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

: Evolution Engine Technical Discussion


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  1. Timing reminder
  2. Compression release should pop when?
  3. Red glowing pipes.
  4. Cam and points cover gasket
  5. Pushrod diameter?
  6. Ticking time bomb?!?!?
  7. White/Grayish smoke
  8. Carb fuel inlet
  9. Throttle problem
  10. Broken pressure fitting in block
  11. Pushrods
  12. 110 oil dump
  13. Yet another newb oil question
  14. Oil pump shaft clip
  15. Steping up, 80 vs 88"
  16. Stripped head studs
  17. Bike charges only when headlight is out
  18. Motor factory ignition settings & diagram
  19. SE ign modual 32655-98
  20. Starter or electrical?
  21. 1997 Dyna FXDL S&S Super E addition
  22. Bottom end rebuild? Maybe? Input appreciated
  23. Is it really the starter?
  24. Evo engine starter question
  25. Oil on right side of bike, figured out why, need advice please!
  26. S&S inner cam bearing
  27. Cam position sensor melting. To replace or not to replace
  28. Oil on right side of bike, don't know why?
  29. Question about head gaskets
  30. Twin cam air cleaner on an evo
  31. Evo cam bearing
  32. Need help bad blow by/oil coming out of carb on 98 Fatboy
  33. Backfiring from front cylinder, over fueling?
  34. 89 EVO crank faliure
  35. Case paint?
  36. Case Paint?
  37. Head gasket's failure
  38. Rear cylinder overheating ... bad
  39. 1989 Evo top end rebuild
  40. Evo startup issues
  41. 93 EVO to Dyno or not
  42. 9 digit vin stamped on case?
  43. Starter issues on 80"Evo
  44. Cracked evo case - need advice/opinions
  45. Engine flutters, loses power
  46. S&S IST ignition?
  47. Extra spark when turning off key switch?
  48. Cheap Books
  49. Evolution engine swapping
  50. Petcock won't shut off
  51. Broken speedo cable ends?
  52. Cam give away
  53. Freshin up the Dyna, need help
  54. Motor is done
  55. Please help me pick a cam
  56. Lifter roller bad need advice
  57. Twin Cam in Evo frame
  58. Evo motor smokes
  59. Jackshaft out of alignment
  60. CV carb help
  61. Starter issues
  62. Starting a 97" Evo
  63. Need help please
  64. What is going on with this ignition
  65. Engine knock and oil light comes on at idle when hot
  66. please help a little smoke
  67. New to harley HELP please
  68. Bike Sat Now Burns Oil
  69. 95 Evo rear jug knock?
  70. 99 FXSTC strange noises, oil has air bubbles
  71. Air/fuel ratio question
  72. Engine whine 3
  73. EVO - any "bad" years?
  74. Jetting and spark plug evaluation
  75. Need to oil soak lifters?
  76. At 61k, '97 Evo ready to blow
  77. Engine whine 2
  78. Very Evasive Problem
  79. Slobbering
  80. Stop me before it's too late
  81. Spit, stutter and miss
  82. Confessions of a bad wrench
  83. Tappet oiling
  84. Noob question about plug wires
  85. Engine whine
  86. Evo oil problem
  87. Evo puking oil out while cranking
  88. Question about head gasket replacement
  89. 1985 FLT starter relay
  90. Replacing OEM header pipes with True Duals
  91. ECM to carburetor
  92. Crazy speedo
  93. Softail maintenance
  94. 95 Road King
  95. Oil temp question
  96. Lost power
  97. 87 XLH Sportster 883
  98. Evo bottom end
  99. My 97 Dyna Lowrider will not start/floods out.
  100. Timing or carburetor adjusted wrong?
  101. 1987 Evo motor an OK year?
  102. Another oil breather puke thread
  103. Comp cams
  104. NOT another pinion & cam gear question!.. Or is it?
  105. More scoot in 80in EVO with MM EFI
  106. crackle to exhaust after PC 111 install
  107. Solenoid
  108. Turns over does not start
  109. 883 Sporty issue
  110. 1984 Evo electrical problems
  111. Hard start after sitting in the rain
  112. Reed valve, oil pump rénovations. Whats thé deal
  113. Timer cover holes vertical or horizontal
  114. Do I rehone or rebore cylinders?
  115. Leak behind my primary 1986 FLHTC 5 speed
  116. Oil intermittently puking out of crankcase breather while running
  117. Crankcase stud bolt backing out?
  118. Rattling Evo brake pads
  119. '90 Fat Boy high idle problem… I need help
  120. EVO HEAD Identification
  121. Knock/tap/tic
  122. Early and late EVO pinion gear
  123. evo pinion help
  124. EVO exhaust
  125. Oil pump question
  126. Dumb oil seal question
  127. Missfiring
  128. Starter/primary seal
  129. Pinon bearing color?
  130. Kickstart release clicking sound
  131. 1989 FLHTC Evo- starter relay
  132. 1990 FLHTC troubleshooting
  133. Breather gear is tight
  134. Fueling lifter failed, cometic valve guide seal issues
  135. Setting timing on my Revtech 88 Easy
  136. Mikuni 42 Float needle
  137. 97 FLT won't start
  138. Cam/gasket/lifter change..final questionaire
  139. 96 Road King wont idle
  140. Regulator voltage too high?
  141. Wide open throttle/load problem?
  142. Ultima R1 carb air bleed jet?
  143. S&S pushrod length?
  144. Spark plug read
  145. Strong vibration
  146. Trying to figure out this extra spacer that came with ultima 6 speed
  147. Cam and lifters
  148. Gearcase oil seal removal
  149. Speedometer goes berserk!
  150. ...yeah I did
  151. 91 FXRS loses engine power when hot
  152. How do I r&r the starter assembly on my 1986 FLHTC
  153. 97 inch EVO
  154. No oil pressure!
  155. Starter issues
  156. Turbo install on a early Evo
  157. Time to dig into the tank?
  158. Need part number for oil pump fitting '98 Evo
  159. Missing and backfiring carb and pipes
  160. 1984 FXST transmission
  161. Throtle binding
  162. Tappet sticking in the tappet block
  163. Evo ignition system rec
  164. Double checking oil filter for '98 FLHTCI
  165. 1995 EVO and Mobil 1 Synthetic Oil
  166. Head CC
  167. Cam change complete
  168. Charging problems
  169. NEEDED: Exhausting answers !~ 98 Dyna
  170. Oil from crankcase go on primary case
  171. Primary noise/whine
  172. Replacement lifters
  173. Need help with solenoid
  174. Stock cam for cam bearing installation
  175. Cleaning and inspection for cam change
  176. Question about noisy lifters
  177. Are all 82-95 switches the same? Seeing different part numbers?
  178. Was wondering what the average cranking pressure in the cylinders is
  179. Specs of 1998 80" Evo Intake studs?
  180. Think I f'ed up my motor-Please help
  181. No oil to the rockers on a 93 EVO
  182. Glowing red
  183. HD engine reman program - at what mileage is it an option?
  184. Cam sensor melting?
  185. Frozen engine
  186. Super Stock ignition trouble shoot
  187. 1988 1340 Evo backfirer
  188. Alternator rotor
  189. That adjustment screw in the clutch
  190. 88 heritage starter
  191. Flasher relay
  192. Another top end/base gasket
  193. Evo lifter noise ... unusual
  194. EVO oil usage
  195. Where is grounding strap located?
  196. Oil pouring out from air filter
  197. WTF is that?
  198. RTFM! How badly did I mess up?
  199. Ign. sensor plate
  200. Help ID part
  201. Replacing clutch cable
  202. 87 Evolution primary chain replacement
  203. Backfire and compensator bottoming out when starting
  204. 1998 Evo cam gasket material?
  205. Mystery crankshaft
  206. Cam lift rocker ratio
  207. Puking tranny
  208. Converting a 97 ultra classic to carb
  209. Engine knocking
  210. 97 Ultra Classic efi problem
  211. Jim's pinion shaft
  212. Won't start compensator bottoms out and bacfires
  213. 2003 Road King died 1/2 mile from home...starter?
  214. Motor number help please pics included
  215. 99 Softail blowing oil
  216. Whining and whistling 99 Evo
  217. Oil does not want to stay in!
  218. Wrist pin length
  219. Looking for suggestions
  220. Reinstalling motor
  221. 94 flstc won't turn over
  222. Camshaft question
  223. Air/fuel ratio gauge
  224. Possibly need new head gasket
  225. 124 s+s blowing oil out crank vent
  226. Iridium plugs
  227. Welding cases
  228. Engine breaking up
  229. Cruise control system removal?
  230. 96 FLHRI missing
  231. Tappet storage
  232. My 80 CID Evo is sprung leaks all over
  233. Missing FXR
  234. Engine cranks over but will not start
  235. Can a brand of oil cause this much destruction?
  236. How many miles cam bearings and lifters
  237. Help! Weird problem
  238. Pre lube woes
  239. Help - major rebuild needed
  240. Igniton problem?
  241. White smoke new EVO build
  242. Retarded Timing = Better MPG? WTF?
  243. Cam question
  244. Fuel line routing question, 88 FXRS
  245. What is this part called?
  246. How MoCo reman isn't what they promise!
  247. lookin for 1 1/2 buckhorns
  248. VOES and RPMs
  249. Need Engine Help/Advice
  250. Tappet Leak - question on repair