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  1. Pinned:Yfz450 Cam Mod (386 replies)
  2. Pinned:Kickstart Installation Walkthrough (97 replies)
  3. Pinned:Jetting FAQ's (998 replies)
  4. Pinned:Yfz Athena 480cc (93 replies)
  5. Pinned:Spring Mod Full Tutorial (30 replies)
  6. Pinned:Jetting 101. (100 replies)
  7. Pinned:Yfz Cam Dyno Shootout...venom Dyno\ Sredrum's Yfz (33 replies)
  8. Pinned:To Anyone With Aftermarket Exhaust... (291 replies)
  9. Pinned:YZ Clutch Modification (82 replies)
  10. Pinned:Oil Mod Completed (101 replies)
  11. Pinned:Dyno Pipe Test (322 replies)
  12. Pinned:Dyno Pipe Test 2 (167 replies)
  13. Pinned:Pipe Shootouts Condensed (6 replies)
  14. Broken Case (2 replies)
  15. Cut Out And Flames Out The Exhaust (3 replies)
  16. Where Can I Find... (10 replies)
  17. Engine Tension (0 replies)
  18. Crank Compatibility And Part Identification (4 replies)
  19. Yfz Clutch (6 replies)
  20. Quad Will Not Rev Out At All When Trying To Ride It Before It Starts T (1 reply)
  21. Venom Products (2 replies)
  22. No Spark Problem (5 replies)
  23. Leak Jet (10 replies)
  24. Leak Jet (15 replies)
  25. Only Fires Up With Throttle Wide Open (17 replies)
  26. Valve Bucket Destroyed (9 replies)
  27. Relation Between Aftermarket And Stock Stator (0 replies)
  28. Help My Quad Cuts Off At Full Throttle! (12 replies)
  29. 06 Yfz450 Died And Will Not Start (3 replies)
  30. Another Jetting Question (7 replies)
  31. MOVED:Graphics (-- replies)
  32. Charging System (3 replies)
  33. Wont Start.. (11 replies)
  34. Timing Chain (7 replies)
  35. Jardine Rt99 (3 replies)
  36. Db Levels (5 replies)
  37. How To Remove Rod From Crank (4 replies)
  38. Big Bore Vs. Standard Bore (14 replies)
  39. Newb Jetting Question (4 replies)
  40. Newbie Jet Question (8 replies)
  41. Yfz 450 Turbo (5 replies)
  42. Valve Help (15 replies)
  43. Do They Make Spark Arrestor For The White Bros E3 And Where Can I Get (2 replies)
  44. Wont Start (3 replies)
  45. Looking For Atv Maching Shop (2 replies)
  46. Cp Piston (5 replies)
  47. New Hmf (13 replies)
  48. Just Need The Gytr Needle Itsself....where Can I Get It (1 reply)
  49. 05 Yfz Boggs Out On Take Off Every Gear (4 replies)
  50. Best Pipe For Woods Racing? (36 replies)
  51. Need A Straight Answer Please? (3 replies)
  52. Jetting Or Carb Issue? (4 replies)
  53. 004 Yfz (6 replies)
  54. Weird Problem (4 replies)
  55. Timing Chain Tensioner Specs (4 replies)
  56. Need Help A.s.a.p With Jetting (2 replies)
  57. Need Insight... (7 replies)
  58. 06 Yfz No Spark (6 replies)
  59. 05 Yfz Tranny Clicking & Knocking Noises (3 replies)
  60. 2004 Yfz 450 (1 reply)
  61. Interesting Info About Venom (8 replies)
  62. Won't Shift Out 1st (5 replies)
  63. 06 450 Quad Will Only Run Good When The Choke Is On (8 replies)
  64. Wiseco Piston (14 replies)
  65. No 5th Gear (2 replies)
  66. Fan Or No Fan.... (7 replies)
  67. Need A Little Help, (1 reply)
  68. White Dust In The Exhaust? (10 replies)
  69. Jetting At 2000 Ft Any Help? (3 replies)
  70. Bike Still Shooting Coolant (28 replies)
  71. Tips For Jetting In Upstate Ny (0 replies)
  72. Help Please Yfz Wont Run (3 replies)
  73. Hard To Start (0 replies)
  74. Shuts Off Put In Gear (7 replies)
  75. Help (6 replies)
  76. Yfz450 Engine Packages (4 replies)
  77. Seized Rod On An 07 (20 replies)
  78. Gytr Exhaust Tip Question (0 replies)
  79. Hard Start, Won't Idle (16 replies)
  80. Fci Intake (6 replies)
  81. Intake For Yfz 450 2007 ,please Help (7 replies)
  82. Kick Start Question (8 replies)
  83. Clutch Friction Plates (10 replies)
  84. Clutch Issues After Rebuild (fixed) (13 replies)
  85. Super Stiff Clutch (13 replies)
  86. Fuel Screw? (6 replies)
  87. Sprocket ? (14 replies)
  88. Just Looking For Ideas (9 replies)
  89. Wot Cut Out. (6 replies)
  90. Big Bore Jetting..? (3 replies)
  91. Hard Shift... (0 replies)
  92. Jetting Question (3 replies)
  93. New Venom Exhaust Or Ron Woods? (11 replies)
  94. Noob Jetting Questons (2 replies)
  95. Pipe Getting Red Hot (3 replies)
  96. Headwork For Tt Flattrack (8 replies)
  97. Piston For Wr450 Crank (10 replies)
  98. Using 04-05 Cases In 06 Motor (2 replies)
  99. Stator Or Other Electrical Problem? (4 replies)
  100. Need Help; Please Read (1 reply)
  101. Engine Vibration (0 replies)
  102. Gytr Piston (7 replies)
  103. Jardine Rt99 And Rt5 Exhaust (8 replies)
  104. Need Help With Gytr Cdi Box (2 replies)
  105. Wrong Sprocket? (8 replies)
  106. Tools For Crank (14 replies)
  107. Cheap Race Fuel (15 replies)
  108. I'm Rebuilding A Motor (3 replies)
  109. Jetting Help Again ! :( (12 replies)
  110. Cam Questions (3 replies)
  111. Efi For '04'-'08' Yfz (45 replies)
  112. Best High Perf Lowest Noise Pipe Out There ? (12 replies)
  113. Reving Engine (23 replies)
  114. Hot Rod +3 Crank (7 replies)
  115. Nos (9 replies)
  116. Rejet From Hell (8 replies)
  117. MOVED:Have Question (-- replies)
  118. Cylinder Life (2 replies)
  119. Running Lean (4 replies)
  120. Clutch Cable (2 replies)
  121. Fuel Line (9 replies)
  122. Blown Base Gasket (7 replies)
  123. Need Help With Idle (1 reply)
  124. Radiator Fan (6 replies)
  125. Another Hesitation/bog Post (3 replies)
  126. Throttle Cable (5 replies)
  127. Cylinder Works Big Bore Kits (5 replies)
  128. Carb Mod (3 replies)
  129. Rebuilding Motor (3 replies)
  130. Stroker Crank Options (3 replies)
  131. A Few Gremlins To Figure Out (10 replies)
  132. Help With Jets (10 replies)
  133. Rebuild Question (10 replies)
  134. Need Help Fast. (4 replies)
  135. Difference Between Clutch Years (2 replies)
  136. Will A 2007 Motor Fit On A 2005 ? (3 replies)
  137. 1998 And 1999 Yz250 Kick Lever (11 replies)
  138. Kickstart Question (10 replies)
  139. Phoenix Exhaust (2 replies)
  140. Dead End (14 replies)
  141. Carb Question (3 replies)
  142. Overide (2 replies)
  143. Stepping It Up - Need Some Advice, What Will The Jetting Be? (1 reply)
  144. Gonna Do The Cam Mod (11 replies)
  145. Purple Goo On My Carb (3 replies)
  146. Replacing Crank (9 replies)
  147. Tps Bypass? (2 replies)
  148. Edlebrock Carb? (8 replies)
  149. Needle Question (4 replies)
  150. Buying An Exhaust? (48 replies)
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