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  1. raptor jet kit on 400ex (6 replies)
  2. Clutch adjustment (3 replies)
  3. gearing (3 replies)
  4. 12/36 gearing for a 300ex (6 replies)
  5. can you go from 13.5:1 to 11:1? (4 replies)
  6. White Bros. Power Pro....is it worth it???? (1 replies)
  7. White Bros. Power Pro...worth it????? (0 replies)
  8. 2006 400 ex won't idle (11 replies)
  9. What piston to use? (2 replies)
  10. resleeve (9 replies)
  11. FYI quick tip on Z400 exhaust installation (7 replies)
  12. putin oil injector block off (0 replies)
  13. problems installing my 300ex axle (6 replies)
  14. rebuild or not (3 replies)
  15. best piston/ cam combo for 400ex (4 replies)
  16. quick question. (1 replies)
  17. How could I deactivate the neutral safety switch? (2 replies)
  18. Deactivate neutral safety switch (0 replies)
  19. poll (8 replies)
  20. Outerwears Air Box Cover? (4 replies)
  21. some clutch questions (1 replies)
  22. too rich/too lean??? jetting problems: (5 replies)
  23. 03 polaris 50 (1 replies)
  24. TPS , Advance on 450r and Turbo. (3 replies)
  25. jetting (4 replies)
  26. 06 wolverine 350 valve adj. (0 replies)
  27. 300 ex head torque specs (2 replies)
  28. AC Racing Exhaust System (17 replies)
  29. Did not expect this from N motion (4 replies)
  30. 250r big bore cylinder how to questions (4 replies)
  31. accelerator pump ???? (5 replies)
  32. new head (1 replies)
  33. newbie ? (3 replies)
  34. Jetting 450r 2007 (1 replies)
  35. Im missing sum teeth (13 replies)
  36. 400ex Complete Rebuild (6 replies)
  37. CRF450r motor 450r motor or CRF 450x motor??? (2 replies)
  38. pipe ? (3 replies)
  39. 400ex timing key (10 replies)
  40. cylinder boring??? (2 replies)
  41. DASA big bore (7 replies)
  42. kickstarter (1 replies)
  43. Transmission problems 400ex (1 replies)
  44. bore over on a already modded 400ex (10 replies)
  45. Is Four Stroke Tech Still in Business??? (11 replies)
  46. throttles!! (19 replies)
  47. 98 300ex Helllllllpppppppppp Please ! (10 replies)
  48. carb (3 replies)
  49. 400ex oil problems (4 replies)
  50. lt250r engine rebuild (1 replies)
  51. to buy new or old stage 2 hotcam (9 replies)
  52. No Spark??? (1 replies)
  53. chain problem (12 replies)
  54. Lifan engines? (1 replies)
  55. Starter removal - 1999 Polaris Trailblazer (0 replies)
  56. clutch cable (5 replies)
  57. Quick question! (3 replies)
  58. Carb Q's (5 replies)
  59. head question (0 replies)
  60. how much am i looking at? (2 replies)
  61. Cranking Compression on 85 LT250R quadracer? (0 replies)
  62. price on engine upgrades (3 replies)
  63. To buy or not Buy a 450r? (13 replies)
  64. Free Banshee Mods (16 replies)
  65. oil cooler out of a tranny cooler (7 replies)
  66. engine mods (1 replies)
  67. rebulid (7 replies)
  68. Lack of power 05 LTZ 250 (18 replies)
  69. scatterd motor (8 replies)
  70. 400ex carb on a rancher? (0 replies)
  71. exhaust question (5 replies)
  72. oil (10 replies)
  73. HELP: Starting TTR125 In Cold Weather (3 replies)
  74. please help!!! 450r clutchs (3 replies)
  75. trx450r clutch install (2 replies)
  76. tc shorty (8 replies)
  77. Help in starting Honda 450 (4 replies)
  78. DG xxcelorater (0 replies)
  79. 93 Kawasaki Bayou, No Spark (2 replies)
  80. 400ex carb (5 replies)
  81. hot cams (1 replies)
  82. 250 ex axle (0 replies)
  83. Anybody use KG clutch components? (5 replies)
  84. Can someone explain the difference in the carbs. (6 replies)
  85. Engine life and jets (2 replies)
  86. 400ex wont start. HELP (6 replies)
  87. Decible adjustment w/ disk four-stroke pipe (2 replies)
  88. 1987 Honda TRX350D 4x4 Top-End Noise (3 replies)
  89. New Battery Dead Already??? (13 replies)
  90. spark arrester???? (0 replies)
  91. Exhaust help!!!!! (3 replies)
  92. 250x slipon (0 replies)
  93. 250r arms on 400ex (3 replies)
  94. hot cams (3 replies)
  95. 400ex rebuild (2 replies)
  96. Aftermarket head pipe question (1 replies)
  97. whats it worth??? (0 replies)
  98. penny in gears (8 replies)
  99. oil shut off? (1 replies)
  100. How to tell what part needs jetted? (8 replies)
  101. what is an accelerator pump? (4 replies)
  102. White Bros. E-series Exhaust (7 replies)
  103. pops when i back off (3 replies)
  104. stupid yamaha! (3 replies)
  105. First 1/4 throttle cutout (11 replies)
  106. need help fast...no spark (22 replies)
  107. will not start (2 replies)
  108. manual utility?? (15 replies)
  109. broken slack adjuster on 400 ex (2 replies)
  110. more power- CR250 or CRF450? (5 replies)
  111. z400 which stage cam with 11:1 (3 replies)
  112. Motocross Airbox (5 replies)
  113. Big Bore Kit for YFZ 450 (2 replies)
  114. It needs to be faster,HELP! (9 replies)
  115. YZF450 dies (2 replies)
  116. What mods are needed to put 450r carb on 400ex (2 replies)
  117. Shims for adjusting vavles??? (6 replies)
  118. 450r jetting question (6 replies)
  119. Piston with detonation damage.... (5 replies)
  120. 300ex clutch help (3 replies)
  121. Gains from flywheel? (6 replies)
  122. Edelbrock Carbs for 400ex? (7 replies)
  123. 300ex mods i should buy (3 replies)
  124. how do u fix a lean jet? (7 replies)
  125. To mill or not to mill (3 replies)
  126. timing chain (2 replies)
  127. RM250 tips (12 replies)
  128. Running Rich (4 replies)
  129. Performance tips (TRX 450r) (17 replies)
  130. Jetting Suggestions (6 replies)
  131. re-polishing chrome? (8 replies)
  132. what octane to run w/ 11:1 piston? (9 replies)
  133. air box cover (3 replies)
  134. 300ex jetting (10 replies)
  135. 300ex hard start maybe new rev box? (2 replies)
  136. new carb (4 replies)
  137. Heating swingarm bolt (5 replies)
  138. Dropped Valve? (2 replies)
  139. procircuit T4 vs curtis sparks? (9 replies)
  140. Removing the Advanced timing, should I? (6 replies)
  141. jetting problems (8 replies)
  142. banshee vin decoding (1 replies)
  143. 300ex needs complete new top end. Options? (12 replies)
  144. Help With Jetting Please (0 replies)
  145. Namura Pistons? (2 replies)
  146. 400EX 440 Connecting Rod (1 replies)
  147. curtis sparks x-4 (6 replies)
  148. Help float bowls loading up with gas 39MM FCR CARB (5 replies)
  149. cams= less realiable? (6 replies)
  150. banshee probelms (8 replies)
  151. which clutch spring? (1 replies)
  152. Jet Needle Settings (6 replies)
  153. gear ratio (3 replies)
  154. how much to rebuild an engine (3 replies)
  155. 300ex issue? (3 replies)
  156. how do u take the carburetor off (2 replies)
  157. Re: (0 replies)
  158. 250x timeing (0 replies)
  159. 06 trx450r jetting?w/full exhaust system. (4 replies)
  160. 400ex head bolt problems (2 replies)
  161. Not to start a fight....K&N over others (14 replies)
  162. 400ex porting (1 replies)
  163. gas tank stuff (2 replies)
  164. left my quad in the rain (3 replies)
  165. 400ex- lots of qustions (18 replies)
  166. price range on a top-notch port/polish??? (1 replies)
  167. topend rebuild (12 replies)
  168. adjusting cam chain on Big bear 400 (1 replies)
  169. 400ex cdi questions (3 replies)
  170. brand new sparks exhaust...rusting? (7 replies)
  171. Help with Cam problem!!!!!! (2 replies)
  172. Honda TRX250R Help (5 replies)
  173. Rev limiter (1 replies)
  174. Caliper Repair Kit? (0 replies)
  175. bent brake rotor (3 replies)
  176. bent brake rotor (2 replies)
  177. help with valve clearance stg.2 (3 replies)
  178. Blowin fuses..advice on tracing the prob????? (4 replies)
  179. 426 piston, were to get? (4 replies)
  180. Banshee exhaust on a blaster? (2 replies)
  181. Twin row bearing numbers (2 replies)
  182. 300ex engine mess up (4 replies)
  183. 250R rebuild (8 replies)
  184. best 400ex slipon? (16 replies)
  185. valve springs? (2 replies)
  186. exhaust leaks (22 replies)
  187. 99 banshee carb problems (1 replies)
  188. 2007 Honda 450R FCR needle jet (1 replies)
  189. motor questions (9 replies)
  190. splitting 450r cases, problem with shift drum bolt (2 replies)
  191. Sparks pipe (3 replies)
  192. Break in suggestions.. (3 replies)
  193. Sluggish Raptor (21 replies)
  194. How long shold i break the 440 in for? (11 replies)
  195. what oil to use (4 replies)
  196. crank install (3 replies)
  197. DBike Won't Start (7 replies)
  198. fox r3 roost deflector adjusting helpplease!! (1 replies)
  199. port and polish worth it??? (9 replies)
  200. high octane gas (3 replies)
  201. trx300ex help (2 replies)
  202. how can I tell if my crank is bad? (3 replies)
  203. power (3 replies)
  204. (newb) How do i jet this the RIGHT way? (4 replies)
  205. how? (8 replies)
  206. spark arrestor (1 replies)
  207. Cam Mod? (12 replies)
  208. carb question (4 replies)
  209. how do i tell if im getting spark? (4 replies)
  210. Oil fill line (3 replies)
  211. Sprocket questions (9 replies)
  212. Tips for getting headpipe back on? (3 replies)
  213. ? (3 replies)
  214. rod end play!! who knows? (4 replies)
  215. Help!!!! (5 replies)
  216. z 400 questions...... (3 replies)
  217. Swing arm bolt broke? (1 replies)
  218. Yoshi RS3 (3 replies)
  219. Pros and Cons 440 or 425 Big Bore Kit (1 replies)
  220. HMF black chrome pipe (17 replies)
  221. stock 450r (1 replies)
  222. 07 450er New exhaust question (6 replies)
  223. swapping carbs- how will jetting be affected? (0 replies)
  224. Broken Mainshaft or Counter Shaft??? How bad is it? (7 replies)
  225. 2006-2007 YFZ Hmf Exhasut (18 replies)
  226. cdi question? (3 replies)
  227. cdi question? (9 replies)
  228. HELP 450R carb on 440 jetting questions (4 replies)
  229. New exhaust question (7 replies)
  230. KFX 416 bore kit (4 replies)
  231. jetting a 440ex (4 replies)
  232. max power-ice cube cylinders (3 replies)
  233. Servicing muffler (0 replies)
  234. 06 400ex clutches (1 replies)
  235. hmf sport series (8 replies)
  236. nut seized to threads on intake manifold bolt's threads- HELP!!!! (5 replies)
  237. Questions (4 replies)
  238. 400ex cluch slipping (12 replies)
  239. fly wheel pros and cons (1 replies)
  240. where to buy 250ex cams and high comp. piston (2 replies)
  241. 426 vs. 440 (15 replies)
  242. Jetting the 440 on race gas? (0 replies)
  243. 440 compression difference (8 replies)
  244. Jets too big??? (0 replies)
  245. cam 2 ? (5 replies)
  246. sprocket (2 replies)
  247. quick jetting question (1 replies)
  248. rod install (1 replies)
  249. Best mod for speed (6 replies)
  250. black motor (10 replies)