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  1. 400ex + Full HMF + 160 main = blue smoke.
  2. Timing Chain Problem
  3. A dumb compression and jetting question.
  4. to k and n or not to k and n
  5. SuperTrapp ISD2
  6. could it be done? ram air
  7. hi comp piston worth it?
  8. 400ex exhaust baffles
  9. Pro Circuit pipe
  10. engine noises
  11. turbo for 400 ex
  12. How much does it cost to have a shop re-ring me?
  13. 450R Cylinder
  14. Carb Boring
  15. reuse piston rings?
  16. Weird engine problem???
  17. mini question
  18. 400ex keihin fcr 39 & 41 mm carb which one to get pros and cons!! HELP
  19. does the turbo kit for 400ex worth it???
  20. just sold my 400ex and and now wont start!!!!!!!!!!!!
  21. 400ex keihin fcr 39 & 41 mm carb which one to get pros and cons!! HELP
  22. 300ex uni prefilter-outer wear?
  23. Yes I know another jetting question
  24. I am really confuse for mods ?!&%?*
  25. brake in
  26. Which Edelbrock Carb???
  27. Exhaust Leak??? Help!
  28. 440 owners!
  29. clinging/chattering at high rpms
  30. NMotion exhaust???
  31. Finding my Elevation
  32. carb blowing off
  33. valves
  34. Jets?
  35. No start situation
  36. 5 return clutch spring torque
  37. what do i need
  38. fixing my reverse on 300ex
  39. Looking for a bottom end for my trx250r
  40. cracked case? cracked cylinder?
  41. Whats tha difference?
  42. jetting
  43. headpipe ??
  44. More power
  45. Lakota Will Not Start Please Help
  46. Stator
  47. Electric fans
  48. 400 Headpipe
  49. top speed
  50. Who does Your Motor Work on Southeast Mich. Northern Ohio??
  51. 2005 400ex
  52. 426, Need input
  53. 300 ex baffles
  54. Raptor cdi
  55. engine boggs down?
  56. largest 400ex sleeve bore
  57. help fast, RPM axle problem
  58. sprocket alignment
  59. best pipe for 300ex
  60. pipe for my 300
  61. DID 520ATV X-Ring Chain Master Link?
  62. Anodized Sprockets
  63. 400/250 Slow jet
  64. What do ya'll think??
  65. what cam to get?
  66. 400ex engine 4 sale $500 obo
  67. Clutch Problem
  68. fuel and air mixture ?????
  69. 450r oil sucker
  70. hot wired fan on 450r please help
  71. need help quick
  72. Yfz Baffle
  73. Sound DBs
  74. 406 Piston Size for EX
  75. Need help w/39mm PWK
  76. Jetting question.. again...
  77. $$$
  78. axle locknut
  79. When do you need HD head studs?
  80. Edelbrock carb help
  81. Why do i..........
  82. DMC Alien exhaust?
  83. Procom CDI
  84. White Brothers E-series???
  85. clutch???
  86. Can someone do a detailed post on what is involved in putting a cam in?
  87. To hone or not to hone. (and other questions)
  88. do you know this information about cams?
  89. A good question for you guys!!
  90. Will a slip on make much of a difference?
  91. head pipe glowing normal or not??
  92. Fram oil filters for quads any good???
  93. Stopping engine oil leak without taking apart?
  94. Pipe for Scrambler 400
  95. Home from the dunes/now question!
  96. 330 bore kit question
  97. Starting problem
  98. Clutch cable to long
  99. 400ex-) crf 450 pipe question
  100. hard to start
  101. Can I run 93 pump gas with a +6 timing key?
  102. won't start ?
  103. Dial-a-jet
  104. taking the baffle out
  105. What is the Stock carb on a 300ex
  106. HMF Quiet Core
  107. What Kind of jets to use?
  108. yz 426
  109. please help, read this utility boys.
  110. HMF pipe?
  111. Burning Oil
  112. Porting,shavin,polishing??
  113. Help me narrow this down
  114. New head studs...HELP
  115. HMF slip-on...which header?
  116. YZ426 hybrid gearing?
  117. 450r axle bearing
  118. 400ex extra oil cooling (the valves/ head)?
  119. power/handling
  120. What edlebrock carb should i run
  121. Need Help!!
  122. Mods & Jetting...Please Help
  123. valves
  124. New rider 300ex,Got info for ya.
  125. advance timing key
  126. Pic of HMF + Powerbomb
  127. engine trouble
  128. upgrading questions
  129. 440 kit vs high comp piston stock bore
  130. Engine
  131. DRD slip on exhaust.jet help!
  132. How much of a difference?
  133. 06' Yfz 450 pipe
  134. Something Wrong With The Transmission!!
  135. edelbrock carb
  136. lean and rich????yfz450
  137. Magnum Camshaft website???
  138. need help on front gearing
  139. Oil Dipstick Level?
  140. Almost got the jetting dialed in.
  141. valves
  142. What pipe can increase power without increasing sound very much
  143. New exhaust diddnt jet but rode...NOW I HAVE BLUE SMOKE!!
  144. 440 install
  145. jetting main jet/ pilot jet
  146. Ring compressor, please help!
  147. piston and cam
  148. PC 4000 and HP4 head
  149. 74.5mm piston for 300ex
  150. Sparks Exhaust
  151. Pulse Charger exhaust full system
  152. Putting a new engine in the 400ex
  153. gearing for 300 ft drags ????
  154. TDC top Dead Center help. just making sure
  155. Valves or Rings ??
  156. what is the best kit
  157. cam mod re jet
  158. 300ex specs HELP
  159. Engine Powdercoating
  160. Bottom-mid range pipe
  161. 440ex
  162. How Do I change the rear sprocket on a 400ex?
  163. Dg Rcm
  164. cutting down a yoshimura exhaust???
  165. Need help! Jetting woes. 400EX
  166. Port ad Polish Exspence
  167. ???hmf Sound Bytes???
  168. Carb
  169. 400ex cutting out...need some help
  170. 2001 400ex help
  171. 400ex pipe
  172. electric start on my 300
  173. 400ex HMF Jetting
  174. hrc kit for trx450r
  175. headers ?
  176. Looking for riding in Colorady
  177. Hmf?
  178. Best fuel mixture screw?
  179. best jet kit for 400ex
  180. compression and nos
  181. Which kind of Carb is the best
  182. 450
  183. 400ex woes
  184. raptor pipe
  185. stripped oil line bolt.. see picture!
  186. fmf
  187. Carb problems
  188. worth cuttin an exhaust???
  189. Find your elevation
  190. Problems with my 250!?
  191. Oil Pump
  192. how to get low end power??
  193. 400ex oversized head studs
  194. Jets
  195. need help engine problem
  196. 300ex stumbling problems
  197. Hellllppp!!!!
  198. dude about parts for your 250ex
  199. valve adjust
  200. Ildes Too High After Hot
  201. Auto Clutch for a 400ex?
  202. 416 kits
  203. Edelbrock Doug Eichner Carb Jetting
  204. 110 Race Gas bike wont run right?
  205. 250r wont run... need help
  206. engine/running problems...300ex help needed..
  207. hot rod crank assembly
  208. where to find a leager subframe?
  209. 400ex fuel screw
  210. cutting out
  211. 1/4 in fuel line
  212. 300ex oil problem
  213. 440 big bore kit questions...
  214. Carb Jetting
  215. Ohh
  216. 300ex Top End ????
  217. Are these chains any good?
  218. stage two?
  219. Clutch ? and Clutch cover/ crank case help..
  220. faster 300ex?
  221. oil cooler add on
  222. Smoking honda
  223. Tapping at start up
  224. All for 416
  225. carb issues
  226. trinity 465 kit
  227. hybrid atv feedback
  228. Whats size jets?
  229. Stroke for stock EX?
  230. trinity racing 465 kit
  231. banshee vs. yfz 450
  232. Amsoil 2 stage air filter
  233. Clark gas tank insert leaks fuel?
  234. Xr400 cam
  235. need advice on jetting
  236. 450r carb
  237. jetting
  238. Need some advice/help w/ TRX90 wont start
  239. z435 pushing 48 horsepower
  240. Pilot Jet (need quick answer)
  241. 450r vs. yfz
  242. completely baffled
  243. air box lid
  244. Leaking 250R
  245. Setting for alky??
  246. 300 ex jetting prob.
  247. 300ex exhaust
  248. hard desicion on pipe
  249. raptor rebuild ?s
  250. Clutch