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  1. welp...im screwed...(i think) (32 replies)
  2. K&N Air Filter (2 replies)
  3. Thumper web pages??? (0 replies)
  4. tpi dial a jet (3 replies)
  5. Best slip-on pipe (3 replies)
  6. jetting (5 replies)
  7. retime on a 01 raptor (3 replies)
  8. Alot of Questions I need Answered PLease Help! (2 replies)
  9. Sprokets for my 300ex (12 replies)
  10. Electrical Problem (8 replies)
  11. ohio?? (5 replies)
  12. Coat your cases!!!???? (9 replies)
  13. Smoking at startup (6 replies)
  14. 400Ex Carb on a TRX300Ex 4x4? (3 replies)
  15. Sparks 416 National Kit (17 replies)
  16. no spark (1 replies)
  17. Every 250ex Lover Check It Out.. (3 replies)
  18. 400ex go faster (8 replies)
  19. Problem, need help.. (17 replies)
  20. check out this phatty new wb exhaust!!! (1 replies)
  21. Ok here we go.. (1 replies)
  22. rev limiters (10 replies)
  23. Cheapest place for sprockets (1 replies)
  24. Gearing question help me out (1 replies)
  25. What Will Win In A Drag? (21 replies)
  26. i'm confused about a comment on hmfs website... (3 replies)
  27. 14t (2 replies)
  28. 40 Pilot Jet ? (8 replies)
  29. slip on ? (5 replies)
  30. what gears are should i run for mx (8 replies)
  31. FMF Mega Max (9 replies)
  32. Which Filter for dusty conditions with a lid? (43 replies)
  33. White Brothers R4 (10 replies)
  34. 300ex vs. warrior (16 replies)
  35. scrambler speed (9 replies)
  36. boring over (5 replies)
  37. HMF exhaust (7 replies)
  38. Sparks Racing (4 replies)
  39. Needing a 40 pilot jet for a 250ex. Anyone have one???? (3 replies)
  40. Stupid WB exhuast (4 replies)
  41. BIG QUESTION this can be answered by many~~~~~~ (11 replies)
  42. Where are the F.A.Q.? (2 replies)
  43. Pipe question. (0 replies)
  44. Best way to get rid of $300? (3 replies)
  45. choke screws reinstall (4 replies)
  46. Hrc or xr or stage #1 with (12:1) compression (1 replies)
  47. CTin (0 replies)
  48. My Ex Was 2 Slow (21 replies)
  49. 440exme-response, mailbox full (0 replies)
  50. Some Good Info (7 replies)
  51. Internal/External Gearing (4 replies)
  52. removing choke? (9 replies)
  53. Fastest Quad (64 replies)
  54. 400ex wiring diagram (1 replies)
  55. Can't Get it! (1 replies)
  56. Quad isn't starting,QUICK replays plz!! (7 replies)
  57. header and e series (0 replies)
  58. Jetting (0 replies)
  59. 39fcr vs 41fcr (6 replies)
  60. A very important question (1 replies)
  61. Where to buy my 416 kit (10 replies)
  62. Brok.3 Or neone else with the powroll bore kit installed. (3 replies)
  63. Is a degree key for me? (7 replies)
  64. Hows this sound? Power? (17 replies)
  65. 300ex (1 replies)
  66. Gearing.. (4 replies)
  67. Read: (4 replies)
  68. Sprocket (2 replies)
  69. PC 2000 on a 250r ? (19 replies)
  70. Who Has the best deal for chain + sprockets??? (11 replies)
  71. powerbomb header (21 replies)
  72. piston question (8 replies)
  73. important 400ex info (17 replies)
  74. how much power? PLZ RESPOND! (9 replies)
  75. Hesitation problem (5 replies)
  76. what size end cap do you run on a T4 silencer? (2 replies)
  77. Can only popstart it (16 replies)
  78. 250ex ? (5 replies)
  79. Jetting ? (1 replies)
  80. Weak 300EX (1 replies)
  81. Counter balance (1 replies)
  82. sprocket problem (17 replies)
  83. AAARGH Not Again! (36 replies)
  84. A good question for SMART atv owners. (4 replies)
  85. hey what about graydon proline?? (2 replies)
  86. Need pics of stock oil cooler with YZF conversion (3 replies)
  87. Which Pipe for a 400?? (26 replies)
  88. Best Pipe For a 400ex (10 replies)
  89. how big?? (5 replies)
  90. Would It???????? (7 replies)
  91. The weigh of 400ex or 650r motor??? (5 replies)
  92. Lost Site... (1 replies)
  93. white bros (10 replies)
  94. Wheel Bearing help (2 replies)
  95. Is a 250R sprocket hub the same as 400EX? (2 replies)
  96. not starting (5 replies)
  97. JE 416 Piston (3 replies)
  98. 300 ex (5 replies)
  99. Big Fin Head (39 replies)
  100. How can I make more power with the stock pipe? (2 replies)
  101. PJ Racing Air Box!!! (54 replies)
  102. changing filter (1 replies)
  103. Is there really a rev kit for a 250ex? (4 replies)
  104. 250r pipes... (3 replies)
  105. removal of engine compression braking (7 replies)
  106. c'mon guys i need help big time (4 replies)
  107. first mods for 400ex? new to four strokes help (12 replies)
  108. 400ex: how to remove the comp release (6 replies)
  109. lid (2 replies)
  110. Lrd silencer loose (6 replies)
  111. Which pipe once again!!! (20 replies)
  112. Rotax 250R W/ 50 HP! (21 replies)
  113. wiring diagram (2 replies)
  114. mod 250r vs. raptor (33 replies)
  115. 600cc engine in a 400 frame (3 replies)
  116. proper way 2 break in a crf 230 f (1 replies)
  117. 250r rear axle sprocket hub how do you remove it?help (2 replies)
  118. For those with the 500 stroker kit.... (6 replies)
  119. Cr500 (1 replies)
  120. 6th gear????? (25 replies)
  121. Where Did He Get A K&n Powerkit For $44.99??? (4 replies)
  122. about the strokers..... (4 replies)
  123. Clymer Manuals?? (6 replies)
  124. 250x carb adjustment (1 replies)
  125. Series 22 Jets (3 replies)
  126. TRX CT310 Cyl (10 replies)
  127. Need Help!!! (3 replies)
  128. 250EX, noise when shifting (1 replies)
  129. 400ex (2 replies)
  130. how to keep up with a raptor (21 replies)
  131. 300ex (2 replies)
  132. stroker motor (6 replies)
  133. Jetting ? (1 replies)
  134. AV gas (2 replies)
  135. Holes in airbox lid (2 replies)
  136. Airbox lid....NEED HELP (8 replies)
  137. 300ex pipes (4 replies)
  138. header and airbox lid (9 replies)
  139. free mods (22 replies)
  140. 440ex 41fcr jetting (1 replies)
  141. Battery Help (3 replies)
  142. 400ex add on light kits (26 replies)
  143. Jetting 400 (0 replies)
  144. Crowley Off Road Scoops (42 replies)
  145. Keihin FCR39 Carb Model Number (1 replies)
  146. 330? How bad is it? (53 replies)
  147. stock valve size on 400ex (0 replies)
  148. air box snorkle (14 replies)
  149. starting in second gear (9 replies)
  150. With a new Billet carrier, do I need O-rings (2 replies)
  151. OK, I've decided on..... (6 replies)
  152. Speed (6 replies)
  153. Xr 80 Help (0 replies)
  154. Should I get a higher rev box? (13 replies)
  155. Rockers (5 replies)
  156. new cfm airbox? (0 replies)
  157. Will a white bros header work with a t-4 silencer on a 300ex. (3 replies)
  158. Gas (2 replies)
  159. 250ex Mods??? (14 replies)
  160. How long to tear down and rebuild? (18 replies)
  161. 400 difficult start (2 replies)
  162. 400ex Crankcase Venting (30 replies)
  163. Homebrew Octane Boosters (10 replies)
  164. Do you think this will really work? (5 replies)
  165. Good Slip-On Exhaust shootout here! (12 replies)
  166. XR 400 side cover (44 replies)
  167. E-series discs I am a little confused (4 replies)
  168. OK, how about this one: "What motor kit do you guys reccommend?" (16 replies)
  169. carbs (3 replies)
  170. Paul Best?? (2 replies)
  171. TC 505 kit? (83 replies)
  172. wat is vented valve cover (5 replies)
  173. Vasoline In Your Gas For Octane??? (18 replies)
  174. anyone have a hmf full system? (0 replies)
  175. xr400 head gasket (2 replies)
  176. 250r heelllp (7 replies)
  177. Market for 400ex motors? (2 replies)
  178. cdi box (1 replies)
  179. 250EX rev box (6 replies)
  180. race gas (15 replies)
  181. thanks (3 replies)
  182. 250r transmission oil (12 replies)
  183. 440 ex big bore kit (7 replies)
  184. There's no stupid questions (2 replies)
  185. Aviation fuel ?'s (21 replies)
  186. how much oil do I add? (2 replies)
  187. 400 ex clutch set ups (5 replies)
  188. It's ALIVE!!!!!!!!!! (10 replies)
  189. 400ex carb (3 replies)
  190. 300ex Pipe Shootout (1 replies)
  191. DW-slip-on pipe Shootout!!! (3 replies)
  192. Dila jet (4 replies)
  193. What mod next? (3 replies)
  194. gearing (2 replies)
  195. oregonrider89~!!!!! (0 replies)
  196. 316.330.385 bore/stroker (0 replies)
  197. 295cc Kit (5 replies)
  198. Cams? (6 replies)
  199. White Bros. Pro-Meg (2 replies)
  200. chain stretch (3 replies)
  201. kinda stupod question buttt (4 replies)
  202. 416, 10.8-1 and hotcams jetting. Help before I shoot it. (9 replies)
  203. How to keep up with a Banshee? (54 replies)
  204. 250r (3 replies)
  205. 250X First Gear (9 replies)
  206. Need some help in the air (1 replies)
  207. 250r Ram Valve (1 replies)
  208. cheap hotcam on ebay (1 replies)
  209. This 440 is Banshee - FAST! (10 replies)
  210. four stroke tech oil cooler ???? (1 replies)
  211. what size jet (3 replies)
  212. ct racing (0 replies)
  213. running 162 main on stock engine???? (2 replies)
  214. Wow what a difference on the 400EX !!! (6 replies)
  215. fcr problem (6 replies)
  216. Hard welded rockers (10 replies)
  217. Bore kit for a 300 (1 replies)
  218. jetting problem? (3 replies)
  219. sprockets (8 replies)
  220. FCR pilot jet? (1 replies)
  221. Arrow On Top Of Piston (18 replies)
  222. Does anyone Know Jack ***** about a 39FCR Carb???????? (7 replies)
  223. sparks bolt on kit (4 replies)
  224. one more question (0 replies)
  225. What's the best gearing for 400 (2 replies)
  226. Sparks Ignition Advanced Key (9 replies)
  227. 250 r motor in a blaster frame (7 replies)
  228. taking 300ex motor out! (15 replies)
  229. Stock Engine Mods (3 replies)
  230. modified 400 ex (9 replies)
  231. 39 fcr accelerator pump (0 replies)
  232. Cam Chain? (2 replies)
  233. weak battery? (1 replies)
  234. k&n jet kit question? (1 replies)
  235. Tc web site (14 replies)
  236. What series pilot do I need? (10 replies)
  237. ? (4 replies)
  238. porting question (3 replies)
  239. 11:1 piston swap (7 replies)
  240. 300ex drop in webcam questions (4 replies)
  241. What kind of chain and sprokets (15 replies)
  242. jetting carb (5 replies)
  243. 250 stock main jet (5 replies)
  244. Are Curtis Sparks X-6's too loud? (7 replies)
  245. stock heat shield removed (2 replies)
  246. Are all Curtis Sparks motors strokers? (8 replies)
  247. e series info.. (6 replies)
  248. removing choke (1 replies)
  249. ADD a 250x starter to a 300...??? (4 replies)
  250. fcr owners please look, need help (9 replies)