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  1. chain break/chain (0 replies)
  2. rebuilt 400 ex wont start (7 replies)
  3. stage 3 amr coil (5 replies)
  4. Head pipe Wrap (1 replies)
  5. TORCO RACE FUEL vs VP (7 replies)
  6. 400ex wont start... (15 replies)
  7. 300 ex problem (10 replies)
  8. What type of hone? (3 replies)
  9. necessary to replace crank??? (14 replies)
  10. simple 300 ex upgrade questions (7 replies)
  11. Rekluse (4 replies)
  12. Do all the 400ex's from 99-2008 have the same stock jets? (38 replies)
  13. Has this happened to you? (7 replies)
  14. Idles EXTREMELY HIGH (not pilot or throttle stop screw..I think) (5 replies)
  15. 03 Polairs Sportsman 400, Wont run after it warms up (PLZ HELP) (4 replies)
  16. Which way do the Clutch Discs go in? (3 replies)
  17. 300ex throttle hesitation (3 replies)
  18. 450 plastic on a 400 (1 replies)
  19. 300ex chain-1997 (3 replies)
  20. backfire (3 replies)
  21. how do u get rust off a bare finish pipe? (5 replies)
  22. please help. 400ex carb leaking (8 replies)
  23. 03 preddy exhaust fit a 06 preddy? (1 replies)
  24. what would cause a glowing header (5 replies)
  25. Loose clutch lever (1 replies)
  26. Valve specs? (2 replies)
  27. 300ex setup for the sand? (0 replies)
  28. Spark plug wires (1 replies)
  29. Klf 300 Cam Timing (0 replies)
  30. mojave clutch question (2 replies)
  31. trx250r just quit??????? (3 replies)
  32. 2004ish honda foreman se problems (2 replies)
  33. checking oil in tank on an ltr450 (0 replies)
  34. They Claim 35+ HorsePower ??? (14 replies)
  35. 2007 400EX Smoking no more than 35 hours (19 replies)
  36. 300ex can't throttle out ( governs in waves ) (4 replies)
  37. Cam Tweaking (2 replies)
  38. Only Start If Towed.'08 Ltr450 (2 replies)
  39. Foreman has NO POWER! (1 replies)
  40. 300ex (2 replies)
  41. 300ex problems (6 replies)
  42. Splitting cases... (0 replies)
  43. 400ex (1 replies)
  44. trx250r just quit (4 replies)
  45. Sep. quad of the month (3 replies)
  46. What axles use flanged mating surfaces? (2 replies)
  47. Removing the Rocker Arm dowel pins on 300ex? (0 replies)
  48. Compression vs. Cylinder Bore? (12 replies)
  49. scrambler 400 4x4 (0 replies)
  50. Replacement parts ????? (5 replies)
  51. kibblewhite valves (0 replies)
  52. ltr problem (5 replies)
  53. anybody got an idea (2 replies)
  54. 07 680 rincon problem (2 replies)
  55. chain problems on 300ex (2 replies)
  56. Rear Bearings (2 replies)
  57. Shifting problem solved! (0 replies)
  58. cfm intake on ebay (0 replies)
  59. yz250 kicker... (0 replies)
  60. 4 speed transmission yz crf (0 replies)
  61. trx250x problem.... (4 replies)
  62. putting reverse in an 02 400 ex (0 replies)
  63. lt 80 backfire (0 replies)
  64. intake valves wearing into head (1 replies)
  65. Fcr Carb Ticking? (2 replies)
  66. parts interchangeable on 300ex? (5 replies)
  67. 01 300ex 2 issues (2 replies)
  68. Hinson Clutch basket (11 replies)
  69. Rincon 680 Transmission (12 replies)
  70. 2001 Polaris Magnum 500 Cooling Problem? (0 replies)
  71. Cleaning carb on Z400 (2 replies)
  72. EHS Airbox Lid (1 replies)
  73. drainging fuel tank on kawasaki 450kfx (2 replies)
  74. TPS sensor on ltr45o (1 replies)
  75. valve lash (1 replies)
  76. How much could i get for a 88 LT250R motor? (0 replies)
  77. The Bigest Baddest (2 replies)
  78. Suzuki Z400 wont Idle (2 replies)
  79. engine noise (1 replies)
  80. 300ex head removal (1 replies)
  81. Flatside On A Yfz??? (4 replies)
  82. compression? (4 replies)
  83. 2004 Yah Big Bear Help!! (0 replies)
  84. The big 4 and MX - another article (1 replies)
  85. CRD pipe (0 replies)
  86. Full exhaust (2 replies)
  87. Rebuilding 400ex due to oil burning. MODS? (7 replies)
  88. Need Clutch Nut!!! (0 replies)
  89. How to change spocket flanges on camshafts (1 replies)
  90. 400ex to a 416 QUESTIONS (4 replies)
  91. displacement and racing - an article (10 replies)
  92. camshaft rebuild (1 replies)
  93. 400ex hotcams help (2 replies)
  94. yzf450 carb help!! (0 replies)
  95. 400ex engine (0 replies)
  96. 450r engine noise (2 replies)
  97. stock cams, hotcams, or webcams (0 replies)
  98. not running right. (1 replies)
  99. Need Help Fast !!! (3 replies)
  100. 300ex need help (2 replies)
  101. 1987 250x problems.... (2 replies)
  102. Looking for 400ex motor (6 replies)
  103. CHAIN LUBE that doesnt gunk up?? (12 replies)
  104. 400ex Motor Swap For Reverse? (17 replies)
  105. Looking Build my 400ex (4 replies)
  106. how to reduce the dB (2 replies)
  107. Please help...need advice on 400ex tranny! (0 replies)
  108. What to do with this hub PIC (0 replies)
  109. 13T Front Sprocket ??? (1 replies)
  110. 300ex sleeve (1 replies)
  111. leaky carb (1 replies)
  112. ohm help (1 replies)
  113. Quick 400ex carb question (1 replies)
  114. Plated Cylinders? (15 replies)
  115. 1999 300ex electrical problem (0 replies)
  116. 400ex exhaust question (1 replies)
  117. new clutch perch/lever (1 replies)
  118. Cold weather jetting?? (10 replies)
  119. 300 EX help (9 replies)
  120. ATV wont start - Dirty Carb?? (5 replies)
  121. question (3 replies)
  122. 300ex (13 replies)
  123. tcs triple rates for ltr (2 replies)
  124. 86 4-zinger keeps flooding (3 replies)
  125. Pre filter (6 replies)
  126. cheap upgrades (3 replies)
  127. max power rpm (0 replies)
  128. blaster (5 replies)
  129. ltr startin hard, and slow (1 replies)
  130. 2008 Honda 450r waterpump (2 replies)
  131. (sLoW)--KFX450R (32 replies)
  132. blaster rebuild (6 replies)
  133. can bad reeds cause low compresion (3 replies)
  134. KTM525XC motor trouble (14 replies)
  135. 2001 kx250 (10 replies)
  136. ltr 450 cams? (1 replies)
  137. 800 polaris sportsman no electrical (2 replies)
  138. honda foreman problem (3 replies)
  139. ltz400 VS Raptor660 (3 replies)
  140. 02 400ex electrical problem...... (4 replies)
  141. '96 wolverine trouble (2 replies)
  142. jetting question on a 650 hybrid (5 replies)
  143. straight pipe atv (134 replies)
  144. 400ex exhaust! (1 replies)
  145. Where to get WR kit for '04 YFZ (1 replies)
  146. push/pull thumb throttle? (4 replies)
  147. MX gearing for a banshee (3 replies)
  148. Chain Types??? (8 replies)
  149. 02 400ex rear axle (6 replies)
  150. Watch my youtube video...Is something wrong (9 replies)
  151. raptor 660 running like crap (5 replies)
  152. 250ex hard idle, popping. (1 replies)
  153. 300ex vs 350 worrior (5 replies)
  154. should i rebiuld or get new quad (16 replies)
  155. hst pipe issues (1 replies)
  156. 2003 Sportsman 600 shift shaft (0 replies)
  157. polaris sportsman 700 (0 replies)
  158. white smoke from pipe?? (4 replies)
  159. bore? (0 replies)
  160. Hi to all (1 replies)
  161. Biggest Bore? (3 replies)
  162. strokeing trx250x? (3 replies)
  163. Need blaster crank info (8 replies)
  164. Air/Fuel mixture screw spinning out while motors running. (2 replies)
  165. increasing idle (0 replies)
  166. 2004 honda 450r kicks over but wont start (0 replies)
  167. 400ex connecting rod removal (6 replies)
  168. 2005 400ex engin prob (7 replies)
  169. Looking for info on dragging (1 replies)
  170. Polaris Phoenix 200 (0 replies)
  171. 400ex motoworks pipe setup?!?!? (0 replies)
  172. Mufflers (2 replies)
  173. Brute Force 750 electrical malfunction (0 replies)
  174. big bear 350 tranny clunk (0 replies)
  175. need valve clearance (0 replies)
  176. does anyone know anything about this bike? (4 replies)
  177. What size is this piston for the 400ex?? (2 replies)
  178. baja wilderness 250?? carb n sprocket? (2 replies)
  179. mx sprockets? (9 replies)
  180. Banshee cool head install (1 replies)
  181. 450r Starter clutch? (3 replies)
  182. bearing carrier (4 replies)
  183. 04 Predator won't turn over (3 replies)
  184. nEeDs SoMe IdEaS (4 replies)
  185. LTZ250 Shaft Stripped??? (1 replies)
  186. 2001 400ex clutch? (4 replies)
  187. 250 Timberwolf starting problem (2 replies)
  188. Engine Restore in a 400ex (1 replies)
  189. efm auto clutch? (0 replies)
  190. Trx450r Starter Problems (5 replies)
  191. stock 400ex cam (0 replies)
  192. Broken Leg need Button shifter (13 replies)
  193. 400ex starting problems (1 replies)
  194. top end gasket kit? (4 replies)
  195. VXB Bearings (0 replies)
  196. Major Help!!!! (3 replies)
  197. Polaris 300 temp sensor (0 replies)
  198. Motor Swap (1 replies)
  199. scary fast power now (0 replies)
  200. Big red 3 wheeler valve adjustments? (0 replies)
  201. 400ex help pls!!! (7 replies)
  202. lonestar antifade locknut on rpm dominator axle? (2 replies)
  203. How to make my 06 yfz 450 faster (4 replies)
  204. raptor needs a little more speed (2 replies)
  205. Blown 400ex starter? (2 replies)
  206. 400ex jetting??? (2 replies)
  207. Honda Rancher 400AT (0 replies)
  208. 300EX Chain Size (4 replies)
  209. Weird sound from top end (3 replies)
  210. How do i clean my Outerwear Pre-Filter? (4 replies)
  211. 400ex trouble! help (2 replies)
  212. starter mod. (1 replies)
  213. 08 YFZ idling issue (6 replies)
  214. yfz 450 top end rattle? (8 replies)
  215. 2004 polaris sportsman 500 ho jetting in high altitude (0 replies)
  216. i need torque spes 400ex (1 replies)
  217. jetting (0 replies)
  218. no start , backfire 400ex (4 replies)
  219. No Spark?? Kodiak 450 Help (3 replies)
  220. 300ex race motor (6 replies)
  221. rebuilding HMF (4 replies)
  222. Bearing on crankshaft install help (3 replies)
  223. racing motors (4 replies)
  224. air box (20 replies)
  225. aluminum rear sprocket (15 replies)
  226. Exhaust (5 replies)
  227. how to make a 08 450trx faster (2 replies)
  228. Screaming Starter (1 replies)
  229. big gun rev box vs. amr rev box for 400ex (7 replies)
  230. sprockets question (10 replies)
  231. best synthetic oil? (8 replies)
  232. oil in airbox (2 replies)
  233. tire grooving (2 replies)
  234. What would be the best setup (3 replies)
  235. kvf 650 smoke issue (0 replies)
  236. What the Best Bore it for a 2005 KFX400? (2 replies)
  237. I.D this Mikuni carb please (2 replies)
  238. 400ex gearing ????? (1 replies)
  239. why my does predator wants to stall (1 replies)
  240. 300ex won't start all of a sudden (5 replies)
  241. which makes more power? slightly lean or slightly rich? (9 replies)
  242. AMSOIL or OEM ? (41 replies)
  243. build a 440 or hybrid? (7 replies)
  244. 525 vs. 700 (9 replies)
  245. jetting (0 replies)
  246. rubicon trouble (0 replies)
  247. kawasaki mojave problems (2 replies)
  248. jetting 400ex (1 replies)
  249. on fuel injected motors (4 replies)
  250. honda 250x wont stay runnin (1 replies)