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  1. please read...completely stumped
  2. 400ex carb
  3. 400ex rebuild problems
  4. need a quciker response! Which pipe HMF or Sparks?
  5. poppin noise when down shifting
  6. URGENT! need help
  7. White Brothers Carbon Pro Exhaust
  8. hrc cam specs 400 ex
  9. 350x motor install in a 250x frame
  10. 300ex
  11. Does this sound right?
  12. Whats wrong with my choke???
  13. 450r messed up
  14. Help quick please!
  15. HMF carbon fiber?
  16. z400 clutch cover
  17. Where Can I Find A Stock Honda Throttle?
  18. keeping cool
  19. blaster question .
  20. Best 416 Kit?
  21. scorpion exhaust
  22. cam/cluth
  23. heat tape
  24. would clutch be ruined from sitting in engine with no oil for 2 years
  25. 300ex motorwork
  26. Help!
  27. hybrid POURING out gas..?
  28. spark arrester
  29. Holy Loud
  30. 300ex with 400ex carb jetting
  31. High Compression Pistons?
  32. what else needed with 13 tooth sprocket
  33. 230 quadsport
  34. Bad experiance with LRD
  35. Need Help Quick!
  36. Fouled?!?!
  37. oil leaking
  38. Will this hurt it???
  39. 2005 400ex sprocket help
  40. JE 426 stroker piston?
  41. any body have a crf450 motor or a 450r for sale?
  42. Smokes alittle after start up?
  43. Hot Cams Stage 1 Question
  44. Choke ring
  45. plug check
  46. 400ex timing?
  47. question about measuring exhaust decibals
  48. 400ex timing diagram??
  49. making own exhaust
  50. 450r valve shims ASAP
  51. Engine Rebuild
  52. piston hitting?
  53. honda wheels?
  54. Help!
  55. axle!!!
  56. stroked 440ex?
  57. manual crank/starter on 300ex
  58. Air Scoops
  59. Need help with my 250r
  60. Old e Series VS. E2 series
  61. What did I damage??
  62. Clutch questions..
  63. 300 ex confused
  64. ? about decibal meters
  65. How much Gain??
  66. engine issues
  67. Where to get a jet
  68. dg exhaust
  69. dg exhaust
  70. GT Thunder vs WB Rev Box???
  71. Sparks Performance Kit B?? How is it??
  72. Ticking noise
  73. highest compression on 100 octane?
  74. 400EX stroker exhaust system?
  75. blowback?
  76. 440EXhp?
  77. Pilot help
  78. Whats Involved?
  79. what has to be done to fit a 400ex motor in a 300ex
  80. any body made a hybrid w/400ex frame &450r motor?
  81. my dealer cant be right?
  82. 87 polaris 250 trailboss
  83. FCR Carburators?
  84. please help, engine not giving more than 50% power?
  85. Bearing cross reference 400ex
  86. somethin, 4 ya
  87. wiesco crank and piston
  88. Fcr Help!!!!!!!!!!!
  89. Hmf
  90. Problem With 400ex...not Starting!!!!!
  91. 440ex starter problems
  92. Problem finding nuetral
  93. Which Clutch kit to get?
  94. Cold weather is here=300ex hard to start, any suggestions
  95. oil amount on 400ex
  96. Help
  97. to little or two much oil?
  98. WB E-Series weld broke!!!
  99. 400ex problems please look and help if possible
  100. bad day
  101. 400ex full hmf
  102. Carb/plug question..
  103. Fuel question
  104. Hot cams Install
  105. trail tech?
  106. NOS. stories of victory, or catastrophy!
  107. I found the tracking problem.
  108. top end assistance needed
  109. need help fast about my friends pred 500
  110. lights
  111. tdc head ,cam etc.
  112. 400ex has no power in gear
  113. 2006 TRX 450. Less then 20 min on it and head pipes glows red
  114. Break in
  115. f'd up engine
  116. Chain and sprocket
  117. exhaust packing
  118. got a couple of questions....
  119. Raptor Problems
  120. HP gains???
  121. 300ex problems
  122. whats the diffrence?
  123. 250x not running
  124. Blaster Broken....
  125. chain links...and stock sproket size?
  126. do i need vavle springs?
  127. 450r carb
  128. more torque
  129. got videos?
  130. Need some general prices for YFZ rebuild
  131. it just dies after an hour of seat time -- help!!
  132. what all to get with the 460
  133. 400ex
  134. 400ex
  135. exhaust spitting liquid?
  136. Sparks Exhaust Packing
  137. 03 crf450 top-end time...
  138. cam/timeing question?
  139. kx80
  140. 300EX owners. please respond
  141. Sleeve question Help requested
  142. 300ex cylinder head
  143. 440 break in
  144. top end noise
  145. Paper filter vs. foam in sand
  146. 250x Boggs Down
  147. db levels
  148. Crap!?!?
  149. 250EX exhaust
  150. 300ex pipes
  151. 300ex:cold natured or a problem?
  152. Newbie needs help
  153. new stg 2 hot cam
  154. 400ex aftermarket oil cooler??
  155. 250ex gearing info (transmission)
  156. 250r cylinder hone
  157. 450r exhaust is it interchangable
  158. setting valves
  159. cam issue on 400ex
  160. 400EX Bearing Carrier
  161. 2006 TRX450R. Can i remove the baffle and air lid without rejetting?
  162. 06 yfz exhaust
  163. 400ex not starting
  164. Port and Polish or Carb
  165. How much gain?
  166. 400EX Starting Trouble
  167. 41mm fcr how much?
  168. Carbs
  169. 400ex piston size
  170. 400ex clutch (quick answer)
  171. found some pics
  172. What kind of valves?
  173. 465 on pump gas?
  174. pipe ?
  175. Carbon pipes
  176. axle
  177. No air filter, no boot even...
  178. need huge axel help
  179. Edelbrock Carb Problem
  180. need more airflow
  181. 250r need help
  182. where do i find obscure sized bolts?
  183. 450R not Finding 4th Gear
  184. octane
  185. piston rings
  186. Exhaust?
  187. Backfiring?
  188. need help
  189. buying new exhaust need opinions!
  190. Yoshi Hmf Sparks?
  191. piston sizes
  192. timing chain replacement
  193. jetting help
  194. Yoshi or Hmf or Sparks
  195. Sparks Exhaust Sound Clip?
  196. 400ex starting problems HELP!!
  197. 400EX battery relocation - ANYONE???
  198. what drive chain to use?
  199. what kind of cam chain?
  200. I kinda feel sick!
  201. new spark plug
  202. kaboom!
  203. jetting?
  204. engine....
  205. Bore And Hone
  206. Exhaust pics
  207. help me out.
  208. a little rich
  209. 250x electrics with 300ex motor?
  210. LSR Rotor Hub
  211. Clutch Plate Assembly
  212. synthetic oil?
  213. Carb Help
  214. starting in gear without clutch
  215. more top end help
  216. best 440 work and who?
  217. changing gear oil on 06 450r
  218. Hare scrambles??? ltz 250
  219. Where I can get HRC Cam
  220. Pilot in cold weather??
  221. broken gearshift spindle
  222. 300EX Jetting
  223. LRD or HMF
  224. stage 2 (old #) cam and bad jetting
  225. Shorty exhaust for a 400ex
  226. Klotz Oxy gas
  227. Jet kit???
  228. blowing oil out exhaust
  229. 465 kit???
  230. Spark plug??
  231. CT/LRD LT250R pipe
  232. Any 400ex gizmos? ( motor problems)
  233. torque on head
  234. Serious question don't laugh
  235. Crf450 Horsepower
  236. info on hrc kit for 450
  237. 300ex problem
  238. Honda 400ex engine in a 300ex
  239. i need soem help gotta rebuild
  240. DG exhaust problems
  241. What do you think I should do.
  242. tc racing exhaust
  243. how many db's?
  244. Banshee
  245. best warrior exhaust
  246. Need Help With My Blaster
  247. Is 110 octane ok?
  248. ??? about high comp pistons
  249. 400ex question
  250. looking for a ds650 stator