Evolution Engine Technical Discussion [Archive] - V-Twin Forum : Harley-Davidson Motorcycle Forums

: Evolution Engine Technical Discussion


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  1. Evo cam bearing
  2. Need help bad blow by/oil coming out of carb on 98 Fatboy
  3. Backfiring from front cylinder, over fueling?
  4. 89 EVO crank faliure
  5. Case paint?
  6. Case Paint?
  7. Head gasket's failure
  8. Rear cylinder overheating ... bad
  9. 1989 Evo top end rebuild
  10. Evo startup issues
  11. 93 EVO to Dyno or not
  12. 9 digit vin stamped on case?
  13. Starter issues on 80"Evo
  14. Cracked evo case - need advice/opinions
  15. Engine flutters, loses power
  16. S&S IST ignition?
  17. Extra spark when turning off key switch?
  18. Cheap Books
  19. Evolution engine swapping
  20. Petcock won't shut off
  21. Broken speedo cable ends?
  22. Cam give away
  23. Freshin up the Dyna, need help
  24. Motor is done
  25. Please help me pick a cam
  26. Lifter roller bad need advice
  27. Twin Cam in Evo frame
  28. Evo motor smokes
  29. Jackshaft out of alignment
  30. CV carb help
  31. Starter issues
  32. Starting a 97" Evo
  33. Need help please
  34. What is going on with this ignition
  35. Engine knock and oil light comes on at idle when hot
  36. please help a little smoke
  37. New to harley HELP please
  38. Bike Sat Now Burns Oil
  39. 95 Evo rear jug knock?
  40. 99 FXSTC strange noises, oil has air bubbles
  41. Air/fuel ratio question
  42. Engine whine 3
  43. EVO - any "bad" years?
  44. Jetting and spark plug evaluation
  45. Need to oil soak lifters?
  46. At 61k, '97 Evo ready to blow
  47. Engine whine 2
  48. Very Evasive Problem
  49. Slobbering
  50. Stop me before it's too late
  51. Spit, stutter and miss
  52. Confessions of a bad wrench
  53. Tappet oiling
  54. Noob question about plug wires
  55. Engine whine
  56. Evo oil problem
  57. Evo puking oil out while cranking
  58. Question about head gasket replacement
  59. 1985 FLT starter relay
  60. Replacing OEM header pipes with True Duals
  61. ECM to carburetor
  62. Crazy speedo
  63. Softail maintenance
  64. 95 Road King
  65. Oil temp question
  66. Lost power
  67. 87 XLH Sportster 883
  68. Evo bottom end
  69. My 97 Dyna Lowrider will not start/floods out.
  70. Timing or carburetor adjusted wrong?
  71. 1987 Evo motor an OK year?
  72. Another oil breather puke thread
  73. Comp cams
  74. NOT another pinion & cam gear question!.. Or is it?
  75. More scoot in 80in EVO with MM EFI
  76. crackle to exhaust after PC 111 install
  77. Solenoid
  78. Turns over does not start
  79. 883 Sporty issue
  80. 1984 Evo electrical problems
  81. Hard start after sitting in the rain
  82. Reed valve, oil pump rénovations. Whats thé deal
  83. Timer cover holes vertical or horizontal
  84. Do I rehone or rebore cylinders?
  85. Leak behind my primary 1986 FLHTC 5 speed
  86. Oil intermittently puking out of crankcase breather while running
  87. Crankcase stud bolt backing out?
  88. Rattling Evo brake pads
  89. '90 Fat Boy high idle problem… I need help
  90. EVO HEAD Identification
  91. Knock/tap/tic
  92. Early and late EVO pinion gear
  93. evo pinion help
  94. EVO exhaust
  95. Oil pump question
  96. Dumb oil seal question
  97. Missfiring
  98. Starter/primary seal
  99. Pinon bearing color?
  100. Kickstart release clicking sound
  101. 1989 FLHTC Evo- starter relay
  102. 1990 FLHTC troubleshooting
  103. Breather gear is tight
  104. Fueling lifter failed, cometic valve guide seal issues
  105. Setting timing on my Revtech 88 Easy
  106. Mikuni 42 Float needle
  107. 97 FLT won't start
  108. Cam/gasket/lifter change..final questionaire
  109. 96 Road King wont idle
  110. Regulator voltage too high?
  111. Wide open throttle/load problem?
  112. Ultima R1 carb air bleed jet?
  113. S&S pushrod length?
  114. Spark plug read
  115. Strong vibration
  116. Trying to figure out this extra spacer that came with ultima 6 speed
  117. Cam and lifters
  118. Gearcase oil seal removal
  119. Speedometer goes berserk!
  120. ...yeah I did
  121. 91 FXRS loses engine power when hot
  122. How do I r&r the starter assembly on my 1986 FLHTC
  123. 97 inch EVO
  124. No oil pressure!
  125. Starter issues
  126. Turbo install on a early Evo
  127. Time to dig into the tank?
  128. Need part number for oil pump fitting '98 Evo
  129. Missing and backfiring carb and pipes
  130. 1984 FXST transmission
  131. Throtle binding
  132. Tappet sticking in the tappet block
  133. Evo ignition system rec
  134. Double checking oil filter for '98 FLHTCI
  135. 1995 EVO and Mobil 1 Synthetic Oil
  136. Head CC
  137. Cam change complete
  138. Charging problems
  139. NEEDED: Exhausting answers !~ 98 Dyna
  140. Oil from crankcase go on primary case
  141. Primary noise/whine
  142. Replacement lifters
  143. Need help with solenoid
  144. Stock cam for cam bearing installation
  145. Cleaning and inspection for cam change
  146. Question about noisy lifters
  147. Are all 82-95 switches the same? Seeing different part numbers?
  148. Was wondering what the average cranking pressure in the cylinders is
  149. Specs of 1998 80" Evo Intake studs?
  150. Think I f'ed up my motor-Please help
  151. No oil to the rockers on a 93 EVO
  152. Glowing red
  153. HD engine reman program - at what mileage is it an option?
  154. Cam sensor melting?
  155. Frozen engine
  156. Super Stock ignition trouble shoot
  157. 1988 1340 Evo backfirer
  158. Alternator rotor
  159. That adjustment screw in the clutch
  160. 88 heritage starter
  161. Flasher relay
  162. Another top end/base gasket
  163. Evo lifter noise ... unusual
  164. EVO oil usage
  165. Where is grounding strap located?
  166. Oil pouring out from air filter
  167. WTF is that?
  168. RTFM! How badly did I mess up?
  169. Ign. sensor plate
  170. Help ID part
  171. Replacing clutch cable
  172. 87 Evolution primary chain replacement
  173. Backfire and compensator bottoming out when starting
  174. 1998 Evo cam gasket material?
  175. Mystery crankshaft
  176. Cam lift rocker ratio
  177. Puking tranny
  178. Converting a 97 ultra classic to carb
  179. Engine knocking
  180. 97 Ultra Classic efi problem
  181. Jim's pinion shaft
  182. Won't start compensator bottoms out and bacfires
  183. 2003 Road King died 1/2 mile from home...starter?
  184. Motor number help please pics included
  185. 99 Softail blowing oil
  186. Whining and whistling 99 Evo
  187. Oil does not want to stay in!
  188. Wrist pin length
  189. Looking for suggestions
  190. Reinstalling motor
  191. 94 flstc won't turn over
  192. Camshaft question
  193. Air/fuel ratio gauge
  194. Possibly need new head gasket
  195. 124 s+s blowing oil out crank vent
  196. Iridium plugs
  197. Welding cases
  198. Engine breaking up
  199. Cruise control system removal?
  200. 96 FLHRI missing
  201. Tappet storage
  202. My 80 CID Evo is sprung leaks all over
  203. Missing FXR
  204. Engine cranks over but will not start
  205. Can a brand of oil cause this much destruction?
  206. How many miles cam bearings and lifters
  207. Help! Weird problem
  208. Pre lube woes
  209. Help - major rebuild needed
  210. Igniton problem?
  211. White smoke new EVO build
  212. Retarded Timing = Better MPG? WTF?
  213. Cam question
  214. Fuel line routing question, 88 FXRS
  215. What is this part called?
  216. How MoCo reman isn't what they promise!
  217. lookin for 1 1/2 buckhorns
  218. VOES and RPMs
  219. Need Engine Help/Advice
  220. Tappet Leak - question on repair
  221. Jetting suggestions for S&S 113" W/Super-G
  222. Advice/Help needed, 95 evo
  223. Oil line bolt size?
  224. Hot wire a a bike
  225. Can't restart bike after it reaches operating temperature
  226. 96 Evo push rods, too tight to reassemble?
  227. 1987 XLH Evolution oil pump repair
  228. Primary cover stuck on, tips to break it loose?
  229. Sweaty nose cone
  230. EVO height
  231. Would like to have some info on EVOs
  232. Casebolt Oil Leak on 93 FXR
  233. ? on my evo today
  234. Experience with MoCo reman program?
  235. Leaking above petcock?
  236. Pulled cylinder stud
  237. Compression releases
  238. Normal or not?
  239. Any help would be great! Need some advice
  240. Evolution valve seal?
  241. Oil coming form front exaust port
  242. Used engine: What's it worth?
  243. New to Evo some pointers please
  244. Confused- starter?
  245. Ignition problem
  246. Oil pressure on 96 S&S 0 to 10?
  247. Help with choking/popping issue
  248. Cylinder hissing with no spark plugs
  249. 89 Evo BT no inner cam bearing?
  250. S&S 113 valve cover gaskets