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  1. plug heat range
  2. jetting help
  3. Anyone use a yfz carb on modded 416?
  4. 416ex conversion recommendations
  5. Front Sprocket has side to side play Help asap
  6. Lean Or Ritch
  7. HELP! ex problem
  8. edelbrock 38mm any good?
  9. what are some good cheap mod for 300ex?
  10. cam break in
  11. what is .20 over?
  12. where to but an lte exhaust?
  13. Best quiet YFZ pipe?
  14. big gun or yoshimura for 400ex?
  15. Jetting after taking off lid
  16. Best pipe for 400EX? quiet
  17. problem with the 300....help!
  18. ignition
  19. spuddering help!
  20. 300ex
  21. valve seal
  22. Aftermarket stuff for rubicon?
  23. any tips to make a crf 450 motor start easier
  24. Dynatek??
  25. Jetting for winter?
  26. Cam Chain Help!
  27. Tc Cam
  28. Carburator Baffle Plate
  29. cam chain and tensioner ?
  30. starter button
  31. Brand new 2004 400ex
  32. This is weird
  33. 300ex help please...
  34. wont start
  35. 330ex jetting????????????????????
  36. cant figure this out
  37. 440 sleeve
  38. Would this be a good 400ex for me to buy?
  39. no base gasket with rebuild?
  40. heat
  41. throttle
  42. pipe 400ex
  43. XR650 engine in 400EX frame.
  44. Which exhaust for Z400 ???
  45. cdi box
  46. 400 carb on a 250?
  47. Pipe?
  48. K&N filter, would I need to re-jet??
  49. pistons too hot
  50. ??? about pipes
  51. .
  52. Jetting probs !!!
  53. 250x jetting?
  54. clutch is getting soft. What's a decent clutch???
  55. xr400 cam question!
  56. Molycoating now available
  57. 426 kit..
  58. shaved side cases?
  59. To Build or not to Build a CRF450\400EX
  60. What's the Most Likely Cause?
  61. How hard is it to put in a 440 kit
  62. Best Rev Box For A 440ex??
  63. Wut to do to become 426
  64. looking for a new cam
  65. 1987 250X Poor Running Top End
  66. alive again...
  67. 400ex carb on a 300ex
  68. 416ex extra mods
  69. torq specs?
  70. Engine Idle Problems
  71. pipe and jet kit
  72. Installing Piston On Your Own?
  73. problems with the ex help fast
  74. 460
  75. stripped bolts
  76. ??anti-fade help ??
  77. 440 jetting
  78. fcr,lectron,edlebrock
  79. hmmm what should i get
  80. Prices axles
  81. grinding
  82. Voltage regulator/rectafier failing?!
  83. 250r wiring?
  84. What does "Jeting" do?
  85. Hotcam and Amsoil
  86. bore sizes
  87. bore question
  88. How do you change the Pilot jet?
  89. 250ex carb
  90. High Compression Piston Kit and Hotcam
  91. 250x/300ex wiring harness ?
  92. I got a new quad..pics inside. Question about carburetor.
  93. I need a semi-quiet slip on.
  94. Anyone tried the Jet4Power Air/Fuel Meter
  95. yoshi pipes
  96. Aftermarket Petcock
  97. :huh
  98. packing my pipe, have some questions
  99. Pipe and jet kit?
  100. another stupid jetting quistion
  101. Built 416, 425, 440, 465ex v/s 450r and yfz450
  102. Which silencer?
  103. Full system vs Slip on
  104. jetting
  105. trouble with a CRF 80R
  106. jetin?
  107. hmf slip on
  108. how low of octane
  109. jetting, cover off box
  110. help with pay pal
  111. valve clearances 400ex vs 250x
  112. is my jet too big?
  113. is my jet too big?
  114. oversized head studs
  115. outerwear ?
  116. Arias 305cc kit?
  117. 416ex plans
  118. 400EX Carb on 350X Engine?
  119. Wisco piston install help
  120. Cam chain Woes....???
  121. alcohol
  122. Will a 300EX cdi work on a 250X?
  123. will i need a HD rod?
  124. kick start trx450
  125. Will this fit?
  126. HMF 300ex with no box lid
  127. Fcr 39 Worth it??
  128. mojave oil leak
  129. Is 92octane good enough for wiseco 11.1 440 piston
  130. Yoshi
  131. best place for axle carrier
  132. Best exhaust for 400EX
  133. Nitrous 426EX
  134. Synthetic question!
  135. CRF hard to start.
  136. 300EX jet kits?
  137. what will be a good bore kit for me i got a 03 400ex?
  138. shorten an dmc alien?
  139. 350x Conversion Capabilities?
  140. Did she blow?
  141. 300ex big bore??
  142. another 426
  143. jet too big?
  144. degree key
  145. Cold Knocking?
  146. jetting
  147. Another 400ex vibration post...
  148. Gettin a used quad next year
  149. what horespower does a big bore give
  150. most power
  151. 400ex oil cooler
  152. rev box 400ex
  153. advantage of high compresion piston
  154. hot cam
  155. Lost the cam chain tensioner plug
  156. Does Even Crank Over!!
  157. Dropping a valve
  158. UNI or K&N
  159. 400ex carb on 300ex question
  160. curtis sparks pipe
  161. 416ex's.........What did you use?
  162. Lonestar Antifade & Rpm axle anyone ever do this
  163. 400ex leaking gas
  164. Who can shorten my silencer for me?
  165. sparx exhaust
  166. Spark Plug Cap Resistor
  167. sparx again
  168. whats wrong with my carb???????
  169. will it fit?
  170. cdi with no rev limiter??
  171. wiesco 11:1
  172. cam install
  173. ?
  174. Hmf Pipes
  175. HMF, LRD, Big Gun, or Yoshi?
  176. TC shorty with powerbomb?
  177. jetting question for dg exhaust
  178. what is the installation cost of a 440 big bore
  179. Over heating??
  180. exhaust
  181. do i need a HD rod for a 11:1?
  182. what kind of power gain
  183. 400EX Airbox lid
  184. CRF 450 CAM CHAIN in my 2003 400ex?
  185. 250x problem
  186. What do you have in there?
  187. 400es chain adjustment
  188. which cam do i need
  189. winter project started- jetting ?
  190. 426 question
  191. 400EX Dual Exhaust
  192. recommended slip on
  193. trx500
  194. pinging
  195. 350X Conversion
  196. yz426 tranny problem
  197. Powroll Exhaust ?
  198. yoshi
  199. too many threads...
  200. Needle clip
  201. what do u guys think i sould do???
  202. weak *** 400ex
  203. more power
  204. Rejetting Running without Spark Arrestor
  205. were can i get most power?
  206. Applying Honda Bond
  207. 400 ex Back fire and leaking gas... Advice plz
  208. Advanced timing Key
  209. 400EX Vs LTZ400
  210. Lrd
  211. what could cause it to shut down
  212. Overbore for 440
  213. Electrical Issue?
  214. Suzuki ?
  215. Piston Install Q's
  216. Having starting problems Help!!!!
  217. K&n Powerlid
  218. how do i know were to ajust the clutch to were it should be
  219. will a blaster beat a 400ex in a straight drag,
  220. T4 Slip On How Much Horespower
  221. Wb E Series
  222. need help with hotcam stage 2!
  223. Starting Break-in
  224. need help: 38mm electron qs carb!
  225. what will stop the poping?
  226. 250x vs. 300ex
  227. pilot jet
  228. GT Thunder Rev box??
  229. Anyone know if cam chain replacement similar on RFVC 200 and 300ex same?
  230. Exhaust temp. gauge
  231. quad dpesnt idle!
  232. 0-ring chain cleaning
  233. boring 400EX to 426
  234. Quick oil ?
  235. 440 piston rings!!! help!!!
  236. Engine color?
  237. 416 vs 426
  238. slip-ons
  239. My Quad Is So Slow!
  240. 300ex Reverse Lever
  241. Snorkal??
  242. Where to get 440 sleeve installed in Phoenix area.
  243. topend help?
  244. 440 kit what next?
  245. hmf head slip on with wb head pipe
  246. a stupid question
  247. Ugly piston from smoking
  248. starter clutch question
  249. wiring prob
  250. Rebuilt motor noise