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  1. Throttle Stuck Wide Open (17 replies)
  2. New CDI wont turn over (2 replies)
  3. carb take off (12 replies)
  4. JE v Wisco (11 replies)
  5. clicky clicky on my 300ex wont start (7 replies)
  6. HMF Exhaust? (6 replies)
  7. need help with jetting??? (1 replies)
  8. what to remove when installing piston or cam? (5 replies)
  9. SERIOUS question! Taking out oil filter, and putting it back in! (8 replies)
  10. what would i need? (10 replies)
  11. installing a stg 2 hotcam in a 400ex (5 replies)
  12. run cooler (19 replies)
  13. kn oil filter (5 replies)
  14. compression (2 replies)
  15. rev max by advantage (4 replies)
  16. Best Exhaust (6 replies)
  17. Cam Break in Question (6 replies)
  18. cool heads (1 replies)
  19. raptor 720 (10 replies)
  20. K&n air filter (2 replies)
  21. Which Is Better!?!? (1 replies)
  22. would anybody be intersected for a turbo kit for a 300ex (14 replies)
  23. big bore jetting (3 replies)
  24. clutch problems need help (13 replies)
  25. could a 450r or z 400 motor fix in a 300ex (12 replies)
  26. Keihin carb.... (7 replies)
  27. raptor wont stay running (3 replies)
  28. Need Help (5 replies)
  29. Which cam?? (11 replies)
  30. Rev Box for 300ex (3 replies)
  31. dasa or duncan (2 replies)
  32. 400ex axle locknut (3 replies)
  33. 300ex (1 replies)
  34. best exhaust? (19 replies)
  35. clutch (1 replies)
  36. 416 built to 426 (12 replies)
  37. How do you get the Exhuast studs out? (1 replies)
  38. True Yfz450 (3 replies)
  39. 400ex Sprockets (4 replies)
  40. drag carb (1 replies)
  41. no spark (1 replies)
  42. Information Quickly Motocross (2 replies)
  43. sleeve OD (1 replies)
  44. riding while smoking :) (4 replies)
  45. warrior idling problem (5 replies)
  46. reverse (3 replies)
  47. Throttle sticking!! (10 replies)
  48. engine modifications question (1 replies)
  49. 400ex stroking (4 replies)
  50. Piston compression ratio (4 replies)
  51. gas leak (13 replies)
  52. Only shifts through gears if moving. (15 replies)
  53. carb (7 replies)
  54. pro circuit?? (8 replies)
  55. TC pipes (4 replies)
  56. how to tighten my chain (7 replies)
  57. compression 400ex (3 replies)
  58. No Exhaust Pipe??? (25 replies)
  59. 400ex axle bearings (5 replies)
  60. Powerbomb or HMF full. Which flows better (6 replies)
  61. xrs only (2 replies)
  62. need axle help quick... (6 replies)
  63. Problem bogging in rythem sections (4 replies)
  64. Supertrapp IDS anyone have one? (8 replies)
  65. need help with 300ex (size sprocks,eng. mods ETC) (8 replies)
  66. omf rims (2 replies)
  67. 98/300 honda 4x4 factory jet size? (0 replies)
  68. 1987 Trike gas tank needed (6 replies)
  69. Need a porting job done on a Yamaha Blaster? (0 replies)
  70. curtis sparks drop in camshaft (2 replies)
  71. fuel leaking (4 replies)
  72. Need bore in CFL (0 replies)
  73. motor on different frame (2 replies)
  74. really annoying me!! (7 replies)
  75. stiff shifting ex (0 replies)
  76. 450r engine in a 400ex (2 replies)
  77. hot pipe (10 replies)
  78. Best cam...help me please (3 replies)
  79. good woods setup (9 replies)
  80. Bent my valves.... (1 replies)
  81. idle control (6 replies)
  82. aluminum air box!! good or bad? (11 replies)
  83. Backfiring Brute Force ... Help QUICK !!!! (2 replies)
  84. FMF Factory-4 Silencer (2 replies)
  85. best economical build up? (11 replies)
  86. stroker kit where to buy (4 replies)
  87. Starter messed up? i dont know? (5 replies)
  88. Neon On An Atv? (11 replies)
  89. wheel spacers (5 replies)
  90. Motor Help Please? (1 replies)
  91. NEED HELP 426 Piston Problem!! (16 replies)
  92. hot cams (3 replies)
  93. air scoops (8 replies)
  94. shot splines on hubs and axle....solutions? (14 replies)
  95. does any one know this? (8 replies)
  96. HIgh Rpm bog?? need quick replys please (1 replies)
  97. High Rpm Bog... HOw do you cure it? (2 replies)
  98. Good Prices (5 replies)
  99. 400ex 426 or 450 stroker???? (2 replies)
  100. Flywheel/Magnet. (2 replies)
  101. 250x Help (7 replies)
  102. How to break in a new piston? (8 replies)
  103. White Brothers R4 (2 replies)
  104. anyone in south jersey want to ride sept 4 (3 replies)
  105. Dynojet question 450r please help (4 replies)
  106. Running rich (6 replies)
  107. Compression (2 replies)
  108. speed shiftin (5 replies)
  109. 250r Performance (1 replies)
  110. motor question (3 replies)
  111. 440ex signature edelbrock carb (11 replies)
  112. wiseco pistons (1 replies)
  113. Engine dies (2 replies)
  114. just a thought (7 replies)
  115. i need help (1 replies)
  116. r-4 need help (0 replies)
  117. Need some more umph. (3 replies)
  118. water and dirt/mud in oil tank (2 replies)
  119. does any ones sdo this? (7 replies)
  120. carb problems (1 replies)
  121. Sprockets. (6 replies)
  122. Do it yourself porting/polishing? (14 replies)
  123. local fuel issues (1 replies)
  124. Dial a Jet (2 replies)
  125. what to buy (12 replies)
  126. question about a hotcam (6 replies)
  127. 05 polaris sportsman 800 aftermarket exhuast (1 replies)
  128. Carb? something more serious? (7 replies)
  129. Start button on 400ex? (0 replies)
  130. 06 450r Carb Questions (2 replies)
  131. big bore kit (4 replies)
  132. wont kick? (1 replies)
  133. 2000 honda 300 ex timing (14 replies)
  134. Brute Force 650 noise??????? (4 replies)
  135. degree key (1 replies)
  136. 06 YFZ450 starting issue, narrowed down to valve clearance? (5 replies)
  137. Clutch Help (4 replies)
  138. Where to get my engine work done? (6 replies)
  139. Rusty chain look (5 replies)
  140. rear axle bearing (1 replies)
  141. To change gearing...whats better, front or rear sproket? (9 replies)
  142. help choosing exhaust (18 replies)
  143. yfz450 waterpump rebuild (0 replies)
  144. Adjustment on Carb? (1 replies)
  145. jetting help!!!!!!!!!! asap (0 replies)
  146. Help With Piping Blaster (4 replies)
  147. port job (3 replies)
  148. hot rods 460 piston question (1 replies)
  149. need help (6 replies)
  150. hmf smoke?? (12 replies)
  151. cutting out at 3/4 and it's not the jetting??? (13 replies)
  152. outwears (5 replies)
  153. jetting (5 replies)
  154. body swap (1 replies)
  155. Quick: I need EXHAUST HELP! (15 replies)
  156. Play in My Thumb Throttle (8 replies)
  157. Klx 110 problems (2 replies)
  158. 350x (12 replies)
  159. 300ex starter (2 replies)
  160. pistons (1 replies)
  161. 2 and 4 stroke carb (3 replies)
  162. Jetting Baseline (10 replies)
  163. HotCam Question!!!! (5 replies)
  164. 300ex axle (4 replies)
  165. crf450 stroker (8 replies)
  166. Exhaust Question!! (2 replies)
  167. 450ER pipe opinions (3 replies)
  168. my 1987 250x - opinions? (5 replies)
  169. bottom end issues (16 replies)
  170. Burning Oil (8 replies)
  171. axle/carrier question (2 replies)
  172. Is this possible? (2 replies)
  173. hmf shorty??? (4 replies)
  174. spring compresor (4 replies)
  175. hot rods 460 stroker kit (4 replies)
  176. Thumb Throttle Conversion? (9 replies)
  177. polaris 500 scrambler over heats (2 replies)
  178. How much does a rev box help??? (3 replies)
  179. Honda 250X Starting Issue (0 replies)
  180. best rev box?? (2 replies)
  181. carb (0 replies)
  182. Carb Question (2 replies)
  183. Fuel Switch Postion (8 replies)
  184. Z 400 has been sitting now choke is stuck (1 replies)
  185. Nmotion (6 replies)
  186. Carbon or Corrosion (3 replies)
  187. Carb Kit? (0 replies)
  188. w.o.t. carb problem (1 replies)
  189. hrc in woods (5 replies)
  190. 2006 yfz 450 motor (32 replies)
  191. Polaris 400 Dog (6 replies)
  192. easy question (5 replies)
  193. standing up my quad vertically (5 replies)
  194. 300ex schematics (2 replies)
  195. ""electrical probs on my ltz 400"" (2 replies)
  196. Wiseco Piston Question (16 replies)
  197. Won't strart. (7 replies)
  198. How do you guys clean & lube your chains? (9 replies)
  199. rev box (3 replies)
  200. which one? (14 replies)
  201. valve clatter?? (7 replies)
  202. 300EX Peak Power Output? (28 replies)
  203. Crushed K&N Filter (3 replies)
  204. whats this called? (4 replies)
  205. Axle slop after bearing replacement on 400! (14 replies)
  206. Running hot (11 replies)
  207. Msr hot start lever??? (1 replies)
  208. Case breathers (1 replies)
  209. smokey 425 ex (9 replies)
  210. new parts!!! (1 replies)
  211. which oil cooler (10 replies)
  212. Which atv to buy? (14 replies)
  213. rear wheel hubs (0 replies)
  214. how hard? (13 replies)
  215. re-build (23 replies)
  216. replacing the chain and spockets on a300ex (2 replies)
  217. Best chain for the money?? (21 replies)
  218. Big Gun Exhaust (6 replies)
  219. main jet (4 replies)
  220. 300ex crankcase....i need1 (2 replies)
  221. Transmission Metal (2 replies)
  222. hmf on 01 big bear (0 replies)
  223. quad wont start, help needed! (1 replies)
  224. rear brakes (2 replies)
  225. kickstart for a 400ex (15 replies)
  226. big bore kits (7 replies)
  227. Ring Question.... (4 replies)
  228. 400EX/250R Hybrid (3 replies)
  229. broke the unbreakable (2 replies)
  230. here we go! (1 replies)
  231. kick start system for a z400 (4 replies)
  232. twin row or tapered? (3 replies)
  233. clutch? (1 replies)
  234. decompression? (1 replies)
  235. differnt jets? BRANDS? (7 replies)
  236. hmf (14 replies)
  237. jetting might be off (0 replies)
  238. '05 trx450r air/fuel mixture issue (5 replies)
  239. Arctic Cat 500 for target practice (17 replies)
  240. piston?? (13 replies)
  241. how do i get more hp (7 replies)
  242. need help on 300 (3 replies)
  243. hybrid (6 replies)
  244. where is the cheapest place i can get this? (5 replies)
  245. making a 400ex slower (29 replies)
  246. Bogging when stabbing the throttle (21 replies)
  247. Engine Problem??? (1 replies)
  248. stroker cam (2 replies)
  249. skid plates? (11 replies)
  250. Anyone know (1 replies)