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. Yoshimura pipe ?'s
  2. Snythetic oil change intervals
  3. Time for some engine work
  4. More jetting ?'s
  5. Adjusting Floats?
  6. 416ex in the sand
  7. KTM info
  8. Electric
  9. Smoking like a two stroke!
  10. jetting ?
  11. CR450F Engine on eBay
  12. rev box
  13. 39mm carb on 300ex??
  14. building a 250R race quad
  15. exhaust painting?
  16. NGK part #'s?
  17. Head pipe
  18. Is my clutch slipping??????
  19. how much usually is a bore job
  20. 82 atc250r tranny gear went
  21. Engine Starter
  22. Popping noise
  23. Smaller fcr accelerator pump
  24. need pics of instide thumb throttle houseing or explained how to do it ASAP..
  25. CR450F Engines
  26. All you guys with built 400's, dont feel left out in this 450 world. (videos here)
  27. Stroker kit
  28. PC slip-on and k&n direct clamp on
  29. blaster question
  30. HMF slip on?
  31. whats the best????? 400ex and yfz450's
  32. 440 kit witch is best?
  33. ahh tight bolts
  34. Replacement battery
  35. needle in carb
  36. need new radiator
  37. rings or not
  38. HELP with 250x
  39. DMC Alien or Curtis Sparks
  40. will the 400ex Engine
  41. 300ex big bore kit
  42. riding w/o airbox lid
  43. Help W/ Jetting
  44. will the 400ex Engine work in a 1987 250x
  45. Lid or No Lid
  46. YZF 426 conversion help
  47. Got new 406 today!!!!!!
  48. Mechanical Tachometer Question
  49. Higher compression??
  50. 300ex starting problems
  51. Lonestar Axle
  52. wiesco 440
  53. Possible bent axel?
  54. 300ex 330 bore kit
  55. CRF450R engine
  56. Db level of HMF slip on for 400ex
  57. 2001 250EX Drive noise
  58. 250ex rev limiter?
  59. jetting problem i think
  60. Popping exhuast
  61. Exhaust Smells Burnt
  62. will an 01 400ex oil tank fit on a 02?
  63. new pipe and now smoke
  64. boreing 300ex
  65. Oil level problems
  66. overheating or electrical prob on the predator
  67. RPM axel with play in the sprocket hub
  68. RPM axel with play in the spocket hub
  69. New 406 is crapping out need help!!!!
  70. 250ex pipes
  71. exhaust ?
  72. Dynatek Ignitions
  73. 250ex Shift Lever
  74. help my kick started doesn't come back up
  75. 250ex problem HELP
  76. air filter oil?
  77. Head Gasket?
  78. wheel spacers?
  79. really that big of a difference between 406 and 416?
  80. 39FCR givin me problems
  81. Recommended oil to use in a 400EX?
  82. Spark Plug Color Chart
  83. Spark plug thread
  84. 440ex and 426ex
  85. retorquing
  86. Quection about axles..........
  87. High pressure Radiator cap for 250R?
  88. 500EX reliability
  89. trinity exhaust
  90. engine noise
  91. stalling question
  92. cycle country 250ex manual clutch
  93. what octane in my 416
  94. Octane Booster....ok....not ok?????/
  95. To Hot
  96. questions about xr gasket
  97. Blue printing
  98. wicked vibration sound
  99. exhaust,rims,and graphics
  100. Another oil cooler question....
  101. Help jetting FCR 39mm
  102. 5 angle valve job
  103. new EX motor vs yz400 motor
  104. Mod list for badass Woods riding
  105. Need Help
  106. liquid cooled 300ex
  107. 350x conversion
  108. valve cover gasket
  109. stalling
  110. Installing a Clutch Basket - HELP ASAP!
  111. Wide band 02 sensor
  112. hmf or whitebrothers slip on???
  113. help, wont start
  114. Does anyone know what the stock pilot jet is on the 400ex
  115. Valve Noise
  116. what octane matches 11:1 comp
  117. Some 416 kit questions
  118. Advise please on a 416 upgrade?
  119. lights not working
  120. Rancher/Foreman oil colling fan on 400ex
  121. Ct Racing
  122. whats the problem
  123. DB leval of full Pro Circuit
  124. Help !!
  125. carb needle problem
  126. Stiff thumb throttle
  127. hmf qc/sa
  128. how do you get the dust seals in the carrier???
  129. K&N kit with jets question
  130. Keihin Carb's....Need More Info
  131. Swingarm bearing ?
  132. What size tires for drage racing?
  133. New Cam - Rejet??
  134. 250ex+t4
  135. Graydon Proline
  136. HELP with electrical..
  137. Who builds the best radiator?
  138. Need help XR600R in 400EX frame
  139. Where To Order Pro Circuit T-4?
  140. putting in a cam and 416 piston your self
  141. 400ex hp
  142. best place for just porting
  143. porting
  144. no spark..
  145. Disks vs. Turndown
  146. anyone ever had their engine built by LRD???
  147. 450es needs more power what to do?
  148. 300ex engine kits?
  149. she wont start
  150. RPM's getting higher and lower
  151. What should my next engine MOD be?
  152. Clutch Assembly Issue
  153. Tusk clutch kits
  154. Sparks 8 plate Vs. Barnett clutch
  155. 426 break in?
  156. high comp 400 vs. 416
  157. Motion Pro Twist Throttle
  158. Just A Question
  159. 250ex -> 450
  160. adjust valves, feeler guage ? QUICK!!!
  161. anybody know what header to use
  162. Carb Questions...
  163. loose
  164. Spits,dies sumtimes runs good.
  165. 300ex chain size
  166. 460-465 strocker ?'ssssss
  167. camshafts
  168. 400ex timing chain installation
  169. seat troubles
  170. air scoops
  171. pipe ?
  172. carb mod ?
  173. Expensive Parts
  174. Faster Raptor
  175. Kick Start?
  176. is 165 to big?
  177. Clutch is goofey
  178. Mini smoking.......
  179. Motor Cavity Height?
  180. Hmf or Lrd
  181. Intake and exhaust sizes for YFZ & 450r??
  182. carb vents
  183. 400ex Problem????
  184. is this going to work?
  185. fdo racings #
  186. Inline finned radiator- where to buy?
  187. 400ex cuting out
  188. GT Thunder head
  189. Oiling UNI filter
  190. which makes more power
  191. I am tired of getting spanked...
  192. Ceramic or Stainless?
  193. Can nos be installed on a 400ex
  194. which chain produces the least...
  195. Mini Smoking
  196. Open lid or no?
  197. just the cam
  198. Quick carb question from a newbie....
  199. 400ex Cam ID Engine builders please help!
  200. 400ex plastic??
  201. front sprocket loose on shaft?
  202. How would I read this pulg????
  203. Quetion about gearing...
  204. What would a 470 Kit on my YFZ do exactly..
  205. K&N PreCharger or Outerwears PreFilter??
  206. 450 conversion to new 450r or yfz
  207. k&n???
  208. Hub Nut
  209. Mezsaro's Axle Nut
  210. Burgaurd Swing Arm
  211. Lectron Carbs
  212. Question about Big gun exhaust.
  213. Silver Lake Db for slip ons
  214. White Brothers E2
  215. carrier bearing blues!!!!!!!!!
  216. Which would be better?
  217. new crank break in
  218. Honda
  219. Sprocket question
  220. wiseco pistons
  221. 250x stalling
  222. welding something on to the rear swing arm
  223. Honda OS Pistons?
  224. Rossier for 400ex?
  225. exhaust question
  226. 250r help needed on cylinder swap
  227. wiggles
  228. axle nut stuck
  229. choke removal
  230. 450r stock axle fit 400ex?????
  231. Jet bent? In carb?
  232. comparison
  233. NEW Pro Circuit T-4 quier core
  234. better exhaust?????
  235. serious power from a 400ex...comments
  236. DB stock exhaust without baffle/spark arrestor
  237. optima quad style battery?
  238. Who does the best motor work on a YFZ ?
  239. ? about high comp. piston install
  240. rear axle bearings 300ex
  241. MX exhaust.
  242. yz water spigot
  243. Ball joints
  244. Web Cams install?
  245. new 400ex..black plug
  246. Plz help! Posting pics in a thread??? How??
  247. 300ex 250x rev box cdi
  248. .
  249. welding
  250. Clutch question...