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  1. Advanced Timing!
  2. bog in the air
  3. 400ex cold engine rattle/ticking
  4. t-4 for 250ex
  5. circlip fell into crankcase!!!!
  6. 300ex to350x ari boot??help
  7. what else?
  8. Um Air Box
  9. adjusting valve question...
  10. What's mu ney "cc" of my engine
  11. Stroked motor?
  12. which exhaust??
  13. 04 400ex carb. (38mm)
  14. compression
  15. Switch to Synthetic or not to switch
  16. when is your chain TOO loose?
  17. Which ones???
  18. cant get clutch adjusted right...
  19. Front end problem
  20. fatboy4
  21. how can i make my400ex faster?
  22. crf450r carb in a 400ex
  23. 416 mx motor
  24. 2001 250ex carb drain tube
  25. Who has a HMF pipe?
  26. I need help !!
  27. shortining silencer?
  28. Best Exaust For a 250R
  29. Advanced timing key?
  30. Clutch Shifter Pin
  31. head bolt
  32. Aluminum air box????
  33. Help with what to get for power
  34. LRD or E Series for 400 EX?
  35. bearings
  36. Melted pistons= bad news
  37. Gearing XC
  38. Radiator Question
  39. Yamaha Will Always Rule
  40. 250ex manual clutch kit
  41. What Do You Guys Think?
  42. Exhaust System on 400EX
  43. i need a 92mm piston 11-13 to 1 4 a 400ex
  44. Advance timing key?
  45. need advice on exhaust
  46. LRD, Pro-Curcuit, or Bug Gun?
  47. jb weld?
  48. 440 kits
  49. help 416 buildup
  50. Head bolt tourqe specs?
  51. 39 FCR carb question ???????????????
  52. Titanium 4
  53. 300ex sounds and feels abnormal
  54. anyone using the doug eichner 38 mm carb on a 440 ex?
  55. Aftermarket cam, rocker arms???
  56. 300ex cam=250x cam?
  57. damage to motor
  58. stroker pipe
  59. I need the calculation to figure out cc's
  60. stock needle number??
  61. ? about HEAD WORK?
  62. Wiseco Or Je
  63. K&N Air Filter + Dyno Jet Kit
  64. HMF Website??
  65. rev box???
  66. just cut the stock pipe down a bit.
  67. Timing questions.....
  68. which motor
  69. Installing Head Stud ?'s
  70. What pipe should i run with this engine kit???
  71. hmf jetting help
  72. need help finding an old thread...
  73. flipped wheels?
  74. need a little more
  75. Will this engine ever be in a quad?
  76. ticking
  77. FCR stuck Throttle?
  78. new chain with a new 14 sprocket
  79. TC exhaust?
  80. New clutch lever???????????
  81. Changing gearing for bigger tires
  82. Mixture screw question
  83. Rear Brake Rotor options ??
  84. 300ex exhaust?
  85. 1 word answer: DPR8Z same gap as DPR9Z?
  86. 300ex question?
  87. does rich mean...
  88. twist throttle
  89. Going to 22" rear tires, what gearing to offset
  90. how to figure hp
  91. Check out my new oil tank with vents!
  92. CRF450 ---> 400ex
  93. Sparks Timing Advance Key
  94. info you all might enjoy...
  95. knocking noise?
  96. 200x motor problems again.....
  97. Pro-Fab 330 Kit
  98. 400ex *Gear Ratios*
  99. Flywheel
  100. the boys xr 70 troubles
  101. pipe for 250ex
  102. 1987 xr250r dirt bike compaired to 250ex
  103. washer under needle clip??
  104. how do i repack my dg krome power silencer
  105. e-series
  106. 400ex blew smoke?????
  107. FMF Jetting?
  108. which cam
  109. cutdown supertrapp
  110. Clutch?
  111. Help! Pappy? Anyone else?
  112. 300ex problem
  113. QA and XR 50 carbs
  114. Blown HEAD gaskets
  115. Slip on pipe vs. Full exhaust system
  116. Motor Work
  117. overflow of my carb
  118. I blew out my crank BEARINGS!!!!!!
  119. will a 330 big bore and a cam do alot to a 300ex
  120. 300ex rockers
  121. hmf
  122. What's wrong with my 300ex?
  123. reeds
  124. Clutch Rubbing
  125. Carb and jet
  126. 425 owners post here
  127. pro curcuit t4
  128. clutch lifter pin
  129. wont run in high rpms???
  130. best type of sprokets and chain
  131. Engine Vibration
  132. Knocking noise while turning sharp at slow speed
  133. Jets!!! So Many Wich One???
  134. Bills pipe
  135. 250x decompression problems
  136. Head gasket and stud dilema...(long)
  137. my chain and sprockets
  138. best yfz pipe
  139. how do you all run?
  140. stock Carb question
  141. results from my cam/piston
  142. can you get a different size needle from keihin??
  143. Rear axle carrier
  144. 400ex cylinder problems HELP
  145. Big Gun pipe combo
  146. Sparks gasket of Cometic Flexsteel?
  147. Anyone use this gearing?
  148. My Spark Arrestor
  149. Where can i get a good/cheap dome, piston,sleeve.....?
  150. I have a few questions about a spacer plate on a 330, to make it a 350.
  151. 14t front sprocket
  152. Whats the best pipe and silencer for a 250r?
  153. Need a picture...
  154. Anyone a metal fabricator/machinist here?
  155. DG Xcelerator exhaust?
  156. just put in new hotcams stage 1
  157. pics
  158. what is the loudest pipe for the 400EX?
  159. Rebuilding engine
  160. setting timing
  161. What is the quietest performance pipe for 400EX?
  162. Advence ignition, good or trouble?????
  163. Cutting a Yoshi Exhaust...
  164. Quick ??? loose rear hubs!!!
  165. Where to get rings for a Ross piston?
  166. high comp piston
  167. 400ex jetting prolems. NEED HELP!!
  168. How Many links are on a 400ex chain?
  169. Best Filter
  170. Exhaust ?
  171. recomendation on jetting for cam and piston
  172. Removing the paint on my cases and Cylinder...
  173. To grind or not to grind
  174. HELP HELP HELP! Problem with ESP Shift Program Honda Rancher........
  175. Simple Silencer Survey
  176. xr400 cam
  177. CRF 450 engine in 400 ex
  178. 400ex bog
  179. What kind of performance gains?
  180. jetting question for these mods
  181. 300ex clutch?
  182. Trail Tech
  183. Banshee is leaking anti-freeze outa top of head...
  184. funny ticking noise
  185. TC cam settings
  186. what gains do you think ill get?
  187. 250r stroker question
  188. Chain Removal and Gearing lessons
  189. Why the x-6?
  190. choke removal jetting
  191. K&N [jet kit ] quistion "main jet"???
  192. Pipe:Sprocket ?
  193. 440 cylinder to stock cylinder
  194. Fiber is good for you??
  195. dial a jet
  196. je piston ?
  197. Hmf / T-4 / E-series
  198. Pipes for crf150
  199. 300ex motor work and pipe?
  200. help w/ 330ex kit.
  201. 400ex is pissing me off....help
  202. someone figure out my carb!!!
  203. spit and sputter!!
  204. can anyone help my friend out ???
  205. powerbomb and bills thunder?
  206. 416 with stage1 hotcams jetting
  207. 3 angle valve job on a 416
  208. Pics of what happend.....
  209. Cheapest place to purchase LRD Pro 4?
  210. To stroke or not?
  211. Something electrical
  212. 250R kicker skips
  213. Yet Another Jetting + Carb Question
  214. Big bore vs stroker ?
  215. wrong forum for this
  216. 86 links in a 300ex chain?
  217. 250r engine..someone please answer
  218. HRC parts
  219. 400EX Motor Problems
  220. Tri-metal xr 400 gasket?
  221. 440 Base gasket Oring question
  222. why am i running lean?
  223. Slipper clutch for 400ex
  224. ProfabATV, anyone know anything about em?
  225. 300 head work?
  226. jagg oil cooler
  227. Duncan Fat boy exhaust
  228. gear ratios?
  229. Fuel Filters
  230. do 400's usually run hot
  231. what card does a 400ex have
  232. hotcam STAGE 1 OR STAGE 2
  233. 15w-50 in the winter?
  234. procircuit t-4
  235. air filters
  236. Electrical problem, a real stumper
  237. Silencer
  238. Shaved flywheel
  239. fcr
  240. head gasket replacement
  241. Front Sprocket question
  242. replacing water pump seal need help!!!!!!!!!
  243. looking for: outerwears air box filter??
  244. how to take of reverse rev limiter
  245. 250r engine in 400ex chasis
  246. port job
  247. best 300ex pipe?
  248. 300ex motor work
  249. Arias piston
  250. Best Exhaust system for 400ex?