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  1. Questions on my Yoshi (3 replies)
  2. What site has broken down digrams for 250x (0 replies)
  3. What screw do you turn to idle down 250X (4 replies)
  4. Speedworld Motorplex, ATV drag racing has come to Arizona. (9 replies)
  5. Jeff @ Quadshop (7 replies)
  6. Help me, what is the stator (2 replies)
  7. esr silencer (3 replies)
  8. Marcums 416 kit (7 replies)
  9. Help (0 replies)
  10. what should i get? (13 replies)
  11. msd ignitions (4 replies)
  12. Noleen Pipe on a 400ex 4 sale for 1000 dollars (3 replies)
  13. What kind of carb does a stock 400ex have/ (1 replies)
  14. FCR39mm tuning (5 replies)
  15. carb problems... (4 replies)
  16. Got big gun slip on but it's a little loose where it connects to header (6 replies)
  17. K&n power kit (9 replies)
  18. fuel filter (0 replies)
  19. Clutch Springs (1 replies)
  20. 300ex, Modify or Not? (16 replies)
  21. 300ex engine swap (1 replies)
  22. cleaning (6 replies)
  23. 400ex Exhaust...LRD? Big Gun? Hetrick? (14 replies)
  24. YZ426 in 400ex (21 replies)
  25. Just installed Pro Circuit T-4 (14 replies)
  26. Timing (13 replies)
  27. How fast is your modded 400ex (64 replies)
  28. 300EX MOTOR MODS. "instalation cost's"? (0 replies)
  29. 250ex (5 replies)
  30. need more power (0 replies)
  31. Mega Max 2 sound (5 replies)
  32. Good MX sprocket combo (20 replies)
  33. t-4 head pipe (10 replies)
  34. quick question..... (2 replies)
  35. Stripped vavle adjustment cap (1 replies)
  36. Jetting (4 replies)
  37. what series pilot jet,series 21 or series 22 (1 replies)
  38. Cranking up the CCs but sticking to pump gas? (15 replies)
  39. 416 (7 replies)
  40. What is the best carb to run with a 440ex ? (7 replies)
  41. DG pipes (3 replies)
  42. 250ex carb (3 replies)
  43. First day out with my soon to be 250X (6 replies)
  44. Where and What Chain and Sprocket to get??? (7 replies)
  45. how much dbs (6 replies)
  46. Needle Jet? (7 replies)
  47. motor for a 300 (4 replies)
  48. 440 kit (8 replies)
  49. FST oil cooler (3 replies)
  50. 250 ex speed?? (14 replies)
  51. carb set up (1 replies)
  52. jetting (2 replies)
  53. woodruff key (2 replies)
  54. cant get it back together (6 replies)
  55. New Twist Throttle SCARY (9 replies)
  56. Place to buy a Pro Circuit T-4 Slip-On ??? (8 replies)
  57. My 2001 400ex....nice pics...T4--great pipe (17 replies)
  58. Jetting? (4 replies)
  59. gearing advice (4 replies)
  60. is it hard (7 replies)
  61. how much will all this cost (3 replies)
  62. e series (2 replies)
  63. Question's on a 300!?!? (4 replies)
  64. exact cc's?? (3 replies)
  65. what is a key? (3 replies)
  66. motor noise 2001ex (7 replies)
  67. idle speed (2 replies)
  68. oil filters (12 replies)
  69. Quiet Core? (4 replies)
  70. Just orederd stuff (10 replies)
  71. YOSH or Pro Circuit T-4 (9 replies)
  72. Ok Guys (2 replies)
  73. White brothers e series (4 replies)
  74. Pipes (0 replies)
  75. Quietest Slip-ON besides FMF PC4Q!!!! (1 replies)
  76. Valve Adjustment ?'s (2 replies)
  77. nacs bore out carb??? (5 replies)
  78. getting water in my intake??? 300EX (1 replies)
  79. what jetting (1 replies)
  80. Jetting info (1 replies)
  81. xr400 gaskets=degree cam??? (8 replies)
  82. HELP 400ex PROBLEM!! (7 replies)
  83. Best sand set up for a 300ex (0 replies)
  84. Sproket Questions!! (4 replies)
  85. pro design coolhead (0 replies)
  86. Curtis Sparks 8 Plate Clutch Setup (7 replies)
  87. raptor starting problem????? (2 replies)
  88. a few questions before i purchase this..... (10 replies)
  89. Rejetting and high elevation? (2 replies)
  90. yoshi or e-series (1 replies)
  91. buddy news help with 300ex (5 replies)
  92. mods (1 replies)
  93. k and n (6 replies)
  94. Question on Weisco 440 kit (3 replies)
  95. Sprockets and Chain (8 replies)
  96. Gaskets Problems (2 replies)
  97. HMF pipe any good? (0 replies)
  98. Low End Power!!!! (7 replies)
  99. do i have to have this??? (6 replies)
  100. 250r throttle is too stiff with new carb!! help! (3 replies)
  101. question's on why i got beat by raptor! plz help (14 replies)
  102. Now whats wrong? (7 replies)
  103. Supertrapp (1 replies)
  104. pipes & jetting questions (1 replies)
  105. 400ex (2 replies)
  106. bored 0.60 over (4 replies)
  107. Lets hit the streetz! (7 replies)
  108. powroll kit for 250ex (2 replies)
  109. Stock Re-jetting (2 replies)
  110. AIR/FUEL mixture (3 replies)
  111. What size is a stock 400ex main jet (2 replies)
  112. TC Exhaust (3 replies)
  113. Speed (11 replies)
  114. banshee carb question ??? (4 replies)
  115. First mods w/ some problems. (3 replies)
  116. Got X-6 ? (8 replies)
  117. What is the stator (0 replies)
  118. my bike is apart and I dont know what to do!!! (21 replies)
  119. 300ex Speed? (3 replies)
  120. hey NAKOMIS..... (11 replies)
  121. WB, How many Discs... (19 replies)
  122. 250ex head pipe (1 replies)
  123. 400 EX on NOS... (15 replies)
  124. jetting? (2 replies)
  125. I need to know if the big gun race slip on is loud? (400ex) (13 replies)
  126. What jetting should i get with big gun race slip on? (400ex) NEED HELP (0 replies)
  127. Jet Kit for 250x? (1 replies)
  128. Trinity pipe (0 replies)
  129. air box lid off (3 replies)
  130. 300 4x4 Fourtrax (8 replies)
  131. Best Free mods for a 400ex (15 replies)
  132. what do i need to do (4 replies)
  133. t-4 jetting (0 replies)
  134. Your Opinion Please! (19 replies)
  135. Electrical problem still? (2 replies)
  136. Putting a motorcycle engine in a Blaster?? (1 replies)
  137. air fuel adjustment (2 replies)
  138. clutch adjustment? (8 replies)
  139. Best bang for the buck EX 300 (3 replies)
  140. outerwares airbox lids (2 replies)
  141. re-jet??????????? (0 replies)
  142. anyone got a power kit? (3 replies)
  143. Why doesn't my 300ex start? (9 replies)
  144. airleak? (0 replies)
  145. what should i do to my400ex to really bring her alive??? (10 replies)
  146. help a.s.a.p!!! (6 replies)
  147. What is the best and loudest pipe for a 300ex??? (17 replies)
  148. HRC Needle (0 replies)
  149. could i get more speed and low end power? (2 replies)
  150. digital oil temp guage (0 replies)
  151. Curtis Sparks Advance Timing Key (37 replies)
  152. engine builders pipes for 300ex (3 replies)
  153. 250ex wont start (16 replies)
  154. adjusting clutch (2 replies)
  155. 2002 300EX clutch adjustment (2 replies)
  156. 250r porting questions! need help ASAP (16 replies)
  157. Powertech 4 Exhaust (2 replies)
  158. 416 or 426 (2 replies)
  159. 318 or 330 bore kit (0 replies)
  160. Sparks silencer (1 replies)
  161. Yoshi slip -on Ques? (15 replies)
  162. need help --> (0 replies)
  163. What exactly is a "Slip-on" pipe? (5 replies)
  164. Sparks Racing 465 National Kit? (11 replies)
  165. Cheap White Brothers E-Series Exhaust for 300ex??? (1 replies)
  166. oversized valves (3 replies)
  167. minuki jetts (3 replies)
  168. K&n (1 replies)
  169. Yoshi w/ 440? (0 replies)
  170. 416 kit, cam and all (1 replies)
  171. Cold Starting??!!!! (0 replies)
  172. Modified my oil tank... (7 replies)
  173. plugs ? (9 replies)
  174. Oil Filter 250ex (9 replies)
  175. could i get more spped? (23 replies)
  176. warrior or 300ex? (22 replies)
  177. stock jett (1 replies)
  178. 416 kit (1 replies)
  179. Where can i buy a white brothers air filter? (1 replies)
  180. chrome side casing???? (12 replies)
  181. fmf mega max 2 jeting (0 replies)
  182. Cheapest place to find Pro-circuit t-4 (10 replies)
  183. White Brothers Power Filter? (1 replies)
  184. Jetting help again please (1 replies)
  185. Sprocket Setup??? (2 replies)
  186. 416 kit on its way a couple questions on what I am buying (17 replies)
  187. 300EX reverse (15 replies)
  188. Choke question (6 replies)
  189. K&N filter and stock airbox prob. (1 replies)
  190. E-series Dimple (3 replies)
  191. 400EX Pipe, which one? (1 replies)
  192. Tripple rate or dual rate for 400EX??? (5 replies)
  193. k&N JETKIT- AIRBOXLID or NOT??? (3 replies)
  194. 300ex idle problem (2 replies)
  195. what would you do (2 replies)
  196. oil question (0 replies)
  197. Gaskets on 400EX (4 replies)
  198. Cleaning the Spark Arrestor (1 replies)
  199. 416 kit vs 440 kit? (1 replies)
  200. LRD Pipes don't fit so good (25 replies)
  201. Outerwears airbox cover (4 replies)
  202. oil cooler for 300ex (1 replies)
  203. Duncan Fat Boy 4 (3 replies)
  204. rejett for t4 (2 replies)
  205. oil in quads? (0 replies)
  206. New 416 kit jetting questions... (11 replies)
  207. Head Work!! (0 replies)
  208. 440 With Stock Pipe? (0 replies)
  209. Carb Trouble (0 replies)
  210. K & N filter (2 replies)
  211. Heard Something Strang (13 replies)
  212. pistons (0 replies)
  213. stock 400 carb or aftermarket fo 300ex (1 replies)
  214. hmf or a t-4?!?!?!?!? (1 replies)
  215. 350x AirTube?? (0 replies)
  216. broken white bros. muffler (17 replies)
  217. 250X with LT500 Motor (6 replies)
  218. Different octanes question? (8 replies)
  219. big bore kit for 250ex? (8 replies)
  220. oil in magneto side (4 replies)
  221. Have a question about my jetting? (3 replies)
  222. ticking ... (9 replies)
  223. Individual Gaskets???? (2 replies)
  224. Power up kits for the 400ex (20 replies)
  225. damage for lean (5 replies)
  226. curtis sparks x-6 exhaust (4 replies)
  227. cbr 600f4i in 300ex (6 replies)
  228. slack in the thumb throttle.... (6 replies)
  229. 300-EX Twist Throttle (1 replies)
  230. Help Quick (1 replies)
  231. New filter? (5 replies)
  232. the 416 lives! (25 replies)
  233. Foam airbox vents? (4 replies)
  234. yoshimura $ (0 replies)
  235. How lean is this? (5 replies)
  236. BIg gun Race series slip on.Is it loud? for a 400ex) (1 replies)
  237. Oil Q... (15 replies)
  238. Pain in the @$$! (5 replies)
  239. Pipe Sugg. (2 replies)
  240. Jetting troble, possible ignition??? (5 replies)
  241. front sprocket help??? (1 replies)
  242. Get the dyno jet kit or use mikumi jets? (0 replies)
  243. how do you put in air box vents? (10 replies)
  244. BIg gun Race slip on Vs HMf slip on? HELP (1 replies)
  245. Just ordered HMF slip on...any suggestions (3 replies)
  246. Does anyone have pictures of HMF slip on? is it a good pipe?? (0 replies)
  247. Jeting (2 replies)
  248. Strange Noise In Engine (2 replies)
  249. Clutch cable (2 replies)
  250. Aluminum airbox (3 replies)