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  1. 440 kit how is it... (5 replies)
  2. 250r cool head ??????? (2 replies)
  3. engine harm from high RPM (38 replies)
  4. Cold wheather harm on my engine (8 replies)
  5. IS the Ethanol in our gas BAD for our bikes? (11 replies)
  6. cylinder bore machine (4 replies)
  7. 2006 trx450r TDC (5 replies)
  8. Header (3 replies)
  9. best mod? (4 replies)
  10. can anybody answer this? (7 replies)
  11. exhaust question (5 replies)
  12. Did I Screw Up? (8 replies)
  13. quick ring question (2 replies)
  14. 1988 Honda 300 trx fuel screw (2 replies)
  15. motor rebuild questions (2 replies)
  16. white brothers pro meg (1 replies)
  17. Compression test (7 replies)
  18. cometic gaskits (3 replies)
  19. fcr39 question (3 replies)
  20. 440 head gasket (2 replies)
  21. c-dale axle in ex (3 replies)
  22. question about hot cams (14 replies)
  23. Do You know if ?????? (2 replies)
  24. 210 main in my 400ex (16 replies)
  25. 04-06 trx450r exhaust (4 replies)
  26. TRX 250EX Upgrades (5 replies)
  27. warrior wont start (11 replies)
  28. 450r needle (0 replies)
  29. PLEASE help remove axle nut ?? (1 replies)
  30. how many teeth on sprocket (6 replies)
  31. clutch problem (4 replies)
  32. spark plug stripped (4 replies)
  33. How to change clutch plates and springs (15 replies)
  34. Stator ???? 100w vs 200w (4 replies)
  35. i need help with my carb? i think it needs jeted (1 replies)
  36. exhaust question( not which one i want either) (6 replies)
  37. Calling all GNCC 450R riders (17 replies)
  38. clutch slipping?? (14 replies)
  39. 04 Honda 450 es won't shift (2 replies)
  40. HD rod needed? (4 replies)
  41. Chain/Sprocket (1 replies)
  42. 250ex axel (0 replies)
  43. trx250r Airbox (8 replies)
  44. Topend Rebuild (5 replies)
  45. stage 2 or stage 1 plz help (1 replies)
  46. 400ex carborator (4 replies)
  47. TRX450R carb (4 replies)
  48. compression, fuel, spark...still won't run?? (5 replies)
  49. Odd and possible major problem with 250ex (9 replies)
  50. white smoke cold weather (9 replies)
  51. wont start 05 400 ex (9 replies)
  52. dynojet needle position (0 replies)
  53. Can you put trx450r kicker parts in a crf450r motor(03) (1 replies)
  54. 400ex jetting diagnosis (3 replies)
  55. Just a lil knowledge quiz. (31 replies)
  56. carb help ASAP!! (9 replies)
  57. titanium valves for a 400ex???? (1 replies)
  58. Warrior piston messurements (2 replies)
  59. need help with an oil change on a yz250f? (1 replies)
  60. Nervous... please help! Hotcam stage 1 questions!! (16 replies)
  61. cam and sprocket (1 replies)
  62. Jetting 400ex (7 replies)
  63. Anyone fit a rear shock 450 to a 400 ? (6 replies)
  64. 1997 TRX200D TypeII Carb help (Fourtrax (4 replies)
  65. top speed (8 replies)
  66. what is the max rpms for a 300ex (5 replies)
  67. 250x specifics (7 replies)
  68. bug (9 replies)
  69. which motor (21 replies)
  70. rancher wont move part 2 (5 replies)
  71. fmf t4 exhaust (6 replies)
  72. best clutch (1 replies)
  73. Turbo (21 replies)
  74. 400ex starting problem (5 replies)
  75. Check this out...Super Charger (3 replies)
  76. 400ex air sccops (10 replies)
  77. proper break in (3 replies)
  78. 440ex (2 replies)
  79. best compression set up on z400 (0 replies)
  80. is White Brothers R4 Exhaust a good system? (2 replies)
  81. Which Exhaust? (10 replies)
  82. hmf header with fmf (2 replies)
  83. Slip on's (1 replies)
  84. Will a 400ex rear shock fit on a 06 450R? (13 replies)
  85. 300ex w/85 atc250r engine (4 replies)
  86. Rancher wont move (4 replies)
  87. 300 EX with limited RPM (4 replies)
  88. Cleaning HPC pipe (1 replies)
  89. 416 (4 replies)
  90. best cam an piston? (29 replies)
  91. What compression tester is best? (21 replies)
  92. How wide is a stock axle? (3 replies)
  93. Polaris clutch questions... (8 replies)
  94. what do you think about 87 250trx (3 replies)
  95. HC stg 1or 2 for 416 11:1 build (2 replies)
  96. filling? (2 replies)
  97. Look at this (20 replies)
  98. I need help need to find an engine (8 replies)
  99. Thumb Twist assembly (6 replies)
  100. Excess Engine Oil (20 replies)
  101. why are there s header pipes? (4 replies)
  102. Best Bang for the Buck: 400ex (4 replies)
  103. Spark Plug (3 replies)
  104. Rear Swingarm Bolt (7 replies)
  105. Best price on HMF slip on (2 replies)
  106. gearing (1 replies)
  107. I need some help from you motor techs.. (4 replies)
  108. out with headlights in with a airfilter (11 replies)
  109. carb help (1 replies)
  110. 440 hard to start when hot (3 replies)
  111. Adjusting z400 valves (4 replies)
  112. Edelbrock question! (0 replies)
  113. Just got a 02 400ex and Which exhaust should i get? (6 replies)
  114. 400ex dual exhaust question (15 replies)
  115. How to messure spark plug size for compression tester. (2 replies)
  116. HELP ME! With Sprocket hubs! thanks (9 replies)
  117. air box lid? (3 replies)
  118. YFZ 450 revving (14 replies)
  119. Jetting (2 replies)
  120. Busa battery on 400ex, direct fit? (3 replies)
  121. round slide or flat slide? 2 stroke (4 replies)
  122. 2007 Z 400 more torqe??? (6 replies)
  123. Trinity exhaust (2 replies)
  124. ticking nosie ?? (3 replies)
  125. FCR center rings (10 replies)
  126. rebuild oil pump?????? (0 replies)
  127. stage 1 cams (50 replies)
  128. engine problem (1 replies)
  129. tiny tach (2 replies)
  130. REAL big problem! (7 replies)
  131. Spark arrestor (4 replies)
  132. anyone run 2 different filters (2 replies)
  133. jetting help??? (1 replies)
  134. Ballpark jetting? (2 replies)
  135. 450R carb slide (0 replies)
  136. Big Probelms (2 replies)
  137. Wat clutch to get (0 replies)
  138. After market exaust (15 replies)
  139. can aftermarket exhaust f**k up ur motor (23 replies)
  140. What size is the hub nut? (6 replies)
  141. Should I get a Jet kit? (3 replies)
  142. to get heaver clutch springs (3 replies)
  143. OK Im building a 564cc monster!! (12 replies)
  144. Newbie Questions (7 replies)
  145. 440ex broken valve (23 replies)
  146. sparks x6, stainless steel or ceramic coated? (10 replies)
  147. Carrier or bearing?? (2 replies)
  148. Exhaust seized (6 replies)
  149. What compression with a 11.1 wiseco (8 replies)
  150. pick one (2 replies)
  151. Lean past half throttle???? (5 replies)
  152. Timing on 400ex (1 replies)
  153. Witch clutch to choose (8 replies)
  154. Cranking a 440ex (8 replies)
  155. shifting without clutch (13 replies)
  156. 400ex head bolts (16 replies)
  157. Trx300fw Carb Question (0 replies)
  158. 450s 4x4 tranny help needed (0 replies)
  159. Lots of smoke on startup (12 replies)
  160. Chain/Sprocket question (5 replies)
  161. Kind of weird questions. (2 replies)
  162. yfz450 carb (1 replies)
  163. Kill Switch (1 replies)
  164. Crankshaft (0 replies)
  165. Exhaust Performance! (3 replies)
  166. Axle nut, please help. (6 replies)
  167. contact Turtle Racing (6 replies)
  168. How to make a Shorty Exhaust (10 replies)
  169. Cylinder Side End Cap (2 replies)
  170. z400 timing (0 replies)
  171. 300ex broken throttle cable on 400ex carb (1 replies)
  172. 400ex has erratic RPM (12 replies)
  173. cr250 motors (27 replies)
  174. setting valves on 250x (7 replies)
  175. 2 stroke voltage (2 replies)
  176. Rev Boxes (1 replies)
  177. best sounding (3 replies)
  178. what kind of hp gains from 416-440 kits? (11 replies)
  179. Ordering my X-mas presents! (13 replies)
  180. Automatic clutch on a 4x4 (14 replies)
  181. Another compression question. (8 replies)
  182. whats a good exhaust system? (5 replies)
  183. Jetting my bike (8 replies)
  184. breakin in a cam (13 replies)
  185. jetting a YFZ???? (6 replies)
  186. bogging (8 replies)
  187. Question About Air Scoops (3 replies)
  188. air scoops (5 replies)
  189. 400ex push button starting problem (1 replies)
  190. Motoworks Pipes (0 replies)
  191. Kawasaki Lakota Sport 300 valve clearance (0 replies)
  192. Bike problems.....HELP!!! (7 replies)
  193. ANOTHER jetting question (0 replies)
  194. Pipes (17 replies)
  195. YFZ ATHENA big bore!? (6 replies)
  196. Is the carb different on a 05' TRX450R and the 04' TRX450R (4 replies)
  197. For the pipe gurus... (9 replies)
  198. WB Header & HMF Combo (0 replies)
  199. trx 450 front sprocket (1 replies)
  200. trx450 mods (0 replies)
  201. 18inch tire gearing on 450r (1 replies)
  202. LT500r (7 replies)
  203. 1998 Foreman 400 (2 replies)
  204. Wich case saver? (1 replies)
  205. old Yamaha moto 4 (1 replies)
  206. need help with yamaha blaster (2 replies)
  207. Yamaha Blaster 2001 (2 replies)
  208. trannsmission gear rebuild (7 replies)
  209. which piston in YFZ (4 replies)
  210. Best exhaust for a 2003 400ex? (10 replies)
  211. jetting (6 replies)
  212. sprockets (7 replies)
  213. piston choice help (5 replies)
  214. cr500 clutch springs (1 replies)
  215. Bore a rod end for bigger wrist pin? (12 replies)
  216. problem with stiff cables (6 replies)
  217. 110 octane (5 replies)
  218. helicoil (1 replies)
  219. '69 Z-50A honda mini trail coil problem (2 replies)
  220. HRC kit GOOD OR bad? (6 replies)
  221. exhuast tape????? (28 replies)
  222. up grades for a 250ex (4 replies)
  223. 416 piston size for 400ex? (3 replies)
  224. blaster has a knocking noise (13 replies)
  225. Assembly Lube (7 replies)
  226. 400ex bearing carrier (0 replies)
  227. coil (0 replies)
  228. Houser yz426 Hybrid airbox (3 replies)
  229. lt230 problems (3 replies)
  230. Cam Q (3 replies)
  231. jetting this set up 400ex (2 replies)
  232. pistion and rings (1 replies)
  233. Where to get .... (1 replies)
  234. Heatshield touching header (4 replies)
  235. 86 250r exhaust setup (1 replies)
  236. 400ex carberator (3 replies)
  237. 400ex lights (0 replies)
  238. dry break spout (1 replies)
  239. briggs and stratton performance exhaust (3 replies)
  240. Circlip Fell out?!....... (11 replies)
  241. Little help!!!!! (300ex) (9 replies)
  242. 300ex head pipe (0 replies)
  243. 07 400ex gearing (0 replies)
  244. 07 400ex gearing (1 replies)
  245. 250x valve clearance (14 replies)
  246. 400ex engine build up, 460? With complete quad makeover. (5 replies)
  247. 400ex problem (2 replies)
  248. water prepping (1 replies)
  249. 85 250x swap w/ a 88 350??? (7 replies)
  250. Oil weights. (16 replies)