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Honda TRX450R Forums: Honda TRX 450R Forum > 450R Performance and Mods. > Engine
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  1. 06 cylinder on 05? (5 replies)
  2. Dirt Fiend Racing (10 replies)
  3. I'm back with new plug pictures and jetting changes. (21 replies)
  4. big bore high compression vs crank (2 replies)
  5. scary fast : Powernow air blade (27 replies)
  6. exhaust header wrap (3 replies)
  7. nitro made by klotz (9 replies)
  8. E85 (8 replies)
  9. 06 and up Rossier jetting (4 replies)
  10. Motor locked up!! (63 replies)
  11. hrc w/ rossier (5 replies)
  12. question about pistons and rings (16 replies)
  13. 14.1 Piston Reliability (21 replies)
  14. FCI Installed (26 replies)
  15. cp piston (1 reply)
  16. how to measure valve clearance? HELP PLEASE. (4 replies)
  17. HELP!! Blew up my new 2007 450er 2nd time out!! (10 replies)
  18. HMF to Yoshi (4 replies)
  19. Aftermarket Cylinder (8 replies)
  20. Issue with Brand new 2007 450 (6 replies)
  21. 500cc sleve and piston on stock cylinder (9 replies)
  22. picture of my sparkplug, jetting looks close (18 replies)
  23. crank (1 reply)
  24. 07--> no needle adjustment (2 replies)
  25. How much power can stock clutch handle? (9 replies)
  26. bogging? (40 replies)
  27. Pivot bolt mount on rear of motor... (9 replies)
  28. Now it smokes when warming up (8 replies)
  29. Stroker Clearance clay test (6 replies)
  30. Gearing problem or to much cam? (10 replies)
  31. Valve Clearance questions (4 replies)
  32. Custom Piston (9 replies)
  33. Jetting Help (7 replies)
  34. Hotcam stage2 (20 replies)
  35. 07 450er mixter screw (4 replies)
  36. Has anybody cracked thier headpipe from being wrapped? (4 replies)
  37. Yoshimura (3 replies)
  38. DSP Power Now Valve (5 replies)
  39. exhaust (3 replies)
  40. CUTTING OUT ON TOP (4 replies)
  41. Ok to switch tranny fluid with same clutch? (3 replies)
  42. Build options?? (0 replies)
  43. Transmission (6 replies)
  44. Header wrap on ceramic coated header? (2 replies)
  45. pipe,cams, and port- $$$ ? (3 replies)
  46. Ho HO Ho Look what santa brought me aka UPS man (12 replies)
  47. CRF OR HCSII cam? (8 replies)
  48. TDC (9 replies)
  49. Moved: Dasa pipe for sale (-- replies)
  50. Kill Switch (5 replies)
  51. Motor Seize (29 replies)
  52. Lock out clutch (11 replies)
  53. 2005 Honda TRX450R won't stay running (11 replies)
  54. looking for opinions on what to build (2 replies)
  55. rebuilding a 400ex (7 replies)
  56. Intense School Project (0 replies)
  57. Silver oil (3 replies)
  58. white smoke (8 replies)
  59. Performance and Tunning Issues!!! (17 replies)
  60. 06' CRF carb (3 replies)
  61. Stroking w/ OEM cylinder (13 replies)
  62. Valve sizes.... (44 replies)
  63. Thanksgiving (5 replies)
  64. stroker crank install? (1 reply)
  65. Radiator Fan (3 replies)
  66. dynojet main jet plug (10 replies)
  67. 04 TRX450r + HRC Kit (7 replies)
  68. dynajet kit (1 reply)
  69. hrc kit (2 replies)
  70. Moved: SORRY HONDA (-- replies)
  71. Started backfiring like a mofo, (7 replies)
  72. Wont start with choke on (5 replies)
  73. stock hp vs hrc kit (10 replies)
  74. swapping out my venom piston. (10 replies)
  75. Swapping setups (3 replies)
  76. hiccup on sudden throttle (3 replies)
  77. 3 Venom Powered bikes @ Planet Sand NV event (39 replies)
  78. quietest exhaust? (31 replies)
  79. Couple Questions (19 replies)
  80. Airbox lid or not? (3 replies)
  81. Use a gasket? (4 replies)
  82. Help with hot start cable (1 reply)
  83. LRD Slip-on/Jet Size? (1 reply)
  84. thinking about a crf cam... (15 replies)
  85. Suggestions on what to do to my 07 450ER (36 replies)
  86. hot cam 2 (18 replies)
  87. Moved: WANTED!!! used rossier exhaust (-- replies)
  88. keyless starting (11 replies)
  89. FCR carb boring (14 replies)
  90. Jardine RT-5 exhaust! (9 replies)
  91. Hot cam shim kit (5 replies)
  92. removing the spark arrestor on my new 450r (17 replies)
  93. fresh rebuild... not starting?? (1 reply)
  94. Starting in the cold what a pain (13 replies)
  95. Dynojet jets vs keihin jets (11 replies)
  96. 5th gear full throttle jerking (18 replies)
  97. Please Help (1 reply)
  98. Rossier exhaust question (3 replies)
  99. Needle clip position? (1 reply)
  100. what fuel to run (3 replies)
  101. what main jet (4 replies)
  102. Aftermarket Radiator (6 replies)
  103. interesting scenario (1 reply)
  104. Dyno testing (10 replies)
  105. oil leak on right side of head (6 replies)
  106. Best perfomance mod for your 450!!!! (31 replies)
  107. Torque spec for case halves (7 replies)
  108. well looks like i'm not doing the 564 stroker!!! (12 replies)
  109. Dasa pipe (22 replies)
  110. land & sea dyno (0 replies)
  111. bored piston sleeve/ (1 reply)
  112. cdi high rev (2 replies)
  113. sparks exhaust (1 reply)
  114. best piston for 450r (6 replies)
  115. how do i order a venom 14:5:1 piston (5 replies)
  116. Is My axle bent??? (9 replies)
  117. Exhaust (30 replies)
  118. How much gain from HRC to HC2? (6 replies)
  119. Installing Dasa exhaust (5 replies)
  120. Idle rpm up and down (9 replies)
  121. rossier supertrapp endcap (8 replies)
  122. manifold tape ? (12 replies)
  123. Stalling Issue (3 replies)
  124. Question about valve springs (15 replies)
  125. lighter fly wheel (7 replies)
  126. A little helppppp (1 reply)
  127. Do I have the right needle? (3 replies)
  128. hrc kit question (was unable to find answer in search) (15 replies)
  129. Jetting for this setup (5 replies)
  130. Rossier pipe Jetting (2 replies)
  131. no spark HELP!!!!! pleaseee asap (4 replies)
  132. jetting my 05 (6 replies)
  133. 1st gear stutter (8 replies)
  134. More Problems. (6 replies)
  135. winter build (2 replies)
  136. which air filter ? (8 replies)
  137. quick question (2 replies)
  138. jetting in glamis? (14 replies)
  139. drag exhaust (16 replies)
  140. people with a dasa pipe (13 replies)
  141. oil change (4 replies)
  142. Calling all motorheads (13 replies)
  143. Will jetting change with piston and port? (11 replies)
  144. Cooler Temperatures Jetting (11 replies)
  145. Yet another jetting, I think? (8 replies)
  146. Can some1 tell me what carb this is (13 replies)
  147. Reassembly Problems (15 replies)
  148. Venom 480cc (8 replies)
  149. hrc cam vs. oem crf450r cam (16 replies)
  150. if i ran stock exhaust (0 replies)
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