PDA

View Full Version : ATV Powertrain



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 [52] 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136

  1. 250R Clutch...help!
  2. 400 EX Rev Kit
  3. Cams!!!!!
  4. Some 416ex kit ?'s FDO?
  5. exhaust
  6. different sprockets?? where to get...
  7. airboxes
  8. Enigine Knock
  9. Engine work
  10. 250x carb size
  11. curtis sparks pipe jetting
  12. exhaust 300ex
  13. recon exhaust?
  14. a great cam
  15. dynojet stage 2 kit
  16. Intake Broke Off!
  17. White Brother Exhaust HELP
  18. CRF450 Timing Chain does NOT fit 400EX
  19. couple of 400 ex questions
  20. Question about getting a 416 Kit
  21. 250x Electric Start Kit
  22. 1991 honda 250x Electirc Start Kit
  23. boat for oil changing stripped
  24. Dial-a-jet?
  25. starting problems
  26. 250 reed cage question
  27. good repacking material
  28. molybdenum disulfide oil
  29. engine problems
  30. will it hurt my motor if i!!!!!
  31. hrc cam
  32. Smoke!!!???
  33. 39mm FCR ???
  34. In your opinion....
  35. MX gearing
  36. Magura Clutches
  37. Advanced timing question
  38. Does this sound right? (only for people that KNOW their r's!)
  39. Krank-it Racing
  40. cams
  41. Clutch Springs
  42. Where to buy Chains and sprockets?
  43. The bolt on my flywheel keeps backing off!
  44. 250x rebuild questions
  45. dial-a-jet question
  46. What to do with my motor?
  47. 440 kits
  48. How much oil in 250R
  49. Smoke or not?
  50. slip on question
  51. brandy new 400ex
  52. Horsepower chart
  53. not reving right??
  54. bottom end loss?
  55. gas?
  56. supertrapp 250x/300?
  57. quick carb ???
  58. uneven wearing in the cylinder means...
  59. Radatior Hose rubbing on pipe!
  60. FMF powerbomb
  61. 13 or 14 tooth front sprocket
  62. Fcr 39mm
  63. Lectron 40mm vs. FCR vs Edelbrock
  64. head bolts keep coming loose
  65. best cam for a 300ex?
  66. Pilot jet question...
  67. loosing oil through breather?
  68. Air screw ?
  69. cleaning valves and internals?
  70. stock air screw position anyone?
  71. FCR carb ?s
  72. 5th gear power?
  73. Heavy oil question
  74. clearance of chamber
  75. 250R bogging
  76. best pipe for under $200
  77. 440 cylinder sleeve boreing?
  78. odd jetting
  79. 250 ex stock head pipe
  80. newbie to big bore kits
  81. anyone know about................
  82. "TRICK" octane booster??
  83. 400EX powerbomb ?
  84. installing oil rings on piston???
  85. cr 80
  86. Clutch's...
  87. quick FMF question
  88. 400ex to 216 then 426 now 440
  89. just a quick question, please look
  90. LRD exhaust
  91. smokes alittle when i get the rpms up high ?
  92. few questions
  93. where can i buy silent sport packing?
  94. do you put oil in valve cover caps after a rebuild?
  95. Rough idle
  96. What Is needed for 39 FCR off 02 cr450f?
  97. Engine runing like chit please help
  98. quickest way to get axle removed from swingarm
  99. 300ex Rev Limiter
  100. How long...stock clutch last racing mx?
  101. Bad Luck!!!
  102. Z running poor
  103. 416ex electrical probs
  104. black pipes
  105. 400ex rev conversion
  106. How does gearing increase your power?
  107. adjusting valves after hotcam install?
  108. bummed out 400 rider
  109. Any relation between cams and # of disks run on E-Series?
  110. stock 400ex chain length
  111. 300ex broke
  112. Low End Cam
  113. Question
  114. Edelbrock carb Help!
  115. qite core by white bros?
  116. shifting trouble?
  117. 400 EX just quit
  118. 250R port timeing
  119. hmf for 250ex
  120. CT midrange package
  121. how much power.....?
  122. full hmf pipe for 250ex
  123. sprocket
  124. The problem isnt fixed...
  125. Chain falls off....
  126. 330 kit question
  127. fcr carburators
  128. questions
  129. where to get a thumb throtlle cable for a fcr
  130. Should this be possible????
  131. Where to get a good cheap case saver?
  132. where is top dead center?
  133. who keeps up with a raptor and predator?
  134. does a cam/piston combo mean rejetting?
  135. 350X trans in 400EX
  136. FST oil coolers
  137. used a tether....now it wont start.....
  138. white brothers R-4
  139. Different Jet Size Meanings...
  140. Chain Size....ARGH!!!
  141. Clutch HELP!!!
  142. 300ex kick-start
  143. muffler header combos
  144. XR400R carb
  145. Just backfires and wont start
  146. air cooled--blow up??????i dont think so
  147. 300ex motor work
  148. 350x
  149. kick start 400 ???
  150. 180 or 185 main?
  151. Jeting Question
  152. Somebody Tell Me More About The 463
  153. honda 450 not actually coming out!!!!!!!
  154. filter and jetting ??????
  155. airbox modifications!!!!
  156. Jets
  157. how to post pictures?
  158. post a tip!!
  159. leaky card
  160. 440ex gearing
  161. Temperature
  162. FCR 39, How are you set up?
  163. T-4 slip on
  164. aftermarket head
  165. yz Piston in a 250R ??
  166. How do i install my pro design kill switch on my 300ex?
  167. 4.3 tank anybody?
  168. question for any 250x owners....
  169. Cam N Hardened Arms
  170. valves should be replaced if....
  171. Which Is Next for my 426????Help
  172. new high compression piston and cam
  173. Important:::read
  174. Duel header for 400's
  175. putting it back togeather
  176. 250x axle swap
  177. Blue smoke from muffler when revving engine?
  178. A little off the top
  179. plug help
  180. 400ex Cdi??
  181. shaving flywheel
  182. 2000 400ex
  183. Looking 2 buy an EX w/440 kit...reliability???
  184. good setup??
  185. I Need Help 400ex Wont Start
  186. TRX450S Carb flooding
  187. 330 kit
  188. Help...Fuel Problems
  189. engine back fire
  190. Leaky Oil Tank.......Any Help
  191. What is the process to change clutch plates on a 250ex?
  192. What else should I do to my 416 engine?
  193. carb help
  194. sparks 8 plate clutch owners
  195. Mickey Dunlap!?
  196. Carb Help...
  197. 400ex pipe
  198. oil burn
  199. 300EX wiring AGAIN!
  200. Any Word on the 450R????
  201. 400ex Axle in a 250r?
  202. Which 440 kit works best and is still reliable for a reasonable cost?
  203. reusing valve cover gaskets on 400ex?
  204. durablue axle question
  205. trx 500r
  206. carb help please
  207. Quietest exhaust with best increases throughout the powerband
  208. 300ex Spitting and sputtering while racing
  209. Stock 300ex HP?
  210. New oil tank???
  211. wheel studs
  212. stock head pipe?
  213. 400ex and Z400 Question
  214. Head Gasket ?'s
  215. 2 stroke help
  216. what the heck is wrong with my clutch???
  217. MegamaxII?
  218. Its the 10th whats up with TRX450r
  219. will a dial-a-jet work on a 39fcr !
  220. need some info about my carb .
  221. Where is the oil coming out at
  222. need some info about my carb .
  223. Where is the oil coming out at ??
  224. clutch cover problems
  225. Would like advice about megamaxxII+Powerbong
  226. Not starting at times
  227. 500ex needs help real bad
  228. engine builders please help
  229. dyna ignition?
  230. Exhaust Help
  231. jannessen
  232. rejetting
  233. port an polish?
  234. 300ex jetting
  235. Rebuild
  236. Anyone got motor work done by sparks?
  237. New to 4 strokes, how to make it fast?
  238. jet question??
  239. help with new 400
  240. Spark Arrestor Help!
  241. Need Help On Motor Decisions
  242. Has to be the main jet....
  243. need help!!please
  244. 16T front sprocket
  245. Upgrade the 400
  246. Assembly lube for new cam
  247. loose chain?????
  248. Sweet HMF
  249. 39mm or 40mm FCR
  250. radiators