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  1. 400ex question
  2. making a exhaust quieter?
  3. tc setup?
  4. Noise in the rear, maybe bearings??
  5. e-series jet spec's?
  6. need help jetting with slip on?!?!?!?!
  7. strippin the screws
  8. biuld one
  9. different oil cooler i found on ebay!
  10. 14th
  11. RK CHAIN MASTER Link Trouble!
  12. the chain broke and cracked the engine???
  13. unsatisfied with my 426, what's wrong??
  14. i have a BIG problem...HELP!!!
  15. Powroll Performance question
  16. K&N oil filters
  17. big gun
  18. Anyone know where........
  19. alien exhaust for 400ex is it good or bad?
  20. new tires : razr II's or holeshot XCR's
  21. jetting......whats right?
  22. Quad Jerks
  23. Jetting?????
  24. Darn neutral switches...!!
  25. Questions about k&n power kit
  26. Where can i get a big gun header
  27. checking valves
  28. needle adjustment
  29. PC Racing Car Vents?
  30. jet for WB
  31. Hotcams Stage 2
  32. how much hp
  33. 300ex Not Starting.....
  34. what sprockets and size chain??
  35. exhaust for stock 400ex
  36. air box
  37. 300ex hetrick racing pipe?
  38. 400ex!!!!!!!! HELP NEED MORE SPEEEEED!!!
  39. got scanner working
  40. Porting on a 4 stroke
  41. wb cam core refund, not the normal question
  42. Will This Help ?? ? ??
  43. Supertrapp IDS2 Exhaust??
  44. Trinity Exhaust
  45. heat shield istallation for DMC???
  46. Just installed 14th.
  47. need help!
  48. Jetting problem?
  49. I need help pretty quick
  50. clutch problem on a 400
  51. Pipe/Oil tank/Hyd Clutch Clearance???
  52. Potential Power
  53. hetrick 300ex pipe
  54. porting
  55. air box mods?
  56. What does everyone think about this airbox lid?
  57. Valve Adjustment
  58. newB here!!! ?'s on k&n outerwear
  59. stock 400ex header question
  60. Powroll 250ex bore kit results
  61. CR 125 motor question
  62. Big gun slip on vs Big gun complete system
  63. Who makes airbox for 250x!!!
  64. 250EX Carb Jetting
  65. head pipe louder?
  66. top speed 400ex
  67. Jetting for LRD
  68. Which Cam?
  69. oil cooler
  70. reverse custom setup
  71. Big Gun Head pipe?
  72. XR400 head gasket?
  73. Fdo
  74. what piston is best for me?????
  75. Anyone Know? Compression Difference..
  76. pleease help
  77. What's the Deal
  78. Trx500r?????
  79. twist throttle
  80. Jet Kit Problems
  81. Oversize Oil Tank....
  82. wiseco 440 big bore kit....
  83. Installing K+N!
  84. Hydraulic Clutch Installation
  85. Another Jetting Question?
  86. Starting Trouble
  87. Keihin FCR39MM... 6 HP Gain?
  88. 400EX Carb on 300Ex
  89. Motor likes to crank now that I installed 416 kit???
  90. back to stock exhaust. problem.
  91. Not Stock!
  92. 300ex Jetting help
  93. battery losing charge
  94. wb pipe
  95. Dial-A-jet
  96. head pipe welds?
  97. Clutch
  98. aahhhhh WHAT SOULD I DO
  99. front sprocket
  100. clutch lever and perch replacement
  101. 416-426 kit vs BIg gun complete system
  102. Street Bike Engines
  103. How can I tell?
  104. Front Sprocket Torque???
  105. 300's headpipe
  106. flywheel puller
  107. front sprockets?
  108. I'm officially stumped..need help.
  109. Sweetest sounding pipe
  110. one moment of your time please
  111. And You Thought Yours Was Fast
  112. new deal
  113. I got a question?
  114. how does this sound
  115. any one with a 250x
  116. UM Racing oversize oil tanks now available!
  117. Just got finished rejeting I have a question.
  118. Whiter Bros. Rev Kit?
  119. Timing for 300 EX
  120. paint
  121. What would win 250X or Kaw Mojave
  122. Leo is the man!
  123. White Bros. quiet core insert. Any Good?
  124. dial-a-jet
  125. Lt500
  126. So what does you think???
  127. What is this?
  128. white brothers powerup kits
  129. I bought a 300EX and need some help.
  130. TC racing
  131. 11:1 and race gas
  132. what is that little screw???
  133. 14 T =roost
  134. Lean pop on a truck???
  135. please help
  136. Ticking noise
  137. WOW, I need big help on my 300EX, please try, clutch
  138. Valves
  139. 350x cdi unit
  140. Help!!!!!!!!!!!!!!!!!!
  141. 330 kit
  142. A taste of things to come?
  143. Whats the diff between White r4 & e-series.
  144. Trx 90 Cold Natured
  145. R4 question
  146. gas leaking......
  147. gas leak out of carb
  148. tripple rate shocks
  149. 250x
  150. what happens when i up it?
  151. Anyone looking for a Mint 89 250R
  152. MY 400 has no POWER!
  153. Clicking....No its not the battery
  154. What can I do to my stock silencer?
  155. I need some advise about 330 kits
  156. 300ex top end rebuild issues
  157. What gas!!!!!
  158. Rings On WB E-Series
  159. 250x conversion
  160. help 300ex motor funky please help
  161. sprockets
  162. cobra pipe
  163. polishing a t4
  164. Cam next ?
  165. Oil Filter Number???
  166. best top end pipe
  167. another cam question
  168. 300 valve timing Question
  169. Bad trouble guys real bad.....
  170. jetting 2002 400ex wit K&n and lid removed questions
  171. 10.25 : piston questions
  172. Need info on 416 & 440 kits ASAP PLEASE
  173. ENGINE Help
  174. valve tapping loud please help!
  175. blue smoke
  176. 300 ex jetting for the umpteenth time
  177. New 300ex Question
  178. chain, 2 master links??
  179. new here
  180. What is a good starting point for go fast goodies...??
  181. im gettin a new 300 should i get a pro fab bore kit or a ct big bore kit?
  182. would it run good or not?
  183. Yoshi pipe on stock 300ex?
  184. esr 330 kit
  185. Hotcam without a high compression piston, anybody ?
  186. 300ex oil filter cover
  187. jetting and speed question
  188. First thing I should do to my 300ex?
  189. Stock-high compression, 416,or 426 on my 02 ex 400?
  190. warrior VS 300ex..
  191. big bore vs. big bore
  192. Help... Carb Jetting question!!!
  193. polish head pipe?
  194. need motor work
  195. K&N airfilter let dust in my motor
  196. 250x sprokets
  197. Exhaust
  198. 42 hrs and a smokin 400!!!
  199. Sparks or Trinity for engine work???
  200. help with 250r
  201. What size carb
  202. 3 Cam Questions
  203. yoshimura pipe on big bore
  204. Header Pipe Doesn't Have Welds?
  205. electrical button
  206. Strange electrical problem!!
  207. is the 400ex bigger in size than the 300ex?
  208. 300ex carb & jet
  209. performance question..
  210. 36 back sprocket????
  211. Changes in 300ex through the years?
  212. o shi*
  213. White Brother Pro Mag?
  214. engine torques
  215. No Spark
  216. Engine Work Help
  217. Do it yourself porting
  218. What is the right # for stp oil filter?
  219. K&N Dyno Jet Kit
  220. explain
  221. 350X top speed????
  222. Napa Filters
  223. how much for a yz26 motor?
  224. bigger piston
  225. Need assistance
  226. Now I'm really stumped
  227. Clutch disk
  228. Ceramic coated header
  229. Chain Lube Question
  230. What Carb should i get for my 400ex?
  231. How do I get ahold of FST???
  232. what it wrong i tried everything i know to try???
  233. knock,knock...
  234. need some help with my top end!
  235. Older Lectron
  236. Race Gas!
  237. Air box assistance???
  238. 2002 300ex
  239. LT250r pipe???
  240. what exhuast for 250r?
  241. Need help on 250r water pump
  242. wb r4 or e series?
  243. got my EX back today
  244. My 400ex will not start
  245. exhaust clamp needed
  246. Vented Intake Valve Cap
  247. tc cam / valve overlay question
  248. Possible tranny probs
  249. White Brothers Rev Kit
  250. my ex quit on me :(