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  1. HMF Spark Arrestor? (6 replies)
  2. 416 Oil Leak question (2 replies)
  3. Lonestar Bearing Carrier - Chain Loose again? (1 replies)
  4. HMF Pipes any good? (6 replies)
  5. Banshee question (4 replies)
  6. valves (7 replies)
  7. 87' Honda 250x starting problems (2 replies)
  8. FST 330 kit (3 replies)
  9. ur 300's fly with 14's? (10 replies)
  10. air lid choice (2 replies)
  11. Hybrid question (7 replies)
  12. Four Stroke Tech 500ex (4 replies)
  13. EBC clutch (8 replies)
  14. how is this plug (9 replies)
  15. 300EX motor bogging -- seems heat related -- general motor advice? (16 replies)
  16. how much (2 replies)
  17. Interchangeable Parts (2 replies)
  18. new exhaust (10 replies)
  19. chain sizes (3 replies)
  20. 400ex ripping again (or was) (0 replies)
  21. Gearing (2 replies)
  22. best chain (9 replies)
  23. Broken Fin (5 replies)
  24. quiet core (1 replies)
  25. Oil Cooler (1 replies)
  26. chain roller.....GONE (3 replies)
  27. Big Bore (1 replies)
  28. YFZ 450 with Dual exhaust (15 replies)
  29. Problems (13 replies)
  30. Any Yamaha Mechanics (0 replies)
  31. I need help from the Pros - Vid attached (6 replies)
  32. Filter Change? (3 replies)
  33. my 300ex smokes when revved (6 replies)
  34. 416 Start Problems (8 replies)
  35. Proper way to oil the air filter? (3 replies)
  36. oiled plug (4 replies)
  37. chain wear.. (5 replies)
  38. Rear sproket and chain problem?? (3 replies)
  39. 350x (2 replies)
  40. Getting more power out of stock 400ex exhaust? Remove baffle? (2 replies)
  41. Built 300ex gearing question (5 replies)
  42. Draining the carb (2 replies)
  43. 400ex Exhaust (9 replies)
  44. Warrior Tranny Problem Help!!!! (3 replies)
  45. 300ex stock rear sprocket size?? (2 replies)
  46. Just a few questions... (4 replies)
  47. y piston (3 replies)
  48. i need a new chain (5 replies)
  49. WB pipe..how do i add the discs??? (4 replies)
  50. Best Full Exhaust System (29 replies)
  51. axle locknut. please help (4 replies)
  52. 300ex power ups (0 replies)
  53. Web 479 cam question (1 replies)
  54. Value of a Lectron Carb? (5 replies)
  55. 416 shutting down (12 replies)
  56. '05 Honda 250EX starter won't work (10 replies)
  57. Chain Problems (0 replies)
  58. Battery help (18 replies)
  59. Is A Cam Upgrade Worth It? (8 replies)
  60. FCR Website?? (6 replies)
  61. Finally got my MSD Back! (14 replies)
  62. Baldwin Motorsports MX camshaft? (9 replies)
  63. ATV Stand (22 replies)
  64. very disapointed.... (21 replies)
  65. Jetting?300ex With Big Gun Slip (2 replies)
  66. Cam 2 (5 replies)
  67. starter rpms (9 replies)
  68. Timing (8 replies)
  69. 400ex/300ex front sprocket?? (4 replies)
  70. 350x (1 replies)
  71. fly wheel???? (3 replies)
  72. stock speed (8 replies)
  73. some jettin questions (6 replies)
  74. 300 carb on a 250 (0 replies)
  75. spitting out oil? (5 replies)
  76. 87.5 mm piston + 400ex = ? (5 replies)
  77. Oil (3 replies)
  78. good chain (5 replies)
  79. Jettin Help !!PLEASE!! (10 replies)
  80. Bigger Main Jet? (18 replies)
  81. Tecate Problems: Clutches? Motor? Porting???? (1 replies)
  82. Best carb for a 440ex (11 replies)
  83. Clutch Problems (2 replies)
  84. size of my carb (5 replies)
  85. 300 ex ticking (4 replies)
  86. High comp piston? (11 replies)
  87. 450r carb on 300ex (3 replies)
  88. 400EX Clutch Problems (4 replies)
  89. Timing chain (1 replies)
  90. z400 high comp piston cam ? (0 replies)
  91. Jet Kit! (4 replies)
  92. bogging over bumps (7 replies)
  93. Clutch Bad? Clutch Going Bad? Need some help (27 replies)
  94. Dont no where to put this? (8 replies)
  95. 426 ques? (1 replies)
  96. Carbon Fiber Air box (20 replies)
  97. speed of this quad (32 replies)
  98. rear sprocket for 300ex (7 replies)
  99. rebuild timing/stroke/flywheel? , please help! (9 replies)
  100. Kerosene in my gas tank (2 replies)
  101. Valve lash for TC 924 National MX Cam (2 replies)
  102. edelbrock elevations changes???? (3 replies)
  103. 300ex pipe problems (3 replies)
  104. Timing (3 replies)
  105. ?????? (6 replies)
  106. stronger cam chain (8 replies)
  107. my own reverse mod. (1 replies)
  108. AHH i cant take it (15 replies)
  109. how to remove carbon build up?? (6 replies)
  110. Web 450/451 vs. 479 (3 replies)
  111. xr400 sidecase on a 400ex (2 replies)
  112. Clutch Switch (3 replies)
  113. Gas leaking out of bottom of carb (11 replies)
  114. The K&N Xstream Powerlid (2 replies)
  115. 660ex? (16 replies)
  116. 300ex dies if choke is off (2 replies)
  117. Timing chain (3 replies)
  118. need help! 400ex midrange cutting out (7 replies)
  119. Help Please (4 replies)
  120. can i get a tc pip for my 300 (5 replies)
  121. what do i need to do with the hotstart cable? (3 replies)
  122. Sparks X-4 replacement end cap (1 replies)
  123. need help wiring (1 replies)
  124. 400ex stock header modification (5 replies)
  125. can you over-bore a 440 (4 replies)
  126. Clutch Quick question (4 replies)
  127. Painting engine cases?? (2 replies)
  128. 400 valve gap? (6 replies)
  129. 400ex Timing chain? (5 replies)
  130. Axle and Carrier (0 replies)
  131. plug checks on a jack? (3 replies)
  132. Extra oil cooler.....i've already done a search, don't worry! (47 replies)
  133. 300ex to 400ex (1 replies)
  134. help anyone who replaced a carrier b4 (3 replies)
  135. weird electrical issue (4 replies)
  136. big bore kit question (3 replies)
  137. Oil Line (0 replies)
  138. 300ex top end specs (4 replies)
  139. rebuild cam? (4 replies)
  140. Cant get it to rev (4 replies)
  141. Who got Gas (20 replies)
  142. HMF Carbon Fiber Bill Balance Pro Series (7 replies)
  143. High Compression (5 replies)
  144. tc racing exhaust (6 replies)
  145. Curtis Sparks Shorty?? (8 replies)
  146. exhaust (20 replies)
  147. Can we admit it? (79 replies)
  148. 05 YZ85 or 04 EX400 (7 replies)
  149. Will It Work!! (10 replies)
  150. K&N air filter installation (1 replies)
  151. Eichner carb for 426 (6 replies)
  152. Breaking in your new 4wheeler?? Read here!! (29 replies)
  153. Dcpr7e (1 replies)
  154. Pc4000 (6 replies)
  155. My engine is ****ed (15 replies)
  156. engine problem (10 replies)
  157. Sparks cam (1 replies)
  158. 400ex motor kits? (3 replies)
  159. DID Cam Chain (11 replies)
  160. Help Please Help (0 replies)
  161. 300ex gearing? (13 replies)
  162. fuel mixture screw (0 replies)
  163. outerwears airbox cover (6 replies)
  164. newbie jetted my 300 ex :) (0 replies)
  165. washable oil filters (2 replies)
  166. UNI filter (21 replies)
  167. how hot can oil get??? (41 replies)
  168. Best and wildest low end cam for built 300 (4 replies)
  169. cant find it (0 replies)
  170. 250 EX Pilot jet ? (22 replies)
  171. Possible Spark Knock? (7 replies)
  172. Clutch (4 replies)
  173. sparks header (3 replies)
  174. big gun revbox (4 replies)
  175. Is the EX and XR motor the same size? (7 replies)
  176. Magura slave cylinder (3 replies)
  177. next mod (5 replies)
  178. je piston ring gap (1 replies)
  179. 2005 400ex question (8 replies)
  180. Quick Question (3 replies)
  181. how to get jet out main jet on 300 ex (3 replies)
  182. 250r motor in a 300ex (4 replies)
  183. Just pick one (11 replies)
  184. what pipe? (10 replies)
  185. ESPN wants to know (2 replies)
  186. What header with HMF Slip On (4 replies)
  187. rekluse auto clutch (6 replies)
  188. hmf slip on jetting (1 replies)
  189. Most Torque Gain exhaust (5 replies)
  190. hub and axle splines r stripped help (4 replies)
  191. a few jetting questions (9 replies)
  192. is this the right flywheel/stator puller (1 replies)
  193. Piston? (18 replies)
  194. Jets for an FCR Carb? (6 replies)
  195. Which one: LRD or Dubach exhaust? (3 replies)
  196. Shorty Exhaust for 450R (3 replies)
  197. hmf slip on jetting (3 replies)
  198. Which way ? (0 replies)
  199. air/fuel mix screw (2 replies)
  200. HONDA 1985 three wheeler (3 replies)
  201. This is why you use anti-seize (11 replies)
  202. Hp (5 replies)
  203. How much power? (5 replies)
  204. Pipes came! (11 replies)
  205. which pipe do you all prefur (11 replies)
  206. Big Gun EVO X (0 replies)
  207. Gas? (2 replies)
  208. Big Gun (2 replies)
  209. Drowning out (2 replies)
  210. Good CDI (12 replies)
  211. electrical problem again NOW WHAT?? (2 replies)
  212. 400ex Rev Box/CDI Box (13 replies)
  213. help!? (5 replies)
  214. Free Mods? (33 replies)
  215. would this carb work? (1 replies)
  216. No fuel on top end (9 replies)
  217. Suzuki 230 quadsport engine rebuild (6 replies)
  218. coolant (3 replies)
  219. Where to get TC (1 replies)
  220. stage 1 or 2? (4 replies)
  221. Motor in time? (8 replies)
  222. 400ex Jetting PLEASE READ (10 replies)
  223. need help with an aftermarket carrier install (7 replies)
  224. turbo? (6 replies)
  225. Air filter oil ? (0 replies)
  226. aveator (12 replies)
  227. jet kit question? (2 replies)
  228. Oil Tank problems (4 replies)
  229. Hetricks Exhaust (15 replies)
  230. Hotcams NEW stage 2... (2 replies)
  231. piston kits (6 replies)
  232. Yoshi Comp or HMF (10 replies)
  233. Real easy pipe question (38 replies)
  234. start up after long sit?? (9 replies)
  235. jetting i know not another jetting ? but (4 replies)
  236. What size jets (6 replies)
  237. Whats First Exhaust or Head Job (15 replies)
  238. Spark Plug (3 replies)
  239. 146 main is STILL too rich? (17 replies)
  240. idle problem (8 replies)
  241. 400ex carb on 300ex? (4 replies)
  242. 300ex starting problems (6 replies)
  243. Anyone run this set up??? (3 replies)
  244. EHS racing lid (5 replies)
  245. motor question (4 replies)
  246. Bearing Carrier (7 replies)
  247. octane boost...yes or no? (25 replies)
  248. Engine Upgrades (6 replies)
  249. hmf jetting (4 replies)
  250. G-force Crap (66 replies)