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



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  1. 416 jetting (9 replies)
  2. 400ex project questions and concerns (1 replies)
  3. 400ex axle removal question (5 replies)
  4. quick ? on a-arms (1 replies)
  5. battery relocation (2 replies)
  6. 416 kit reliable? (12 replies)
  7. Air Deflector Panels (6 replies)
  8. Motor or carb problem ? (2 replies)
  9. Help: 400ex leaking/burning oil (5 replies)
  10. oil help and jetting (4 replies)
  11. Rev Box 400ex ? (4 replies)
  12. what oil tank (4 replies)
  13. Getting a 440EX, need help on what to look for (2 replies)
  14. 450R fenders on a 400 (1 replies)
  15. frame/subframe ? (1 replies)
  16. Another Jetting Thread (Jetting 406) (12 replies)
  17. Burgard A Arms Help!!!! (9 replies)
  18. 400ex Spark problem...need help (3 replies)
  19. Reverse and Horsepower question (8 replies)
  20. What size front sprocket to use? (7 replies)
  21. Oil cooler ? (1 replies)
  22. anyone running a jd performance 1 1/4 swinger? (0 replies)
  23. yup (1 replies)
  24. sprocket hub removal? (3 replies)
  25. throttle blip (3 replies)
  26. DFW Area Spring Race Series (1 replies)
  27. test (2 replies)
  28. Valve Clearance on Hotcams Stage1 (4 replies)
  29. oil change (3 replies)
  30. Winter Rebuild Progress (18 replies)
  31. cam chain tensioner (1 replies)
  32. maier plastic ??? (10 replies)
  33. vin# location? on 400ex (4 replies)
  34. best brake pad (5 replies)
  35. Starting point for jetting (12 replies)
  36. Installing Skid Plates (6 replies)
  37. overheating? (7 replies)
  38. carb jetting question (1 replies)
  39. 40 or 42 pilot jet for 6000-9000ft elevation (10 replies)
  40. Powermadd (7 replies)
  41. 400ex help (4 replies)
  42. Help!!!!!! (1 replies)
  43. Uh oh... (9 replies)
  44. Question (3 replies)
  45. 4ooEX HD head stud roll form tap (0 replies)
  46. shock opinion (3 replies)
  47. wheels (0 replies)
  48. wheels (2 replies)
  49. starting problem (electrical) (16 replies)
  50. tick (2 replies)
  51. offset wheels (5 replies)
  52. plug size (12 replies)
  53. 400ex axel (6 replies)
  54. suggestions Wont start (16 replies)
  55. engine swap (1 replies)
  56. 400ex electrical question (7 replies)
  57. 400ex rear fender mounts (1 replies)
  58. Rear Brake Rebuild (10 replies)
  59. axle bearing removal? (1 replies)
  60. Holeshot GNNC Tires (5 replies)
  61. Red or black guadtech please vote (18 replies)
  62. pro taper atv mid bend (0 replies)
  63. 05 400ex scooped hood (5 replies)
  64. wont run 5th gear out (18 replies)
  65. cam question. (2 replies)
  66. i need you help! (5 replies)
  67. How Much Oil? (2 replies)
  68. 400ex starter (8 replies)
  69. Rev boxs (3 replies)
  70. Made a short vid for you all to listen to the exhaust (2 replies)
  71. race (8 replies)
  72. oil in airbox (7 replies)
  73. Pro Armor Race/Fat Peg Nerf Bars (8 replies)
  74. ASV questions (4 replies)
  75. lol (2 replies)
  76. idle jet setting (1 replies)
  77. Need More Top End!! (14 replies)
  78. where do you find it? (2 replies)
  79. Something Missing???? (14 replies)
  80. Difference in H7 & H10 carrier (2 replies)
  81. What factors led you to buy your 400ex? (19 replies)
  82. Denton Racing (0 replies)
  83. Handlebars Question... (23 replies)
  84. tires (10 replies)
  85. cluch is shot (6 replies)
  86. Steering Stem (4 replies)
  87. starting 400ex.... (16 replies)
  88. stock shocks (6 replies)
  89. anyone have a noleen exhaust? hows the performance? (9 replies)
  90. G Force Rear Hubs? (19 replies)
  91. tire size (3 replies)
  92. 400ex Speed Simple Question (48 replies)
  93. $2500 (6 replies)
  94. A quick, maybe stupid, question... (7 replies)
  95. bigger oil cooler (5 replies)
  96. Anyone with 416 and stge 1? (12 replies)
  97. Red Hot (12 replies)
  98. stage 1 cam? (20 replies)
  99. How Much Torque on Valve Cover Bolts? (2 replies)
  100. Help!! How to adjust idle screw (9 replies)
  101. FYI, quick tip I just tried (1 replies)
  102. Chain slack ? (2 replies)
  103. needle question (5 replies)
  104. headers (1 replies)
  105. Cam Chain Tensioner (7 replies)
  106. Blue or Red Loctite on Cam Sprocket Bolts? (8 replies)
  107. yfz450r shocks (5 replies)
  108. Do i need rings? (1 replies)
  109. A book of Problems... Part 1. (21 replies)
  110. where to get a 440 kit done (0 replies)
  111. Pics of the Rebuild (7 replies)
  112. few new pics... (10 replies)
  113. 450r Rear Shock (2 replies)
  114. new clutch lever- how to start in gear? (7 replies)
  115. best cam with 440 kit?? (5 replies)
  116. hone??? (3 replies)
  117. hone??? (1 replies)
  118. Idle Mixture Screw "help" (3 replies)
  119. suspension (13 replies)
  120. Carb Problem (2 replies)
  121. Flooded, What 2 do? (4 replies)
  122. What if someone forget's to rejet (10 replies)
  123. Another Oil qestion (3 replies)
  124. is a 400ex worth it (17 replies)
  125. Can I get a little help with a install (3 replies)
  126. Piston, Clutch, Cam Chain Break In. (4 replies)
  127. stainless oil lines (1 replies)
  128. battery?? (3 replies)
  129. rebuilt (6 replies)
  130. How to: Get The 400ex Beat any quad with the right rider (14 replies)
  131. Help Fast!!She Wont start up!! (18 replies)
  132. Help with axle!! (1 replies)
  133. shock help? (1 replies)
  134. 400ex less weight (10 replies)
  135. Exhaust??? (7 replies)
  136. only starts when clutch is pulled in (3 replies)
  137. Mobile 1 Synthetic (0 replies)
  138. Holeshot Tire Q's (4 replies)
  139. loud slip on (24 replies)
  140. How to know when at tdc (comp.) when the head is off? (2 replies)
  141. jetting help (13 replies)
  142. Installing Piston. Trying to get Cly + Piston on Tonight. (13 replies)
  143. High Altitude Jetting????? (0 replies)
  144. bent frame? (2 replies)
  145. help jetting..... (5 replies)
  146. How To Check the 400ex Spark Plug (14 replies)
  147. couple pics (8 replies)
  148. frame???? (1 replies)
  149. rear brake stay bushing? (5 replies)
  150. graphics (1 replies)
  151. Racing Question (rims) (1 replies)
  152. is it ok to get stage 2 cams with stock 400ex? (18 replies)
  153. opinion on mods? (5 replies)
  154. dominator axle (2 replies)
  155. Gas Tank Disassembly help (1 replies)
  156. swinger bolt (1 replies)
  157. full vs slipon (14 replies)
  158. hot start? (1 replies)
  159. Milky grey (3 replies)
  160. Caked mud on exhaust, (3 replies)
  161. problem with aluminum air box (9 replies)
  162. Simple Question (1 replies)
  163. can you put a 400ex motor in a 300ex (3 replies)
  164. oil leak (5 replies)
  165. Found a 435 Kit on Ebay. (5 replies)
  166. need a little help (0 replies)
  167. 400 ex for Rancher (12 replies)
  168. 416 (6 replies)
  169. ITP C series (5 replies)
  170. Bars! (7 replies)
  171. Playin w/ the idea....How much do ya think? (22 replies)
  172. sparks timing key with hotcams stage 1 (10 replies)
  173. new suspension question (1 replies)
  174. I Just Got a Tusk Clutch Kit (with heavy duty springs) and a PE Clutch Basket (18 replies)
  175. front Sprockets...Help! (9 replies)
  176. rear sprocket (2 replies)
  177. 400EX Rev Limiter? (16 replies)
  178. 450r carb jetting ? (2 replies)
  179. rev box (8 replies)
  180. Trail Tech Lights? (12 replies)
  181. Will leaving hotstart cable on my 450 R carb cause it to run lean? (8 replies)
  182. Parking Brake Block Off (4 replies)
  183. STD Anti-Vibe with High Pro-taper Cont. (2 replies)
  184. a different tire question (0 replies)
  185. 400EX probs?? (6 replies)
  186. help on carb (2 replies)
  187. Top end question (7 replies)
  188. Well... (2 replies)
  189. LOL i now know why you guys like hand guards (15 replies)
  190. rejetting (2 replies)
  191. Which tires are best for my riding style?? (24 replies)
  192. aluminum airbox (3 replies)
  193. 300 EX ball Joint boots (2 replies)
  194. Nice Day took couple pics (26 replies)
  195. Two Brothers Exhaust (2 replies)
  196. 450R Carb (1 replies)
  197. stroker (1 replies)
  198. steering stablizer mounting (20 replies)
  199. piston question (0 replies)
  200. Opinions on jetting???? (3 replies)
  201. Street Legal 400ex (8 replies)
  202. How does the big bore kit compare? (2 replies)
  203. just got a ? (7 replies)
  204. Questions about suspension for my style of riding. (6 replies)
  205. What would cause no spark (2 replies)
  206. jetting 440 (4 replies)
  207. honda 400ex key questio (2 replies)
  208. 440 (0 replies)
  209. 440 wont start, Help me.. (6 replies)
  210. 400ex sound clip (2 replies)
  211. full flight A arms??? (6 replies)
  212. Tire Alignment question (4 replies)
  213. Bad news turn into good news! (34 replies)
  214. New to 400EX (19 replies)
  215. Motor Rebuild (5 replies)
  216. Solenoid Wire (1 replies)
  217. remove ignition (0 replies)
  218. yosh rs-3 ? (5 replies)
  219. axle (0 replies)
  220. do i need a new axle (9 replies)
  221. Two Brothers Exhaust (0 replies)
  222. 450r carb price? (11 replies)
  223. 400ex before and after pics (13 replies)
  224. Ditching Dynojet Need OEM Recommendations (6 replies)
  225. idle probs (0 replies)
  226. Just curious (1 replies)
  227. douglas rims simple question (2 replies)
  228. 05 400ex not charging (2 replies)
  229. Cleaned the 400EX this weekend (11 replies)
  230. new video wut do you tihnk?? (7 replies)
  231. installing a main jet (5 replies)
  232. Seat Cover (4 replies)
  233. Cam Question (1 replies)
  234. 400ex hood (2 replies)
  235. electrical problems? (5 replies)
  236. 450r rear shock? (3 replies)
  237. 400ex (1 replies)
  238. 18x10x9 on the EX (5 replies)
  239. Im Buying A slip on I have few very easy questions (42 replies)
  240. what size a-arms should i get? (6 replies)
  241. Suspension (2 replies)
  242. denton steering stablizer? (9 replies)
  243. Snow Tire Help (8 replies)
  244. Best upgrades for $1500 (9 replies)
  245. Stripped Valve Cover bolts (7 replies)
  246. This could only happen to me !! (7 replies)
  247. grab bar? (3 replies)
  248. Best choice for chain and sprocket combo (4 replies)
  249. Does it Work (7 replies)
  250. tranny problems on 2000 400ex (5 replies)