airbox (10 replies)
  209. which iz better? (4 replies)
  210. dyno jet (10 replies)
  211. 440ex Reiablility???? (6 replies)
  212. 300ex starter to 400ex? (3 replies)
  213. my review on 14/39 gearing (14 replies)
  214. Big Gun Full Exhaust (9 replies)
  215. anyone have?? (1 replies)
  216. white brother pipe question (6 replies)
  217. Motor Question (3 replies)
  218. help !!! (12 replies)
  219. Nerf Bars (4 replies)
  220. Hotcam (22 replies)
  221. 400ex Hybrid or 250r (4 replies)
  222. Neutral Light (1 replies)
  223. trasmission (4 replies)
  224. R-4 Slip On. Any Good???? (4 replies)
  225. Jtm (1 replies)
  226. Curtis Sparks 6 degree key????? (3 replies)
  227. snorkel problem (1 replies)
  228. banshee rims on 400ex??? (3 replies)
  229. I have to adjust clutch cable, clutch wearing or cable? (2 replies)
  230. axle questions (2 replies)
  231. hey should i trade this raptor for this 400ex (3 replies)
  232. 10:1 or 11:1 (12 replies)
  233. stock carb? (2 replies)
  234. Does anyone make a kit to switch engines? (5 replies)
  235. Couple Different issues/questions (5 replies)
  236. parts under $50 (12 replies)
  237. Skids (3 replies)
  238. got new pics (21 replies)
  239. Hoods And A Arms (2 replies)
  240. Steering Stabilizer? Help Please!!! (1 replies)
  241. Trade z for ex (9 replies)
  242. Gearing Calculator (2 replies)
  243. New Mobil 1 fried my motor (9 replies)
  244. yfz rear shock (3 replies)
  245. another jetting question (3 replies)
  246. Will this hurt my 400? (8 replies)
  247. Any Free Mods? (4 replies)
  248. 400ex timing??? (1 replies)
  249. best clutch for a 400ex (8 replies)
  250. 440 gearing (1 replies)