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



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  1. swingarm bolt question (5 replies)
  2. rear brake trouble (1 replies)
  3. what do u guys think? (16 replies)
  4. few new pics... (14 replies)
  5. 416 gaskets (4 replies)
  6. Broken pivot bolt. (4 replies)
  7. taking the head off 400ex (3 replies)
  8. Lengthen Brake Line (3 replies)
  9. 450r jetting???? tryied other section (2 replies)
  10. Jetting ..yes, its this again (2 replies)
  11. 440 kits on ebay (6 replies)
  12. Sprocket thoughts?? (3 replies)
  13. suspension (3 replies)
  14. whats wrong? (2 replies)
  15. Loud ticking/ knockin (10 replies)
  16. where at? (4 replies)
  17. engine vibrations (3 replies)
  18. Liquid cooling on a 400ex? (8 replies)
  19. Graphics kits (6 replies)
  20. Pro Circuit T-4 Jetting (1 replies)
  21. Oil line (5 replies)
  22. engine time (4 replies)
  23. Installing larger front sprocket - Chain guard? (9 replies)
  24. how much could i get for it?? (7 replies)
  25. Help (0 replies)
  26. Want opinion (6 replies)
  27. the 4 screws on the back of the swinger (1 replies)
  28. hmf slip on trinity header (1 replies)
  29. Bolts-On!! (6 replies)
  30. heh... funny just curios ? i dont care just asking. (10 replies)
  31. what clutch do i have? (2 replies)
  32. Help!!!!! Please!!!! (2 replies)
  33. 450r throttle cable ?? (2 replies)
  34. 450r swingarm in a 400, bearing compatibility (2 replies)
  35. Difference in cams (3 replies)
  36. FMF power bomb info (4 replies)
  37. Instead of a 450R carb (14 replies)
  38. Jetting question (4 replies)
  39. 400ex Quad of the Month (5 replies)
  40. Need some Help!!! (1 replies)
  41. shocks (2 replies)
  42. 250R shocks on a 400ex ? (2 replies)
  43. 406 guys (8 replies)
  44. aftermarket list (1 replies)
  45. yfz front shocks (1 replies)
  46. Power now valve for 450r carb (2 replies)
  47. Tusk Fuel Mixture Screw @ RMATV (9 replies)
  48. silencer connector (3 replies)
  49. Best exhaust (9 replies)
  50. New rims and tires....what do you think? (4 replies)
  51. Who has yahoo or aim? (0 replies)
  52. Looking for someone to lighten flywheel (6 replies)
  53. ex question on lacks of top speed (6 replies)
  54. front shocks squeek (3 replies)
  55. wont run (1 replies)
  56. Help...Shocks!!! (8 replies)
  57. HMF or LRD...decision time (4 replies)
  58. CDI for 400ex?? (2 replies)
  59. Xr400 / 400ex (2 replies)
  60. +1 swing arm (4 replies)
  61. Scary Fast 440 Kit (5 replies)
  62. quad tech pics!! (4 replies)
  63. hotcam materials??? (19 replies)
  64. 450r spindles on 400ex? (2 replies)
  65. yfz 450 engine in a 400ex ????? (7 replies)
  66. wont start (8 replies)
  67. tire slime (2 replies)
  68. Aftermarket rear brake pedal question (9 replies)
  69. Big Bore (1 replies)
  70. 400ex price (1 replies)
  71. spindel question (2 replies)
  72. ohlins? (7 replies)
  73. what's this??? (6 replies)
  74. exhaust leak or something weird! (6 replies)
  75. back suspension questions (4 replies)
  76. few questions.... (5 replies)
  77. Who makes the best bars for 400ex (20 replies)
  78. HMF slipon mounting to a White Brothers E-Series (2 replies)
  79. are jet kits worth it?? (27 replies)
  80. Starting Question (8 replies)
  81. cam chain (3 replies)
  82. Jardine w/ k&n... stupid Q but please help a newbie (9 replies)
  83. Quick Question (5 replies)
  84. '03 400ex stock jetting? Help! (2 replies)
  85. yellow 400ex pics (12 replies)
  86. sprocket replacement instructions? (2 replies)
  87. FCR intake (0 replies)
  88. a few questions (3 replies)
  89. how much power? (4 replies)
  90. Won't start in gear... (9 replies)
  91. quick cable?? (1 replies)
  92. 03' vs. 06' (9 replies)
  93. how much could i get? (1 replies)
  94. Need info quickly (2 replies)
  95. Still putting around.. (9 replies)
  96. 450r carb inprovement????? (34 replies)
  97. curtis sparks exhaust question (6 replies)
  98. Question about valves (8 replies)
  99. z400 Bumper on an EX (3 replies)
  100. Not Cdi (2 replies)
  101. 400ex clutch hard to pull (19 replies)
  102. Hey guys just bought a 400ex got some ??'s (7 replies)
  103. Brake Bleeding NEED HELP ASAP!!! (3 replies)
  104. Best place to buy HMF slip on? (3 replies)
  105. mx gearing question (2 replies)
  106. Cdi Box (3 replies)
  107. How long before.... (6 replies)
  108. 440 port and polish (3 replies)
  109. raptor owners help... (3 replies)
  110. valve seals? (12 replies)
  111. Anybody use the TAG bar kit W/ clamps? (9 replies)
  112. My 400EX.... pics. (11 replies)
  113. New guy here... lots of pics. (10 replies)
  114. Help! (2 replies)
  115. How to wire a Dirt Bike Kill switch, by Muff (2 replies)
  116. Weisco Piston...Which way does the arrow go (7 replies)
  117. rev box (15 replies)
  118. Weld in Grab Bar Kit??? (7 replies)
  119. 05 400ex almost done (1 replies)
  120. question (2 replies)
  121. Specs on shocks (2 replies)
  122. what HMF fits a 400ex (7 replies)
  123. 250r plastic on 400ex? (1 replies)
  124. what now? (10 replies)
  125. Anyone use Dial-A-Jet on a 400EX? (15 replies)
  126. rear fenders (3 replies)
  127. Front Brake Frustration (1 replies)
  128. Valve noise (8 replies)
  129. Sad day! (17 replies)
  130. Help Me Decide (8 replies)
  131. 407? (1 replies)
  132. racing Question (3 replies)
  133. stock exhaust question?? (6 replies)
  134. Juicebox CDI (1 replies)
  135. LRD exhaust (5 replies)
  136. What's the biggest i can go??? (4 replies)
  137. slow crank?? (31 replies)
  138. Anyone runnin alcohol? (0 replies)
  139. dyno readings for tc shorty (1 replies)
  140. Need Pics Of Your Rear Ends... (31 replies)
  141. Steering Stabilizer question (2 replies)
  142. putting on a new chain. (5 replies)
  143. What's the difference? (3 replies)
  144. 440 stroker materials? (11 replies)
  145. new 416 help (4 replies)
  146. Help (1 replies)
  147. Need some help (1 replies)
  148. Why... (14 replies)
  149. New to quads.. (19 replies)
  150. How Do I???? (8 replies)
  151. Uni Filter... (7 replies)
  152. Build me a 416 package... (26 replies)
  153. Whats it Worth (15 replies)
  154. 460cc stroker ex beat a 2004 predator?? (3 replies)
  155. Edelbrock Carb... ANY INFO...? (1 replies)
  156. I'm not impressed w/ 4 strokes yet... (24 replies)
  157. YES, this has been asked BUT. (9 replies)
  158. Kings KT-177 (0 replies)
  159. LSR +4 axle. (13 replies)
  160. I know, I know more 400ex questions... (6 replies)
  161. different plug (2 replies)
  162. pipe 4 cheap (2 replies)
  163. dragging problem (17 replies)
  164. wheel bearing's (2 replies)
  165. 06 headlights on 02ex?? (4 replies)
  166. 400ex vs. 230f dirtbike (12 replies)
  167. 39mm FCR on stock motor (0 replies)
  168. MSR Clutch Perch/Lever (7 replies)
  169. can a 465ex run wit a 450r (25 replies)
  170. Now that the jet kit is installed... (15 replies)
  171. Any effects? (6 replies)
  172. carb question (7 replies)
  173. race fuel advantages? (11 replies)
  174. Oil level (1 replies)
  175. 400ex needs rebuilt, what to do.. (8 replies)
  176. thick smoke (5 replies)
  177. Exhaust (3 replies)
  178. big bore dune riders (2 replies)
  179. question for mx 400ex owners (1 replies)
  180. more h.p. needed---help (5 replies)
  181. sparks timing key (15 replies)
  182. Finished Results (11 replies)
  183. Whats is this piece called? (19 replies)
  184. boggin down ruined my sunday (8 replies)
  185. HMF jet kit (2 replies)
  186. The Frecin' E-series! (5 replies)
  187. anyone running 450r front shocks (14 replies)
  188. promotional code (0 replies)
  189. am i even going to notice a difference? (4 replies)
  190. Please help me (4 replies)
  191. help plz! (1 replies)
  192. switching parts (3 replies)
  193. 400ex shocks (13 replies)
  194. Valve Lapping (3 replies)
  195. Kenda fronts on! and crappy exhaust picture (9 replies)
  196. air scoops (9 replies)
  197. 400ex rebuild (36 replies)
  198. 39,41mm fcr carb for 400ex (2 replies)
  199. seat (3 replies)
  200. What Chain Size For This Sprocket Combo.. (2 replies)
  201. needle? (3 replies)
  202. tires (1 replies)
  203. Jet Kit (4 replies)
  204. You guys heard of "BUB" exhaust? (7 replies)
  205. underpowered (0 replies)
  206. Valves Questoin (2 replies)
  207. steering stem please help! (5 replies)
  208. exhausts (7 replies)
  209. super quick question (2 replies)
  210. chain slack keeps tightening (4 replies)
  211. fox float shocks (6 replies)
  212. A-Arms, Shocks, and Swing Arm Question... (16 replies)
  213. carb preferance (15 replies)
  214. quad tech hood (4 replies)
  215. powder coating vs. paint? (9 replies)
  216. Dang mechanics (9 replies)
  217. the kid that lives in AZ with the street legal 400 (6 replies)
  218. Express Answers: 400ex Spark Plug Hole Size (3 replies)
  219. did he beat me??? (7 replies)
  220. A Strong Mx Rim?!?!?! (8 replies)
  221. black/yellow EX (8 replies)
  222. wat goes with a yellow ex (6 replies)
  223. Does anyone make 400ex Solid Drag Struts (6 replies)
  224. 400ex going to 440kit (7 replies)
  225. bumper ? (3 replies)
  226. one industries atv graphics?? (15 replies)
  227. welding help (5 replies)
  228. Air Scoops on trails (15 replies)
  229. loud ticking (11 replies)
  230. Here is some product info for ya! (2 replies)
  231. piston rings question (7 replies)
  232. 426ex (11 replies)
  233. Help me out carb experts! (19 replies)
  234. sprockets (3 replies)
  235. burning oil. need help (9 replies)
  236. I need (2 replies)
  237. 502 big block in a 400ex?? (8 replies)
  238. Should i rejet? (8 replies)
  239. tires? (13 replies)
  240. gearing problem (3 replies)
  241. my 440ex with cam,rockers,vales is having problems and i dont know what it is (2 replies)
  242. Don't have a CLUE!!!! (14 replies)
  243. Motor stripped down, Problem isnt what i thought? (7 replies)
  244. ITP pro lock or baja rims? (10 replies)
  245. this fits a stock gas tank right? (9 replies)
  246. little help here (6 replies)
  247. ct raceing (1 replies)
  248. manual under seat? (3 replies)
  249. TESTING: Front suspension (4 replies)
  250. JE Vs. Weisco (6 replies)