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  1. 2002 Blaster for Sale (1 replies)
  2. no exaust guard on new header (20 replies)
  3. Carb air boot problems (2 replies)
  4. engine vibration????? (1 replies)
  5. air screw adjustment (2 replies)
  6. Chain for 400ex (31 replies)
  7. z400 jetting (1 replies)
  8. carb ?? (0 replies)
  9. how fast 350x to 400ex (0 replies)
  10. where to buy 35 tooth rear sprocket (9 replies)
  11. Back firing 400ex from a slip on pipe. (9 replies)
  12. Slip on HMF (1 replies)
  13. Cam How-to-install question (3 replies)
  14. burning smell (6 replies)
  15. can someone scan the instructions for the extra oil cooler on a 400 (0 replies)
  16. engine builders (2 replies)
  17. 300ex engine mods (9 replies)
  18. fabbing a new airbox lid??? (3 replies)
  19. clark 5.5 gal fuel tank (26 replies)
  20. 4-stroke smokes like 2-stroke???? (14 replies)
  21. New 04 YFZ450 Yamaha.... (4 replies)
  22. Help Engine !!!!!!!!!!!!!!!!!!!!! (7 replies)
  23. 300EX Exhaust (3 replies)
  24. jetting for my setup (4 replies)
  25. Timing Advance Key (12 replies)
  26. Videos at Elkart Lake, WI (1 replies)
  27. Stator prob (2 replies)
  28. 250x blowing smoke....?? (3 replies)
  29. what should i do to my 300ex (7 replies)
  30. repacking LRD? and lrd engine kit? (1 replies)
  31. meszaros (11 replies)
  32. Problem (1 replies)
  33. Should my jetting stay the same? (2 replies)
  34. question on 440 kit (0 replies)
  35. What's Wrong With my Pipe? (22 replies)
  36. Oil filters? (1 replies)
  37. FST oil cooler??? (7 replies)
  38. PRM skidplate question (6 replies)
  39. problem w/ 300 (1 replies)
  40. burnin oil?? (6 replies)
  41. Big Bore 250EX (24 replies)
  42. anyone ever made an electric fan for 400ex? (4 replies)
  43. What overside studs? (2 replies)
  44. Headpipe wrap (5 replies)
  45. Help (9 replies)
  46. 400ex Turbo (5 replies)
  47. 250r porting! from who? (0 replies)
  48. Pro Circuit vs. Yoshi vs. FMF vs. White Brothers 400ex Exhaust (35 replies)
  49. ATC 250R..(?'s) (8 replies)
  50. who has used a rev box? (5 replies)
  51. Trying to get 350x engine started (3 replies)
  52. Piston question? (10 replies)
  53. How does this look? (5 replies)
  54. Powdercoating Heat Shield (3 replies)
  55. Carb Needed (4 replies)
  56. whick big bore kit? (3 replies)
  57. Few Motor Questions (14 replies)
  58. Gearing advice 300ex (4 replies)
  59. engine tick (2 replies)
  60. engine tick (1 replies)
  61. hotcam without hi comp? (9 replies)
  62. ignition problem (0 replies)
  63. big bore kit info needed (0 replies)
  64. Dyno machines!!! (3 replies)
  65. electrical gurus ---250x spark problem (5 replies)
  66. 14 tooth sprocket not good idea (7 replies)
  67. heavy duty cam chain ? (10 replies)
  68. Hope This Wakes Honda Up!!! (19 replies)
  69. Has anyone bought the CT Racing slip on w/ jet kit? (25 replies)
  70. yz426 or 440 kitted 400ex (15 replies)
  71. K&N jewt kit work it on stock exhaust 400ex? (3 replies)
  72. A arms (1 replies)
  73. CR top end on a 250r? (10 replies)
  74. a few ? (0 replies)
  75. Anyone know the stock yzf400 main jet (0 replies)
  76. Water spraying out of exhaust (5 replies)
  77. hot cam valve adjustment (4 replies)
  78. 416 kit. (9 replies)
  79. Pappy's Battery Cables (10 replies)
  80. check this out (1 replies)
  81. endcap?? (1 replies)
  82. I got my part of prob. with hotcam... tell me how to replace it (3 replies)
  83. A little advice on gearing, please... (1 replies)
  84. hotcams and big bore (6 replies)
  85. head gasket (1 replies)
  86. A few problems.. (8 replies)
  87. jetting problem from previous owner...... (3 replies)
  88. .....how long does it take to assemble? (3 replies)
  89. Another dumb question... (35 replies)
  90. 450r fit in a 400ex frame?? (1 replies)
  91. valve adjustment (0 replies)
  92. Brake switch mod (15 replies)
  93. air cleaner body (11 replies)
  94. Pics of what happened (24 replies)
  95. cam and piston? (0 replies)
  96. Need a good 440 kit and builder (1 replies)
  97. chain help (27 replies)
  98. battery alternatives (0 replies)
  99. Does humidity affect jetting? (35 replies)
  100. carb question for 440 (2 replies)
  101. suzuki 250 quadracer HP? (7 replies)
  102. spark plug (1 replies)
  103. carb adjustment (1 replies)
  104. 300ex problems (2 replies)
  105. Which Rev box is Best (1 replies)
  106. Big bore Kit for a Forman (2 replies)
  107. More Hot Cams Problems (44 replies)
  108. Best exhaust for the 250x..? (2 replies)
  109. What carb do I have? (4 replies)
  110. 300ex motor (3 replies)
  111. 400ex vs 350x which has the potential? (15 replies)
  112. Another who would win. (6 replies)
  113. pipe questions (1 replies)
  114. Whats Better? Lean or Rich? (12 replies)
  115. 330ex vs. 350x (16 replies)
  116. web cam? (1 replies)
  117. Four Stroke Tech 330 Kit (3 replies)
  118. Case saver bolt hole broken (6 replies)
  119. Ported head (32 replies)
  120. 440ex (2 replies)
  121. my beast lives (42 replies)
  122. Je 416 (2 replies)
  123. WB Exhaust clamp ?? (0 replies)
  124. Honda says # YTX12A-BS won't fit.!. (15 replies)
  125. Need some advice/opinions (2 replies)
  126. 250x spark problem (1 replies)
  127. Metal in Oil (2 replies)
  128. Fdo (2 replies)
  129. four stroke tech (3 replies)
  130. Multi-forum question........ (3 replies)
  131. 44mm ?? (4 replies)
  132. boring otu carb (6 replies)
  133. I put the T-4 on the 250ex... (10 replies)
  134. custom aluminum airbox (2 replies)
  135. 426ex (0 replies)
  136. pilot jet (1 replies)
  137. Uh help please (8 replies)
  138. ayone got a elderblock quicks silver quad with!! (3 replies)
  139. starting 4 first time in 2yrs, few questions? (8 replies)
  140. shock shoot out. (0 replies)
  141. dont know what to do with My 400 (22 replies)
  142. difference in sizes?!?! (8 replies)
  143. 440 ex plans (0 replies)
  144. Proper gearging for my quad (3 replies)
  145. 400ex beat a Banshee (43 replies)
  146. new parts! specific jetting question? (8 replies)
  147. Really needs helps, 400ex make no sparks suddently (1 replies)
  148. 14/39 Sprocket combo (14 replies)
  149. 250r motors... (3 replies)
  150. CFM Airbox ?'s (26 replies)
  151. Duncan Fatboy 4 for 300ex (0 replies)
  152. IDS 2 Series - Racing and Quiet (2 replies)
  153. broken bolt in shifter (7 replies)
  154. best kit for the infamous 400 (2 replies)
  155. Throttle response (7 replies)
  156. Hotcam and other stuff jetting (10 replies)
  157. My turn with hotcams! (10 replies)
  158. LEaking E-Series WTF ..... (31 replies)
  159. smoke (1 replies)
  160. anybody have pics of shorty e-series? (2 replies)
  161. Shindy piston (0 replies)
  162. Air Boxes (16 replies)
  163. Jettig 4 on a 250ex w/ WB E-Series???? (3 replies)
  164. Hetricks Racing (5 replies)
  165. WB e-series question (3 replies)
  166. 350r power problem! (18 replies)
  167. stock needle/pilot screw settings (1 replies)
  168. edelbrock carb (5 replies)
  169. WEBCAM vs. HOTCAM (8 replies)
  170. getting to camshaft help (0 replies)
  171. 250x rebuild-won't start (14 replies)
  172. my t4 is fine (4 replies)
  173. Front sprocket loose...? (5 replies)
  174. Need Help 250x won't start (15 replies)
  175. Ross 440 kit question. (1 replies)
  176. Question?? (5 replies)
  177. HMF 300ex pipe (1 replies)
  178. 300 Ex piston (3 replies)
  179. Need help with my jetting. (9 replies)
  180. reed spacer (4 replies)
  181. Any suggestions!!!!!!!!!!!!!!!!!!!! (8 replies)
  182. Here it comes, the jetting question. (23 replies)
  183. quick carb question (1 replies)
  184. will white bros warranty this... (4 replies)
  185. Losing power part 3: Pressure in crank case (3 replies)
  186. Janssen Racing Super coil (0 replies)
  187. 250r tranny?? (3 replies)
  188. 1986 250R help Please! (17 replies)
  189. FMF Titanium 4 Sizes? (7 replies)
  190. case saver (1 replies)
  191. Wiring - The last step (1 replies)
  192. Throttle Problem (6 replies)
  193. timing key and cam.. (6 replies)
  194. you modify 2 stroke flywheels. (7 replies)
  195. Two questions about my sunk 400 (6 replies)
  196. pro design cool head (2 replies)
  197. Swingarm guard? (1 replies)
  198. need help on exhaust system! (2 replies)
  199. where to put grease? (9 replies)
  200. oil leak....help... (20 replies)
  201. who makes the best 440 kit? (4 replies)
  202. oil cooler 300ex (3 replies)
  203. Hot cam stage 2 problems. (14 replies)
  204. MX Motor (10 replies)
  205. Gas Octane (15 replies)
  206. anyone ever change front wheel bearing (3 replies)
  207. Better compagny for 400 piston???? (4 replies)
  208. junky pipes (63 replies)
  209. Dented exhaust??? (4 replies)
  210. 200sx........Clutch? (3 replies)
  211. carb problem... (6 replies)
  212. engine makin noise (3 replies)
  213. UNI filter lets sand threw. (11 replies)
  214. Trx 350X exhaust what should I get ? (9 replies)
  215. 250X engine swap (1 replies)
  216. Best Pipes!!!! (1 replies)
  217. removing cases (2 replies)
  218. HMF exhaust (6 replies)
  219. removing pins in rocker cover..... (5 replies)
  220. bORE KIT ??? (9 replies)
  221. You have to check this out !!! (4 replies)
  222. got beat......... (21 replies)
  223. Bigger carb on 04 400EX (2 replies)
  224. installing a thumb throttle (3 replies)
  225. compression (1 replies)
  226. kinda a dumb question (2 replies)
  227. New Fdo Racing Heavy Duty Head Studs (32 replies)
  228. hotter plug for engine mods? (5 replies)
  229. Is My Clutch Slipping? Help (5 replies)
  230. Looked at my second Hotcam today.. (22 replies)
  231. 400ex Jetting Question (152 main) (4 replies)
  232. 2004 38 carb question??? COMPARISON (70 replies)
  233. who'd win? (9 replies)
  234. INFO on taking links of stock chain???? (1 replies)
  235. Stock Carb settings (2 replies)
  236. whats fatser (15 replies)
  237. tires (2 replies)
  238. 300ex motor mods help (8 replies)
  239. need help with engine work (0 replies)
  240. 400ex carb on a 300ex??? (2 replies)
  241. Weird noise from carb on EX... (1 replies)
  242. Dail-A-Jet (1 replies)
  243. 250x jetting (2 replies)
  244. 265 Powervalve motor (12 replies)
  245. 400ex cam bearings, surface they sit on. (2 replies)
  246. 440 kit or 416 for dune riding? (6 replies)
  247. Big Gun is here for questions! (50 replies)
  248. FST cooler (8 replies)
  249. 300ex rev limiter (2 replies)
  250. jetting ?'s (2 replies)