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



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  1. Rebuild time?
  2. honda 400ex idling problem and with jets
  3. worried
  4. to solve my intake issues...
  5. Need Help Now
  6. Port & Polish
  7. 400ex jet choice
  8. 400ex decompression rpoblem
  9. Chain and Sprokets?
  10. wheel spacers??
  11. Problems!!
  12. Serious timing problems
  13. battery
  14. timming key prob
  15. 03 400ex jetting help hmf slip on
  16. Axle question>
  17. replacing clutch
  18. 400ex gasket kit?
  19. Axle rear nut tightening
  20. tuning help
  21. front shocks
  22. chain adjustment help
  23. tools
  24. oil tank question
  25. Something wrong with the starting???
  26. Routing your clutch cable
  27. what brake
  28. any tt tracks in?
  29. that 4 stroke sound
  30. Man, more motor problems!!
  31. new motor break in.
  32. Jet fuel?
  33. 426ex smokes for a min.??
  34. Need help finding E- series baffle plates
  35. Rear carrier....
  36. Aftermarket Fuel Screw for the 400ex ???
  37. quick question
  38. harescramble
  39. Case Saver
  40. jetting???
  41. 400 gone racing with the 450s
  42. 2Bros, 2003-07 M7 slip on, On a 2001?
  43. FMF Slip on help
  44. CFM Oil Tank
  45. Gettin' shocks fo FREE!!! lol
  46. JET Motorsports suspension?
  47. Engine Stutter???
  48. air filter oil!!
  49. Websites for 400EX parts?
  50. 88 mm rings
  51. smoking what the h***
  52. Let the tear-down begin!
  53. piston?
  54. Gassy smell in oil
  55. black smoke
  56. clutch cable Q
  57. 400ex top speed!!!
  58. Skull Hood
  59. 426 vs 440
  60. What Are They Called?!
  61. Need some A-Arm help
  62. Hot cam splines striped out Where timing gear goes
  63. Snowriding On The 400ex
  64. Shaving a 400ex head
  65. what octane fuel
  66. identify hotcam
  67. Quick Question
  68. These 400ex's Sure Are Tough
  69. Burgaurd = s**t
  70. 400ex and xr400
  71. Won't run
  72. where to buy 14mm ball joints
  73. nerf bars
  74. 400ex rear break?
  75. case saver?
  76. A easy fix for you guys with cable/header pipe concerns
  77. wont start
  78. swing arm help please!!
  79. axle problem
  80. a-arm kits
  81. any one ?
  82. decompression problems
  83. Looking to buy a 400
  84. Yuasa Battery
  85. carb/jetting help plz
  86. let it go :( :)
  87. yzf 426 pipe on 400ex
  88. Back to stock muffler and now wont run!
  89. Skidplate
  90. XR600-650L ?? on fittment in 400ex
  91. any one have ?
  92. hot cam install ???
  93. dirtbike
  94. What exhaust should I buy?
  95. 39mm FCR Upgrade - Is it Worth it ?
  96. Choosing Some Handlebars. Any Help?
  97. anyone used sea foam in quad?
  98. did i get a good deal?
  99. three 400 ex and a 250 hittin mudhole
  100. Aftermarket Headers?
  101. Hot cams ;00
  102. rear shock
  103. broke studs :(
  104. 400ex tire won't hold air
  105. spendle and hub ?
  106. carb
  107. Build update!
  108. Looking in to 416
  109. ported head
  110. How do you remove warning lables?
  111. k&n airbox lid 400ex
  112. Jetting
  113. how do i get break stay c clip in?
  114. starting a rebuild on my 01 400ex what u guys think?
  115. bowl drain woes
  116. cam timing chain jumping a tooth ???
  117. My 400EX stage 2 and stage 3 hotcam comparision
  118. rear carrier does not have a groove for the break stay c clip
  119. timing issues
  120. Valve Adjustment problems...
  121. 400ex seat latch
  122. popping fuses
  123. AHHHHH..... stupid chain.....
  124. won't stay running
  125. Bling Star sprocket and rotor guard
  126. 400ex fender cutting?
  127. More issues...
  128. what's the scoop with 450r shocks???
  129. 440 kit installed NOW WHAT JET SIZES?
  130. Multi-angle GoPro ride in Los Padres National Forrest
  131. Awesome luck
  132. Exhaust Gaskets
  133. 400EX aftermaket intakes?
  134. outerwears mod?
  135. how to gain power?
  136. 450 axle on a 400
  137. Well what do you know, time to adjust the valves
  138. Clutch Replacement Question
  139. I have to praise the old 400(440) tried and tru
  140. Short clip of riding, the go pro :)
  141. Service and Owner's Manual
  142. Some New Found Powa Im Sure
  143. spark plug??????
  144. 450r-400ex frontend swap
  145. Question on the Transmission
  146. question
  147. need help blown fuse?
  148. what kind of web cam?
  149. new 400x owner
  150. another starter questions.... starter/sprag
  151. front sprocket
  152. decompressor spring/plunger
  153. 400ex xc set up
  154. Clutch wont disenguage, oil tank overfull - whats your opinion
  155. stage two cam
  156. Im having a weird problem here.
  157. FCR Carb Identification
  158. maintenance???? before storing for winter.
  159. 400ex Problems?
  160. Need help on 2007 400ex wire harness
  161. anyone in Michigan
  162. Curious: GT Thunder XC Link
  163. hub nut spec i need a new one,,
  164. frame swap
  165. FCR 39mm on 400ex
  166. Do you know where this picture is??
  167. 450R rear shock on 400ex
  168. HELLP!!!!!!!!!! 400ex wont start.
  169. Fried my topend??
  170. YZ kill switch install on 400ex???
  171. 14 tooth sprocket how many links?
  172. Help!!!!!! Cam Problem
  173. 416ex carb??
  174. tusk axle
  175. Stickers
  176. going to the mounds in mtmorris,mi tomorrow...
  177. 2004 400ex Carb Issues
  178. 400ex K@N Powerlid, Airfilter, and, Outerwears Cover For Trade
  179. master link
  180. 400ex build
  181. 07 400ex wont start??
  182. Maier front fenders
  183. 08 plastics on an 07 big deal to change?
  184. Gasket....
  185. tusk hand guard
  186. :)
  187. Too Rich?
  188. New style 400ex's
  189. Hardlandings Atv Club
  190. 01 ex won't rev past half throttle after warm
  191. how screwed am i..first oil change on this bike not good
  192. painted engine
  193. prep for sand dunes
  194. Missing carb. screw?
  195. Carnage/New wheels?
  196. Im stumped
  197. HMF Shorty
  198. 450r shocks- Need a set?
  199. are fullflight arms on ebay any good??? whats benifit of +1 longer arms
  200. do i have mayier plastic???
  201. For those of you with Roll Design A -Arms
  202. New to forum. Questions about Maint.
  203. Carb Help! Video Attached
  204. Clutch problem
  205. plug reading questions
  206. tie rod end question
  207. My 450EX Winter build
  208. Twist throttle 2005 400ex
  209. tri5ron???
  210. Need gaskets P/N
  211. how can things like this be missed?
  212. 400ex bushings
  213. **Revised** NEW GUY does 400ex Re-build
  214. HMF silencer for 2012 400X
  215. Which clutch?
  216. 450r Fox float R shocks on 400ex
  217. Valve spring tool?? Seals are getting close
  218. Oil leak
  219. Motoworks Exhaust
  220. HMF vs. Sparks
  221. Cam Chain
  222. How Do I Fix This??
  223. 300ex rear fenders on 400ex?
  224. Adjustable needle
  225. 400ex plastic
  226. Got a problem with shipping
  227. e85
  228. My 400ex rebuild thread
  229. wheres the cheapest place for rear fenders? and watch my videos guys
  230. Motor full of gas
  231. sorry guys.
  232. On light woulnt come on
  233. show me your 2005-2007 400ex cut fenders
  234. new and old 400ex
  235. Screw thread size for skid plates?
  236. Switch under clutch
  237. First run questions?
  238. Stainless Oil filter
  239. Seat Covers
  240. head work ?
  241. Geometry Alterations with 450r A-Arms??
  242. Talk to me on clutch springs BARNETT??
  243. Show Ur Sick 05-10 400ex!
  244. AMR Rev Box & Monster Coil
  245. Anybody running Tusk heel guards?
  246. Valve adjust
  247. 400ex backfiring
  248. O2 sensor
  249. headlight fitment?
  250. really came along...thanks for all your help guys!