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  1. Air Fuel Mixture???
  2. Stock Settings?39fcr
  3. were can you get.....
  4. which jets to use with this setup?
  5. Gas pouring outta the bottom of carb
  6. How good is PRO FAB ATV.
  7. Hooking up Kill switch
  8. What does a plug like this tell you?
  9. Review of 14 tooth VS 15 tooth
  10. Tc Racing Silencer
  11. is anyone running stock springs w/stage 2 hotcam?
  12. A question about Sparks adv. key
  13. spark arrestor in the T-4
  14. got my stuff from marcum?
  15. main jet help!!!!
  16. stage 1 and 2 xrcams, XR cam users need advice
  17. Ann E 1 have a temp guage on their 400
  18. air boot problems
  19. when is it tune up time?
  20. Tc Slip On With Mx Grind Cam?
  21. Where to get a magura?
  22. Chain Sizing
  23. A little rich maybe?
  24. Sprocket Q
  25. stock 400
  26. White Brothers Pipe Question Please
  27. white brothers cdi box??
  28. Sprocket Questions
  29. 400ex plastics on a 300ex little info
  30. FMF powercore pipe
  31. 300ex beat a 400ex?????
  32. White Brother Pipe Question
  33. White Brother E Series Pipe Question
  34. 39fcr
  35. best pipe for a 250x? whats your opinion?
  36. X-pump
  37. Please everyone read and reply.
  38. Bearings
  39. FCR ?s
  40. Alky on the 400ex???
  41. What gearing do you recommend at the Dunes?
  42. 416-425-440???
  43. Aftermarket heat shield
  44. xr 400 cam
  45. It has Been Asked..... Haven't been Happy with the Answers.
  46. 416 is Done, Thanks everybody
  47. 39fcr
  48. Big Problem
  49. thinkin about gettin 300ex fullbore plastics
  50. What Kit is the best
  51. Oversized valves ?
  52. Whow has removed the choke?
  53. front sprocket size?
  54. Mikuni/300EX jetting - almost got it!
  55. Ac Racing Atv Stand(specs)
  56. Dial-A-Jet
  57. WB cam for 300
  58. Grinding the head pipe
  59. Won't Start In Gear?
  60. Power Pro exhaust
  61. Air Filter and main Jet
  62. ??????????????????
  63. Clutch problem!!!!!!
  64. can you use the xr400 right case cover on 400ex?
  65. Im building a 416, and i have ???'s
  66. Problems!!!!!!!HELP
  67. Is there any known problems with the...
  68. 2-stroke mixture
  69. New 300ex idle questions
  70. dmc alien or e-series
  71. she sputters
  72. Valve lash on hotcam stage 2??
  73. 438??
  74. Sprokets?
  75. carb hp
  76. xr400 cam
  77. 300ex,scrambler,warrior who would win
  78. Thanks every body
  79. Just put my Yoshi on 300!
  80. What Cam
  81. R4 question
  82. FCR40 for $370
  83. what clutch perch
  84. 440 ex Dynos?????
  85. 750x in 300ex?
  86. LTZ440 in DirtWheels
  87. I dun f###ed up!
  88. how are you breakin in your stage 2 cam and high comp piston
  89. Titanium Valve Springs question
  90. Hi Compression Question!
  91. big gun jetting
  92. Tach and Speedo
  93. T4 or R4
  94. really fed up w/ jetting...
  95. What jets to use with this setup?
  96. Sparks Vs. Tc
  97. Question about my air box and The K&N filter
  98. Fuel types?
  99. were is the e-clip?????????
  100. Wheres the best place to buy a hotcam stage 2.
  101. Kick start on the 300ex? Help me out
  102. Air Scoops
  103. Got a quick question on jetting?
  104. 250R jetting...ESR TRX6 pipe and 38mm PWK
  105. FDO 473 Cost
  106. Im upgrading to a kickstart =)
  107. jetting for 416/stage 2
  108. Header pipe red hot?
  109. piston seized
  110. where to buy cables for FCR carbs?
  111. t4 pipe
  112. Gearing for Mx?
  113. NGK part numbers DR8ES vs DR8ES-L
  114. Color of a plug
  115. pipe ideas
  116. Hot Cams Help!!!
  117. 5300 ft alt jetting
  118. Heres one for ya!!
  119. Lrd 426??
  120. 300Ex/400Ex vs. Dirtbikes
  121. does anyone know
  122. fcr jetting
  123. larger intake = larger jet?
  124. spark plug
  125. sprocket ?
  126. Gas leaking from 400ex carb while riding
  127. who is runnin twist throttle on their FCR please read
  128. 300ex engine mods
  129. check out these duals!!!
  130. Question on RAD Valve Reeds
  131. Sparks X-6, Sparks Cam, Je Pistion and FCR39
  132. 39 Fcr
  133. Web Cams????
  134. Cold weather...
  135. White bros E-series?
  136. jetting with this 440 again... hmmm
  137. Clutch Help
  138. cooling fins
  139. gas pouring out of bottom of carb???
  140. ?engine kits?
  141. Fmf Pipe ???
  142. A question that I would like answered by a few.
  143. Piston and cam???
  144. need power advice
  145. cooling idea- would it work?
  146. t4
  147. 400'shard to start in cold weather
  148. 400ex question
  149. 250X Jetting Help
  150. How much oil do you use?
  151. lighting coil
  152. water cooling a quad, maybe. +more
  153. 416 w/hotcam installed : update
  154. Flashing spark plug caps
  155. Found my next motor
  156. Missing one tooth.
  157. How good is the Powerbong headder??
  158. does anyone really know about leaded fuel and valves?
  159. Has anyone got this? If so how well does it work?
  160. 250x fuel system
  161. 300ex questions
  162. New T-4 Quiet Core Almost ready!!!!
  163. Review: MotoJoe bolt on kit with WB promeg for 400ex
  164. 400ex: Stage 2 hot cam with stock piston ??
  165. Compression increase from no base, and xr head gasket
  166. jet coating
  167. Alcohol in my crf?
  168. Will a procircut PC headpipe fit a T-4 slip-on?
  169. sparks x-4 x-6
  170. brokeitin3 let me see your 250ex pictures. ( or ne one with a nice 250ex).
  171. Can I Use A Wb Headpipe For A Slip On???
  172. I decided
  173. A stupid question, but i need an answer
  174. woods race
  175. Strok'n out a 440Kit
  176. 3RD Gear bad: part 2
  177. Will a FMF header fit a Pro Circuit T4??
  178. 416 vs. 426
  179. case saver to fit 16t sprocket???
  180. extremeracer167 airscoops
  181. Compression Ratio Theory
  182. Which drop in cam for a 416 kit?
  183. Best Drop in for 416?
  184. what size socket for axle nut?
  185. valve clearence
  186. stroker
  187. Help!
  188. a little help!
  189. to lean or to rich???
  190. Stroker 440 - Any opinions or reviews?
  191. 400ex: Can not get the jug off ...
  192. What clutch and perch should i get after removing the parking break???
  193. 400ex: how to make the clutch handle a 440 kit
  194. 300ex
  195. Air/fuel Mixture ? 39fcr
  196. what should i use to grind the welds on the exhaust
  197. 400ex clutch perch which one
  198. ZAnyone see the KAW KFX700 V-Force in Dirt Wheels?
  199. Got my powerbong header today!!!
  200. 440 Kit or Cam & Piston
  201. 250r bored .080 over?
  202. need input
  203. Best Power Adder??
  204. how do i do this?:confused:
  205. XR perch
  206. what jet
  207. ok......simple Q so please respond
  208. need oil cooler instructions
  209. need oil cooler insrtuctions
  210. how many cc s
  211. Trinity Stage IV Racing Exhaust
  212. Reeds?
  213. 250r Pipe
  214. emgo sucks
  215. Pics of my top end
  216. 250r
  217. The Jetter The Better
  218. ? for T-4 owners for a 300
  219. Honda 400ex Battery
  220. xr650r to 400ex
  221. pilot screw adjustment
  222. wheres the pilot jet at??
  223. top end tear down
  224. port-n-polish?
  225. lrd pipe
  226. Supertrapp IDS2
  227. please help really quick:)
  228. engine mod ? for you guys who've been working on these engines for a while
  229. all terrain magazine
  230. 1991 honda 250x
  231. just a quick question, 400ex carb
  232. Pro Circuit T-4 Silencer 4 250EX?
  233. fcr owners please look, need help
  234. ADD a 250x starter to a 300...???
  235. removing choke
  236. e series info..
  237. Are all Curtis Sparks motors strokers?
  238. stock heat shield removed
  239. Are Curtis Sparks X-6's too loud?
  240. 250 stock main jet
  241. jetting carb
  242. What kind of chain and sprokets
  243. 300ex drop in webcam questions
  244. 11:1 piston swap
  245. porting question
  246. ?
  247. What series pilot do I need?
  248. Tc web site
  249. k&n jet kit question?
  250. weak battery?