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



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  1. Oil cooler replacement
  2. Right Crank Case Cover`
  3. hmf header
  4. exhuast/jetting question
  5. Rebuilding 05 400ex but need help
  6. SS ITP rims
  7. turkey bay
  8. FMF megamax
  9. plastics??
  10. stock baffle
  11. I need pics of mix match plastic
  12. EX's gone
  13. help with brakes
  14. need help
  15. custom shorty pipe.
  16. Handlebar setup
  17. Exhaust Re-Packing
  18. keihin / dynojet conversion myths
  19. AHHHHHHHHHH.... stupid carb....
  20. cables
  21. what to spend 400$ on for xc??
  22. Rear Axle Bearing Problem
  23. 400ex blowing oil out the exhaust.
  24. help! blown head gasket?
  25. 400e stock shorty
  26. Tire size???
  27. Big Gun Eco slip on or HMF Sport slip on
  28. Stock length of 400ex rear brake line
  29. Drag racing
  30. Anyone run the DPR9EIX-9 Iridium Plug?
  31. Clutch Pull Question
  32. Broke her on the driveway
  33. twist throttle
  34. 400ex problem
  35. 400ex key problems
  36. Need some info.
  37. carrier problems
  38. electrical challenge wont start
  39. engine builders in michigan
  40. Carb for stroker engine
  41. Motor Clank in top end
  42. 400ex Jetting Question
  43. locked up back brakes.
  44. Rear Brakes
  45. rear fender brace
  46. Trade
  47. ball joint
  48. What has he been up to?
  49. wont run after putting hmf full system on
  50. Electrical Troubleshooting, Please Help
  51. 2004 400ex with bent rod
  52. Quick question
  53. Popular 400EX Thread Links
  54. Build Advice
  55. What do you wear when riding?
  56. Do I see a light at the end???
  57. Need some help
  58. hmf quiet core insert?
  59. price check on selling some mx stuff
  60. 400EX Cylinder / Piston Issue
  61. Wont start
  62. 450r shocks trouble please help race tomorrow!!!
  63. Where to find rings?
  64. 450r carb trouble starting
  65. Fair price???
  66. Which ones better?
  67. cylinder or sleeve??
  68. need help on rear brakes!!
  69. oil filter bolt??
  70. What main jet are you 426 guys running>?
  71. Smoking....HELP
  72. Do I Need +2 ‘s??? Help!!!
  73. artrax tires
  74. Head Studs A Common Problem With A 440 Kit??
  75. High Idle Afer Rejetting
  76. FCR: New or used?
  77. what next?
  78. Yall need to see this
  79. Can someone check their front hubs for me??
  80. What Do Y'all think?
  81. 4x4 600EX!! Project bike video
  82. dual front brake lines
  83. Need some help
  84. 400ex rear brakes and rotor
  85. help picking fromt tires please
  86. rear axel
  87. Timing chain and new top end build
  88. Namura pistons vs wiesco pistons
  89. 08 Sound
  90. Headlight busted
  91. Tusk Nerfs?
  92. Exhaust Head Bolts...
  93. engine mods
  94. Curtis Sparks FCR 39mm Carb
  95. possibe clutch problem or normal??
  96. 84 cr 125 need help
  97. FMF Powercore IV2
  98. Pics of your Quad here!
  99. omg new problem
  100. WTB: 400ex frame with Title
  101. 400ex cam
  102. Whats a good set of valves?
  103. Help with 440 kit mods
  104. 155 psi compression, What piston is in it? Sparks 6* key ok?
  105. Help with 400ex carb
  106. Let me know what you think
  107. Im Changing my mind about Hondas...HELP!
  108. Need some A-Arm help
  109. Anyone running a Two bros slip on???
  110. rebuild options
  111. Whats the best tires for trail/hill/creek riding?
  112. swing arm compatability
  113. Swingarm question
  114. Changing oil brands?
  115. 2 new 400ex's, got some ?s
  116. Gave the girlfriends 400 a little 450r love
  117. 2001 honda 400ex Hodrod crank question
  118. racing fuel
  119. 2 stroke oil in gasoline for 4-strokes?
  120. Really stupid question but.........
  121. Shorty slip on pics, slow reving 440 video.
  122. 450r a arms on 400ex
  123. OEM parts on rockymtn.com for honda??? Help
  124. Trail 400ex
  125. Parting out my baby
  126. WOW... im frustrated.... again...
  127. Some new pics, almost done
  128. quick compression and cam question
  129. Performance of a Revloc clutch
  130. 250r hood
  131. What should I give?
  132. help with big bore jetting
  133. LT shock length question
  134. Quick Before Time Runs Out
  135. Key Problem! Please Help!
  136. 416 vs 426 and hotcame stage 1 vs two.
  137. Stupid question but.…
  138. 400ex bars?
  139. how to correctly take out head studs
  140. Itp Holeshots Vs Razr2 Maxi's
  141. 450r, ltr 450, 450sx
  142. 400ex swingarm and link mx
  143. new hood
  144. What gives...smoking again
  145. graphics question and small update
  146. shift lever rubbing on side cover
  147. Rejetting Carb Needle setting
  148. 440ex will not rev and has no power just rebuilt it a few weeks ago
  149. Starting problems... need help
  150. toolbox?
  151. quick jetting help
  152. 400ex cam
  153. Startin my rebuild
  154. 416 build questions
  155. He is doing it again!!!!!!
  156. new rebuild 416 smokes on startup
  157. Extended swingarm chain length
  158. replacing stock clutch perch
  159. replacing stock clutch perch
  160. Need Help
  161. cylinder question
  162. Anybody know who did this????
  163. skidplates
  164. Quick Clutch Question
  165. 400 to 450r shock switch ?
  166. curtis sparks exhaust
  167. Fcr carb cable
  168. backfire out of carb
  169. 3 degree key
  170. tick tick tick tick tick tick
  171. Installing Sparks timing key.. Bike in neutral or in gear?
  172. gt thunder 400ex mx link question
  173. master cylinder screw
  174. Case saver differences
  175. Electrical/ Battery issues
  176. sparks key install help
  177. 05 400 rear shock switch?
  178. drive chain
  179. hmf slip or motorworks slip
  180. Free carb cable
  181. 400 ex stator question
  182. Help with FCR
  183. motor rotation direction
  184. balljoint stuck
  185. Lighting
  186. A arm question
  187. 2012 400x is out
  188. 400ex Battery Box/Battery Question
  189. 7 mil build?
  190. 416 JE 11:1 hp?
  191. swing arm skid plate..
  192. 24 volt starting
  193. A-Arms
  194. Clutch Cable Lengths
  195. 450 carb rebuild...
  196. Please Read
  197. kfx450 shocks
  198. So I went swiming lol
  199. 400ex battery mod
  200. build advise
  201. 02 400ex help
  202. helllppp!!!!
  203. rebuilding the lower end
  204. Crf timing chain
  205. nerf ?
  206. Gaskets Thicknesses and Compression?
  207. Nned Help Quick, Axle Related
  208. 400ex - clutch and brake lever options?
  209. Installing axle nut question
  210. Aftermarket shocks question
  211. JB 400ex/CRF 450r Hybrid for sale $2500
  212. Ccan I still use this carrier?
  213. A 440 build?
  214. handgaurds
  215. Traded my quad for Jeep
  216. new beadlock wheels
  217. rear shock seal
  218. Lexx or big gun Eco?
  219. lets see them ex's!!!!!
  220. What jets?
  221. New 400ex owner - GA
  222. Jetting Recomendations? HMF Competition Full System + Stock 400ex
  223. just got 440 kit together what type oil cooler do i use
  224. jets and timing
  225. Insite??? video of a possible prob.. -->
  226. Reverse Light
  227. 440 jets, valves and cam chain
  228. New clutch?
  229. piston rings!
  230. Any 20" rears that run tall?
  231. cam chain
  232. kill tether bad?
  233. timing chain and chain guides
  234. 400EX Reliability
  235. take a guess
  236. 01 400ex complete overhaul
  237. Selling my 07 400ex
  238. got me wonderin...
  239. Sell the motor on ebay to buy a cr500 motor?
  240. Clutch Cables
  241. vintage 400ex exhaust
  242. 250r cdi on a 400ex
  243. hotcam valve adjustment
  244. I'm stumped. Please help haha
  245. getting frustrated
  246. Honda 400ex(99) Stroked and Race Ready!!!!!
  247. Free Oil
  248. help kill tether
  249. Picture of my 400
  250. WHAT DID I JUST TURN?! please help.