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  1. Radiator Leak?
  2. 350X oil cooler on 300EX
  3. names
  4. pipes?do they help?
  5. Octane Q
  6. What does the FCR carb come with?
  7. LRD pipe and FMF
  8. New Rules for National MX Racing
  9. Modded stock exhaust
  10. Oil Change?
  11. Companies to bore
  12. Modified Carb
  13. best exaust for 400ex???
  14. jetting question
  15. Engine combo price??
  16. Need clutch help
  17. Hard Start
  18. xr400 or gtthunder cam?
  19. Quick Valve Q
  20. xr250 cdi box?
  21. 87' yamaha "pig hair"- carb ?
  22. Hello and a question about re-jetting
  23. Is Changing Clutch Plates Hard?
  24. Hey jet Question where can I buy them PLEASE HELP
  25. Max size increase?
  26. tether kill switch problems...
  27. How does this Sound????
  28. Help!! 300ex not running!
  29. Rejetting with open airbox.
  30. 250r Keihin carburator on 400ex
  31. new top end vs crank bearing
  32. Supertrapp Ids2
  33. spark plug boot
  34. final mod do u guys rec this
  35. lectron carb
  36. fcr or the edelbrock quicksilver carb
  37. Honda problem
  38. Sprockets
  39. 400 EX manuals
  40. Dome Top Air Box & Block Off Plug
  41. Aftermarket cam owners!
  42. What to do next
  43. jetting stock 400ex carb
  44. Which pipe 2 get???
  45. More Horsepower??
  46. 4 stroke Reeds?????????????
  47. Piston ??'s
  48. 406ex
  49. Rasing the needle?
  50. what is the best pipe for my friends 250x?
  51. What Would Happen???
  52. Please help! What jet?
  53. 305 cc kit?
  54. motor work
  55. Time to mod my 300EX,what to get?
  56. 400ex stalls
  57. Hey Leo
  58. plug fouling with new pipe on 400ex:confused:
  59. is a 300EX Chain a 520 or 530?
  60. Timing chain
  61. 2 Questions in 1 post (airbox & exhaust)
  62. hp ? 330 kit, 11-1 .080 piston
  63. Anybody Ported and Polished their quad?
  64. 14 T
  65. Void warranty
  66. best pipe for a 300ex ?
  67. XR 400 cam
  68. kick starter
  69. oil filter cover bolt
  70. Clutch replacement on 01 400EX
  71. I need some last input on this cam subject!!
  72. Question (440EX)
  73. New guy
  74. Which Cam for 300EX?
  75. Raptor Race
  76. spark plugg coming loose
  77. what mods for less ca$h?
  78. engine sputtering problems?
  79. After Market Air Box ?
  80. Best 300ex Exaust?
  81. 440 or 416?
  82. Yoshimura bolt on
  83. Do I need a jet kit?
  84. Oil drained on rebuild
  85. 300ex piston
  86. Clutch spring bolt torque?
  87. Jetting w/ K&N & Supertrapp IDS2
  88. 416EX kit?
  89. fcr
  90. hydraulic clutch install! HELP!
  91. curtis sparks carb mod for 400ex
  92. 300ex pipe install question
  93. Someone know the Compression(psi) of a stock 400ex
  94. Shop problems, HELP! !
  95. 420ex wooohoooooo
  96. HELP!!! 400ex wont start or run!
  97. K&N v/s Uni v/s stock
  98. Ex Question
  99. Do i have to play with air/fuel mixture screw if i put a 42 pilot jet on????
  100. Time to upgrade
  101. stiff throttle
  102. opinions on 14 tooth sprockets
  103. Hard Rockers Arms
  104. Where to find main jets
  105. What pipes do you have? And what would you recomend for me?
  106. je piston packages
  107. What should I do next
  108. Any one have DMC pipe or the System?
  109. Does the K&N Jet Kit have what I need? PLEASE read
  110. What do you think of the Mega Maxx II Pipe on a 300EX?
  111. Engine's gonna be opened up
  112. DOODS, I did something stupid!!
  113. uh oh
  114. noise
  115. need immediate help with right case cover on 400ex
  116. the question asked a thousand times
  117. Quad wont start
  118. A few mods. for the fun of it........
  119. T4 problems
  120. 400EX Pipe???
  121. Which Pipe???
  122. my white brothers pipe mods.
  123. This Is Funny
  124. Pingry Oil Tank
  125. Why oh Why?
  126. What mods....
  127. e-series or fmf??
  128. what is the best cleaner to get stains off the moter that got caked on??? help
  129. What are Uni Air Vents?
  130. rev kit ?????
  131. +1500 rev kit??
  132. Here we go!
  133. Cheap motor mods for my R???
  134. 300ex tach
  135. starter not working just clicking
  136. HRC cam?
  137. Big Gun Exhaust?
  138. Faster Bike, Help?
  139. Torque wrench?
  140. Used FCR
  141. Snorkle????
  142. How to make a 300ex eat a warrior..
  143. Q series FMF
  144. 300ex motor work
  145. decelarating popping
  146. Exhaust for my 250ex...
  147. Running lean?
  148. e-series pipe CAN ANYBODY HELP!?
  149. Advanced timing key
  150. 440 kit = more matnince?????
  151. 300EX will not start!!!
  152. EBC clutch?
  153. valves
  154. 440 kits? how did you go about it?
  155. Advanced Timing Key
  156. opinions/suggestions please
  157. Graydon Proline Exhaust???
  158. 440 Question
  159. Carb
  160. Question about 300ex jetting Very important!! Please Help!!!
  161. e-series jetting?
  162. Popping out of gear?
  163. Camshaft bearing, need help!
  164. white bros. and power bomb
  165. i need help like today
  166. 87 250x in too deep
  167. Stock Carb and Jets?
  168. It's starting, hehe
  169. powerbomb header
  170. airbox mods
  171. 250R oil drip from exhaust flange
  172. Installing jets
  173. help me adjust my valves- NOW!!!
  174. xr400 cam install
  175. Spark plug wrench size for 400ex
  176. Oil Leak
  177. curtis sparks timing key
  178. What pipe should i get
  179. 400ex smoking when i push throttle
  180. Help with new Perch and Lever
  181. HRC Piston Installed!!
  182. FMF Power Core IV Q, How quiet is it?
  183. Help!!!!! Backfire And Drip
  184. You guys were right--THrottle Adjustment
  185. Adjust Throttle Cable
  186. recon
  187. 416ex crankshaft problem????
  188. Decisions Decisions(did i spell that wrong)
  189. Twist Throttle Intallation
  190. No juice when key is turned on...
  191. what jet should I use with Yoshimura Race pipe?
  192. Drop in cam for 300ex
  193. how reliable \\\\\\?
  194. piston
  195. big gun complete?
  196. Puzzled
  197. to much air
  198. Aftermarket silencer too long?
  199. what to do.......
  200. Leaking Carb
  201. wow I got a great deal.....
  202. 400ex transmission problems ??????
  203. Carborator Question
  204. Plugging air box Holes for mud runs
  205. Jet size for my mods?
  206. Seem like a good price?
  207. spark plug question
  208. Cam question
  209. idea for increased air????
  210. D & D racing
  211. Compression Test
  212. 250ex pipe decsision
  213. Jetting and reading plug- help
  214. niks prox piston
  215. exhaust temps
  216. Geez another problem
  217. Valve Spring Compressor
  218. XR400 cam benefits
  219. 250ex pipes! help!
  220. 416 vs. Stock Piston
  221. 416 kit
  222. How excactly do you check your jetting?
  223. re-jetting
  224. WB Rev Limiter, Wow!
  225. Pro-Circuit T4 power ?
  226. header pipe question
  227. anyone please...300ex spark arrester.....need to know
  228. Carb???
  229. Whats the best piston to run.
  230. compression test results?
  231. Best place to buy 11:1 piston w/ XR cam
  232. speakin of WB CDI's
  233. 330 jetting?
  234. Power loss
  235. FMF ignitions
  236. Place In Ohio For Machine Work/installation Of 440 Big Bor And Cam
  237. New "Fat Boy 4" exhaust from Duncan Racing
  238. What do you guys think of octain boosers?
  239. TC`s Cross Country Engine
  240. installation of 14 tooth fr sprocket
  241. The TRUTH about WB Rev Box!
  242. Anyone Know anything about re-packing WB R-4???
  243. DG foward mounted oil tank
  244. fmf titanium4
  245. Question on repacking pipes
  246. foot pounds
  247. Air Filter
  248. 400ex oil cooler - Bigger Please
  249. Cr Perch
  250. whic jet kit is best?? K&N, dynojet, other??