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



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  1. Where To Find A Good/Inexpensive Bumper? (11 replies)
  2. Do I have to rejet for just a slip on pipe? (15 replies)
  3. Sand tires for the front (6 replies)
  4. 400ex carb question? (8 replies)
  5. WTB parts parts parts!!! Cash n PayPal ready (0 replies)
  6. wanting 400ex exhaust (1 replies)
  7. carb poppin/runnin hot (16 replies)
  8. Stupid Plug Reading Question... (10 replies)
  9. Is this bike worth it ? And what is the problem . Plz help (6 replies)
  10. Oversized Bar Clamps (5 replies)
  11. Is the 450r carb good to install on my bike ? (28 replies)
  12. how to get better flow from stock exhaust (7 replies)
  13. Anything else to add to my build (21 replies)
  14. i need a new look (01 416ex) (38 replies)
  15. Swingarm needle bearing install (24 replies)
  16. Clutch Kit (16 replies)
  17. Best mods for my 400ex (113 replies)
  18. Any Of You Guys Have A Rear Skid Plate For A 2005 400ex? (0 replies)
  19. Choke Screws (6 replies)
  20. timing key (11 replies)
  21. anyone have aftermarket shox for sale .400ex 2000 (0 replies)
  22. New front end setup (15 replies)
  23. best place to order cam chain and components (8 replies)
  24. 03 400ex throttle issue (2 replies)
  25. 400ex stupid question about oil level (17 replies)
  26. 400ex Winter Overhaul Thread (10 replies)
  27. Xr head gasket & compression question (2 replies)
  28. Exploded views? (4 replies)
  29. pilot jet (15 replies)
  30. 1st harescramble in 18 yrs question (5 replies)
  31. adjustable needle jets (1 replies)
  32. Hoods with Lights? (9 replies)
  33. 10:1, 10.5:1, or 11:1 and FCR vs 450r carb (16 replies)
  34. Turbo? (13 replies)
  35. aftermarket clutch basket? (5 replies)
  36. My winter top end rebuild (lots of pics) (8 replies)
  37. AC flow exhaust ? (4 replies)
  38. Two brothers slip-on mid pipe (2 replies)
  39. Dual Gasser (0 replies)
  40. 450r Pegs, what about the nerfs? (10 replies)
  41. 11:1 piston with sparks key (21 replies)
  42. Adjustable Needle Jet (4 replies)
  43. Fun little video I made (0 replies)
  44. Head gasket, head stud question (7 replies)
  45. Can you put a electric fan on 2000 400ex ? And where from? (7 replies)
  46. Picked up a new toy (19 replies)
  47. new clutch still slipping????? (6 replies)
  48. CDi box (14 replies)
  49. Keeping a 440EX cool? (9 replies)
  50. new guy, 400ex few questions (6 replies)
  51. Graphic MX Review (49 replies)
  52. oil in your bike? (28 replies)
  53. jetting ? (1 replies)
  54. z400 vs 400ex vs 450 (45 replies)
  55. Intake boot question? (21 replies)
  56. main jet has a number but no mark to identify who makes it?? (8 replies)
  57. 400ex w. full 450r setup f/s - or partout (1 replies)
  58. 400ex just die not even stuttering nuttin but will restart (1 replies)
  59. motor help (7 replies)
  60. white bros e-series shorty? (21 replies)
  61. Will my bike beat a Ltz 400 and a yfz 450??? (32 replies)
  62. What to look for when buying a used 400ex (30 replies)
  63. A-arms? (19 replies)
  64. tranny is stuck?? (8 replies)
  65. Which one? (3 replies)
  66. Edelbrock or Fcr39? (14 replies)
  67. 400ex oil pump question (5 replies)
  68. Dwt rims (0 replies)
  69. Dwt rims (1 replies)
  70. Ever wondered? (8 replies)
  71. cometic gasket question (5 replies)
  72. Jetting Q (6 replies)
  73. Rear Shock Setup (25 replies)
  74. Pilot jets to long HELP (18 replies)
  75. Rear Caliper Slide Pin Removal (3 replies)
  76. hotcams stage1 vs xr 400 cam (2 replies)
  77. Steering stabilizer? (10 replies)
  78. 400ex/yfz filter (4 replies)
  79. What a-arms should i buy? (27 replies)
  80. new 400ex plastic on the 450r? (11 replies)
  81. Head studs (4 replies)
  82. I need help (11 replies)
  83. Bad Rotor Bad! (27 replies)
  84. 400ex Problem (32 replies)
  85. air horn (1 replies)
  86. Oil shavings (12 replies)
  87. oil (24 replies)
  88. +2 axle with stock a arms? (5 replies)
  89. 450r rear shock setup (6 replies)
  90. will a 2002 400ex motor work in a 2005 400ex frame? (1 replies)
  91. works shocks adjustment (no ressies) (2 replies)
  92. Max Power RPMs (2 replies)
  93. 450 (1 replies)
  94. 440 kit (9 replies)
  95. Met some more pros today (2 replies)
  96. Crooked front end (5 replies)
  97. 416 (1 replies)
  98. need help with backfiring (11 replies)
  99. That sudden realization... (18 replies)
  100. Leaking Oil at the bottom of Engine Casing (11 replies)
  101. New best time! (17 replies)
  102. tire sizes (2 replies)
  103. Front shocks? (11 replies)
  104. 07 400ex rear axle (6 replies)
  105. Two Brothers slip-on can I add any header? (5 replies)
  106. headpipe (10 replies)
  107. Any Of These Tires Good For Dirt Drag Racing? (12 replies)
  108. 450r carb help (19 replies)
  109. stage 2 or stage 3 (4 replies)
  110. xr400 bottom end vs 400ex bottom end (19 replies)
  111. Pics Old/New 2012 (32 replies)
  112. hotcam ? (5 replies)
  113. fuel/air screw (16 replies)
  114. Powdercoat opinions (9 replies)
  115. 2007 400ex Reverse Shaft aligment? (0 replies)
  116. Need some help (16 replies)
  117. 400EX Baja Wheels (6 replies)
  118. Airbox Lid/Filter (5 replies)
  119. stock bore top end gaskets for 87mm 416? (2 replies)
  120. going hybird (11 replies)
  121. 450R rear brake swap issue? (2 replies)
  122. Tear Down Time! (182 replies)
  123. will 04-05 450r rath nerfs fit on 400ex (1 replies)
  124. head pipe (6 replies)
  125. another exhaust thread (19 replies)
  126. stage 2 hot cams valve ticking now (23 replies)
  127. Brake pads don't fit? (30 replies)
  128. First winter build (15 replies)
  129. GTT- Thunder A Arms? (50 replies)
  130. sprocket hub clip (2 replies)
  131. GT Thunder Linkage problem (8 replies)
  132. Rewiring a 400ex (7 replies)
  133. auxillary lighting (3 replies)
  134. 400ex things..Please read. (11 replies)
  135. Stock Stem With Riser Clamps and Stock Carb. (6 replies)
  136. what wires do i hook my key switch to? (3 replies)
  137. Valve checking issue (24 replies)
  138. 450r shock covers on 400ex? (2 replies)
  139. 01 Black Side Plastic (9 replies)
  140. Using Stock Jets vs Aftermarket Jets? (8 replies)
  141. Clutch cable routing (8 replies)
  142. second gear issues!!! (1 replies)
  143. Cylinder Question (8 replies)
  144. Need more top speed (13 replies)
  145. Sparks +6 Key? (3 replies)
  146. Powdercoating (11 replies)
  147. Front Hub Bearings (3 replies)
  148. Motoworks exhaust repacking? (19 replies)
  149. 450 carb (3 replies)
  150. Quad Bogs/Shutdowns At Idle After Hitting Throttle? ANSWER! (0 replies)
  151. 42 pilot jet (13 replies)
  152. new ball joints (1 replies)
  153. What repacking kit? (6 replies)
  154. sparks +6 key and Jetting (9 replies)
  155. How to jet the proper way (0 replies)
  156. Wow... just wow (23 replies)
  157. CDI box question (4 replies)
  158. tire recommendation (23 replies)
  159. Gots a rant, bent my Freaking A arm today :/ (3 replies)
  160. Having trouble choosing the right cam for my 440 (3 replies)
  161. Airbox Snorkel Filter (7 replies)
  162. 400ex cough or hickup (12 replies)
  163. Full flight A-Arms ? (12 replies)
  164. ITP Holeshot GNCC (37 replies)
  165. carb question (2 replies)
  166. Managing My Money (7 replies)
  167. clutch question (6 replies)
  168. Craigslist BullS*** (39 replies)
  169. chain (2 replies)
  170. Wiring Help (7 replies)
  171. Moose Poly Case Saver (5 replies)
  172. 450r pro pegs on 400ex ? (4 replies)
  173. Replacement Bearing Carrier Opinions (2 replies)
  174. 400ex questions? (37 replies)
  175. How much does a400ex engine weigh? (10 replies)
  176. timing chain (5 replies)
  177. Fcr Carb (21 replies)
  178. Compression gauge (1 replies)
  179. Back in the game (6 replies)
  180. 416ex Head Porting? (4 replies)
  181. Opinions on A Arms. Any opinions welcome (0 replies)
  182. NEED HONEST OPINIONS Swinger color? (22 replies)
  183. durhamtown plantaion this weekend (0 replies)
  184. time flying (2 replies)
  185. Wth polished up the shock link to.. Never enough (8 replies)
  186. shrouds (3 replies)
  187. Polished up a few throttle covers :P (17 replies)
  188. What would you do with $1000? (17 replies)
  189. selling my ex.... (6 replies)
  190. 450R shock Help (6 replies)
  191. 2000 400ex (3 replies)
  192. Rear Skid Plate? (6 replies)
  193. 400ex 11.1 high comp piston (11 replies)
  194. what is this called.... (12 replies)
  195. Thumpin (0 replies)
  196. new guy with 400ex (21 replies)
  197. 450R Carb Upgrades (9 replies)
  198. 400 With Fox Float Evol's and JB (56 replies)
  199. a arms (7 replies)
  200. Engine Blownup (3 replies)
  201. bar rise? (11 replies)
  202. 400ex for 450r (11 replies)
  203. 426 or 440 kit ? (15 replies)
  204. 400ex to 450r project needing tips (14 replies)
  205. 400ex sprocket clip on axle (3 replies)
  206. steering shaft bearing? (1 replies)
  207. OEM steering stem length? (0 replies)
  208. Pro Taper contour throttle clamp problem (13 replies)
  209. Honda 450r shocks, YFZ 450r shocks, or KFX 450 shocks? (11 replies)
  210. rebuild suggestions???? (10 replies)
  211. help on motor removal (8 replies)
  212. Best Aftermarket Oil Tanks? (3 replies)
  213. Did you think my quad would last very long? (20 replies)
  214. Help me find a thread! (14 replies)
  215. Bogging in the top end. (43 replies)
  216. New guy, curious about build...opinions welcomed (14 replies)
  217. need help on motor decision on 503 460 440 426 or keep it 416 (26 replies)
  218. ktm parts on 400ex (5 replies)
  219. Hmf slip on question (7 replies)
  220. spare bolts (2 replies)
  221. lets see your XC EX's!!! (95 replies)
  222. Any way to make sure I am not ruining my motor? (3 replies)
  223. my 440ex tt (6 replies)
  224. Cam question (5 replies)
  225. Questions on switching frames (2 replies)
  226. nitrous (3 replies)
  227. Advice on 440 build (16 replies)
  228. fun with carrier bearings (4 replies)
  229. Official mini build (46 replies)
  230. Need some 400ex measurements + sell a LSR swinger (7 replies)
  231. 426 wont run with STG2 hotcam (20 replies)
  232. cooler guard? (31 replies)
  233. anyone know the value of a quadtech hood? (6 replies)
  234. Will a 450 oil cooler fit a 400 (5 replies)
  235. Graphics (5 replies)
  236. chain (7 replies)
  237. plastic (4 replies)
  238. Lonestar Stem Chasis Clamp? (10 replies)
  239. 2007 clutch center (3 replies)
  240. skidplate chain guide? (3 replies)
  241. Motor is running great! (15 replies)
  242. 400ex fenders (0 replies)
  243. 450r Shocks, first impressions. (16 replies)
  244. steering stem bearing (6 replies)
  245. 416 temp (9 replies)
  246. Does anyone have a Motorsports Products Desert bumper (5 replies)
  247. 400ex dual sprocket guard (5 replies)
  248. On the fence (18 replies)
  249. cant decide on rims? (27 replies)
  250. 450 rear brake set up on 400? (4 replies)