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  1. Hydraulic clutch (1 replies)
  2. looney tuned (3 replies)
  3. leaded gas???? (5 replies)
  4. 300ex mods (22 replies)
  5. mods (1 replies)
  6. Pro circuit pipes (3 replies)
  7. Oil Pump... (1 replies)
  8. Oil problem (13 replies)
  9. Help! (0 replies)
  10. Exhaust ? (6 replies)
  11. Paul Turner. (0 replies)
  12. Jetting help.... (1 replies)
  13. Carb Diagram (1 replies)
  14. Valves!!!! (2 replies)
  15. power bomb ? (2 replies)
  16. piston and hotcams (2 replies)
  17. Plunger spring stuck!400ex,help! (2 replies)
  18. 450 big bore (11 replies)
  19. Plunger spring stuck! (0 replies)
  20. Plunger spring stuck (0 replies)
  21. timing key? (4 replies)
  22. hot-cam and pistons? (2 replies)
  23. HMF slip on or full exhaust? (9 replies)
  24. Quiet slip-on (14 replies)
  25. new mods on 400ex WOW!! (19 replies)
  26. Breaking in fresh motor/adding oil/idling? (16 replies)
  27. Spark areastor and quietness.. (0 replies)
  28. 1987 TRX250X Carb for sale (0 replies)
  29. Porting Head AND Intake Manifold? (1 replies)
  30. how many teeth stock 400 (4 replies)
  31. Jetting help please..... (6 replies)
  32. Carbs, mikuni, keihin. (10 replies)
  33. 416 headgasket (4 replies)
  34. 300 starting problems (3 replies)
  35. std. bore vs. 416 (7 replies)
  36. Is a 400ex carb TOO much for a 250? (2 replies)
  37. How does HMF slip on fit stock header AND powerbomb? (2 replies)
  38. 400ex starting issues (1 replies)
  39. Jet Kit for my Predator (9 replies)
  40. pipe recommendation (1 replies)
  41. URGENT jetting problems (15 replies)
  42. 2 stroke wont run (21 replies)
  43. another jetting question........for a 400ex (2 replies)
  44. problem starting and idling (1 replies)
  45. where to find oil (2 replies)
  46. 250r xc gearing (2 replies)
  47. Sprockets (6 replies)
  48. Stock Clutch Assembly (4 replies)
  49. setting the 400ex timing (2 replies)
  50. Should i get a new Bearing Carrier or not?? (4 replies)
  51. 400ex oil system help!!!! (29 replies)
  52. help with kill switch plz!!!!!!! (2 replies)
  53. spark plug color (1 replies)
  54. clutch problems... help (8 replies)
  55. 350X big bore?? (6 replies)
  56. key problems (11 replies)
  57. Where can you find WB cam and vavle stuff (6 replies)
  58. Feeler guage, slight drag, valve adjustment? (2 replies)
  59. Running with no silencer (9 replies)
  60. dead 300 (2 replies)
  61. valve adj. ? (0 replies)
  62. Lte Looney Tooned Exhaust (14 replies)
  63. Jetting In NJ (8 replies)
  64. TC Cam (0 replies)
  65. Clutch (2 replies)
  66. Valve Adjustment (2 replies)
  67. Ross (or any brand) Pistons and Cometic Gaskets (3 replies)
  68. Not Sure If This Is Under The Right Topic (2 replies)
  69. Gas leak when riding wheelie (36 replies)
  70. CRF450 Carb good deal or not (14 replies)
  71. replacing cam chain what do i do (13 replies)
  72. 405 TC RACING KIT for 300ex (6 replies)
  73. Uni- airfilter oil ? (8 replies)
  74. 400ex pipe (12 replies)
  75. help with kilswitch plz!!!!!!!! (5 replies)
  76. Need Aftermarket Blaster Parts (0 replies)
  77. need help fast (5 replies)
  78. blaster (0 replies)
  79. rancher es shifter kit (8 replies)
  80. 180 HP/379 Lbs (6 replies)
  81. Doug Eichner Edelbrock (4 replies)
  82. Whats a brand new powervalve top end go for these days? (0 replies)
  83. need help with the killswitch plz help (3 replies)
  84. anyone heard of mad man engineering?? (1 replies)
  85. For those of you with big bore kits (440) (10 replies)
  86. 440....reliable?? (2 replies)
  87. Is a 440 Any Better Than a 416 (16 replies)
  88. stage 2 hot cam (5 replies)
  89. which carb to get (1 replies)
  90. hotcam installation (12 replies)
  91. what is the best bang for the $ (26 replies)
  92. What pipe do you run? (36 replies)
  93. 250x or 300ex biult motors(anybody) (0 replies)
  94. ebay battery (1 replies)
  95. Did cobra make a..... (12 replies)
  96. 36mm lectron vrs. Stock (2 replies)
  97. Fuses (3 replies)
  98. MY Friend needs help (11 replies)
  99. 400ex gasket ?????? (6 replies)
  100. Do i have to re jet? (9 replies)
  101. 416 vs. 440??? (4 replies)
  102. best oil (25 replies)
  103. a-arm bushing (1 replies)
  104. HELP! 400ex motor (2 replies)
  105. Curtis Sparks Timing Advance Key (12 replies)
  106. gearing??? (2 replies)
  107. will anyhting happen if i...... (2 replies)
  108. 400ex carb on a 250x (6 replies)
  109. What other places can you buy bore kits? (2 replies)
  110. What bore? (1 replies)
  111. 300ex engine (0 replies)
  112. need aftermarket blaster parts (0 replies)
  113. cams... (1 replies)
  114. where to buy FCR 41mm kit (14 replies)
  115. yoshi vs hmf (4 replies)
  116. my choices... (9 replies)
  117. Suzuki LT80 20mm carb (8 replies)
  118. 300ex, 250x rev box same? (9 replies)
  119. best pipe for a cr 125 (2 replies)
  120. 400EX power adders (16 replies)
  121. tc, sparks, ct, hmf for my 440? (18 replies)
  122. NEED FAST! Aftermarket Impeller! (4 replies)
  123. Air Filters (12 replies)
  124. 250r lonestar locknut on a 400 (0 replies)
  125. How much power does K&N filter give? (23 replies)
  126. 16 Tooth Front Sprocket? (11 replies)
  127. anybody else have k&n problems (6 replies)
  128. new carb? need advice (1 replies)
  129. Smoke on starts (8 replies)
  130. 400EX engine rebuild: the most bang for the buck (18 replies)
  131. Question on a 400ex??? (1 replies)
  132. chain+sprokets (2 replies)
  133. Need Info on 440/460 bore kit form LRD (3 replies)
  134. oil filters (3 replies)
  135. Head Gasket Info.. (22 replies)
  136. Not the usual whining noise! (2 replies)
  137. how is Hetric Racing exhaust for 400ex? (7 replies)
  138. Web cam 479 stage 2???? (8 replies)
  139. Valves! (13 replies)
  140. thinking about getting a 416kit for my ex (2 replies)
  141. Where to get Port Work? (3 replies)
  142. Dyno Jet kits 400EX (26 replies)
  143. 400ex ticking (10 replies)
  144. changing a slip on??? (1 replies)
  145. Troubleshootin, help? (5 replies)
  146. 300EX need to be cooled! (5 replies)
  147. question about cutting an alba pipe?? (4 replies)
  148. 300ex problems.. wont run :( (6 replies)
  149. XR500R exhaust (0 replies)
  150. bent valve? (6 replies)
  151. Sparks headpipe &HMF slip on (0 replies)
  152. mickey dunlap gasket mod (42 replies)
  153. XStream Powerlids (7 replies)
  154. 400ex power (3 replies)
  155. trx 90 teather kill (1 replies)
  156. question need help (0 replies)
  157. what u guys think??? (0 replies)
  158. need help, motor problems (6 replies)
  159. trail tech wiring (4 replies)
  160. i gotta ? 4 u motor guys (3 replies)
  161. Whats Wrong???? (4 replies)
  162. 400EX pipe (5 replies)
  163. ** Good Pipe? ** (1 replies)
  164. Whats this noise? (27 replies)
  165. engine kits (2 replies)
  166. im in big trouble (1 replies)
  167. i got a miss in my motor how to go about fixing it? (3 replies)
  168. sell procircuit and buy hmf (13 replies)
  169. vibration (1 replies)
  170. 400 stroker? (7 replies)
  171. Blaster oil mix problem.. (3 replies)
  172. How hard to jet for HMF slip-on pipe? (3 replies)
  173. Burgard Bearing Carrier (4 replies)
  174. 300ex engine (9 replies)
  175. Yoshimura Pro Series? (0 replies)
  176. Anyone know of any good machine shops? (3 replies)
  177. Need help doing wheelies (3 replies)
  178. Preignition??? (0 replies)
  179. pilot jet length (4 replies)
  180. main jet falling out (9 replies)
  181. Pro Design Quality is *** (12 replies)
  182. 600ex...? (7 replies)
  183. can i weld it? (2 replies)
  184. Stock compression with a 416 kit (2 replies)
  185. problem with loose brake caliper holder (0 replies)
  186. port work (1 replies)
  187. Pro ex 416 kit (0 replies)
  188. honda elite question (5 replies)
  189. hotcam (20 replies)
  190. got a problem need a TRUE answer (19 replies)
  191. jetting a warrior carb need help (0 replies)
  192. need help. eldabrook carb (0 replies)
  193. chaines (7 replies)
  194. What bore do yo urecommend? (1 replies)
  195. What Carb To Run On A 440? (8 replies)
  196. Should I get a new piston? (3 replies)
  197. Re-jetting (1 replies)
  198. Oil leak (1 replies)
  199. what does a "boost bottle" do? (9 replies)
  200. anyone run lectrons or fcr 40mm's??? (9 replies)
  201. I think I had the slowest 400ex every made!!!! (3 replies)
  202. Sparks Timing Key (1 replies)
  203. 416 with 36mm carb (2 replies)
  204. Help on 416 kits (1 replies)
  205. Who needs a clutch anyways..? (36 replies)
  206. only starts in neutral (7 replies)
  207. electrical help (7 replies)
  208. Kickstart (2 replies)
  209. cant get chain bac on!!!! (5 replies)
  210. Spark plug wire (1 replies)
  211. Frustrated!!!!! (1 replies)
  212. I denff. have problems ( jetting) (6 replies)
  213. Do I need to Run Race Gas? (4 replies)
  214. 300ex leaking oil bad..help! (6 replies)
  215. 250x valve clearance question (2 replies)
  216. Sparks X-6, good or no? (10 replies)
  217. need a clutch fer the z.. barnett or what?? (1 replies)
  218. Charging System (5 replies)
  219. Wheres teh cheapest place to find a 440 kit? (1 replies)
  220. throttle assembly in carb not reach the idle screw (7 replies)
  221. Found an old dirt wheels yesterday! (1 replies)
  222. Best 250r MX setup (1 replies)
  223. HMF slip on for newbee? (1 replies)
  224. 300ex power and eccel. (1 replies)
  225. Silver Lake Sand Dunes (1 replies)
  226. 426EX Not Running Right (23 replies)
  227. 300ex knocking noise (2 replies)
  228. type of cdi box???? (3 replies)
  229. Has Anyone Ever Tried a Tornado (15 replies)
  230. Wiseco Piston Kit (3 replies)
  231. 400ex carb and K&N jet kit (4 replies)
  232. head work (0 replies)
  233. 250 Ex Cdi (2 replies)
  234. Top end cooler? (4 replies)
  235. semi auto clutch ajustment? (4 replies)
  236. full system or not (0 replies)
  237. jetting problems (5 replies)
  238. last quick question (2 replies)
  239. soory BUT can someone help us AGAIN!!! (10 replies)
  240. Blaster Mods?? (7 replies)
  241. Confetti vs. sheet/woven packing? FMF (1 replies)
  242. oil capacity (6 replies)
  243. Clutch is slipping (6 replies)
  244. Where is this noise coming from? (26 replies)
  245. taking rockers offof valve cover (4 replies)
  246. 250r vs 400ex racing (82 replies)
  247. white bros e-series (21 replies)
  248. 416 w/ FCR 39mm carb - what main jet (12 replies)
  249. Muffler repacking? (6 replies)
  250. quite core for x-6 (4 replies)