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

: Evolution Engine Technical Discussion


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  1. More scoot in 80in EVO with MM EFI
  2. crackle to exhaust after PC 111 install
  3. Solenoid
  4. Turns over does not start
  5. 883 Sporty issue
  6. 1984 Evo electrical problems
  7. Hard start after sitting in the rain
  8. Reed valve, oil pump rénovations. Whats thé deal
  9. Timer cover holes vertical or horizontal
  10. Do I rehone or rebore cylinders?
  11. Leak behind my primary 1986 FLHTC 5 speed
  12. Oil intermittently puking out of crankcase breather while running
  13. Crankcase stud bolt backing out?
  14. Rattling Evo brake pads
  15. '90 Fat Boy high idle problem… I need help
  16. EVO HEAD Identification
  17. Knock/tap/tic
  18. Early and late EVO pinion gear
  19. evo pinion help
  20. EVO exhaust
  21. Oil pump question
  22. Dumb oil seal question
  23. Missfiring
  24. Starter/primary seal
  25. Pinon bearing color?
  26. Kickstart release clicking sound
  27. 1989 FLHTC Evo- starter relay
  28. 1990 FLHTC troubleshooting
  29. Breather gear is tight
  30. Fueling lifter failed, cometic valve guide seal issues
  31. Setting timing on my Revtech 88 Easy
  32. Mikuni 42 Float needle
  33. 97 FLT won't start
  34. Cam/gasket/lifter change..final questionaire
  35. 96 Road King wont idle
  36. Regulator voltage too high?
  37. Wide open throttle/load problem?
  38. Ultima R1 carb air bleed jet?
  39. S&S pushrod length?
  40. Spark plug read
  41. Strong vibration
  42. Trying to figure out this extra spacer that came with ultima 6 speed
  43. Cam and lifters
  44. Gearcase oil seal removal
  45. Speedometer goes berserk!
  46. ...yeah I did
  47. 91 FXRS loses engine power when hot
  48. How do I r&r the starter assembly on my 1986 FLHTC
  49. 97 inch EVO
  50. No oil pressure!
  51. Starter issues
  52. Turbo install on a early Evo
  53. Time to dig into the tank?
  54. Need part number for oil pump fitting '98 Evo
  55. Missing and backfiring carb and pipes
  56. 1984 FXST transmission
  57. Throtle binding
  58. Tappet sticking in the tappet block
  59. Evo ignition system rec
  60. Double checking oil filter for '98 FLHTCI
  61. 1995 EVO and Mobil 1 Synthetic Oil
  62. Head CC
  63. Cam change complete
  64. Charging problems
  65. NEEDED: Exhausting answers !~ 98 Dyna
  66. Oil from crankcase go on primary case
  67. Primary noise/whine
  68. Replacement lifters
  69. Need help with solenoid
  70. Stock cam for cam bearing installation
  71. Cleaning and inspection for cam change
  72. Question about noisy lifters
  73. Are all 82-95 switches the same? Seeing different part numbers?
  74. Was wondering what the average cranking pressure in the cylinders is
  75. Specs of 1998 80" Evo Intake studs?
  76. Think I f'ed up my motor-Please help
  77. No oil to the rockers on a 93 EVO
  78. Glowing red
  79. HD engine reman program - at what mileage is it an option?
  80. Cam sensor melting?
  81. Frozen engine
  82. Super Stock ignition trouble shoot
  83. 1988 1340 Evo backfirer
  84. Alternator rotor
  85. That adjustment screw in the clutch
  86. 88 heritage starter
  87. Flasher relay
  88. Another top end/base gasket
  89. Evo lifter noise ... unusual
  90. EVO oil usage
  91. Where is grounding strap located?
  92. Oil pouring out from air filter
  93. WTF is that?
  94. RTFM! How badly did I mess up?
  95. Ign. sensor plate
  96. Help ID part
  97. Replacing clutch cable
  98. 87 Evolution primary chain replacement
  99. Backfire and compensator bottoming out when starting
  100. 1998 Evo cam gasket material?
  101. Mystery crankshaft
  102. Cam lift rocker ratio
  103. Puking tranny
  104. Converting a 97 ultra classic to carb
  105. Engine knocking
  106. 97 Ultra Classic efi problem
  107. Jim's pinion shaft
  108. Won't start compensator bottoms out and bacfires
  109. 2003 Road King died 1/2 mile from home...starter?
  110. Motor number help please pics included
  111. 99 Softail blowing oil
  112. Whining and whistling 99 Evo
  113. Oil does not want to stay in!
  114. Wrist pin length
  115. Looking for suggestions
  116. Reinstalling motor
  117. 94 flstc won't turn over
  118. Camshaft question
  119. Air/fuel ratio gauge
  120. Possibly need new head gasket
  121. 124 s+s blowing oil out crank vent
  122. Iridium plugs
  123. Welding cases
  124. Engine breaking up
  125. Cruise control system removal?
  126. 96 FLHRI missing
  127. Tappet storage
  128. My 80 CID Evo is sprung leaks all over
  129. Missing FXR
  130. Engine cranks over but will not start
  131. Can a brand of oil cause this much destruction?
  132. How many miles cam bearings and lifters
  133. Help! Weird problem
  134. Pre lube woes
  135. Help - major rebuild needed
  136. Igniton problem?
  137. White smoke new EVO build
  138. Retarded Timing = Better MPG? WTF?
  139. Cam question
  140. Fuel line routing question, 88 FXRS
  141. What is this part called?
  142. How MoCo reman isn't what they promise!
  143. lookin for 1 1/2 buckhorns
  144. VOES and RPMs
  145. Need Engine Help/Advice
  146. Tappet Leak - question on repair
  147. Jetting suggestions for S&S 113" W/Super-G
  148. Advice/Help needed, 95 evo
  149. Oil line bolt size?
  150. Hot wire a a bike
  151. Can't restart bike after it reaches operating temperature
  152. 96 Evo push rods, too tight to reassemble?
  153. 1987 XLH Evolution oil pump repair
  154. Primary cover stuck on, tips to break it loose?
  155. Sweaty nose cone
  156. EVO height
  157. Would like to have some info on EVOs
  158. Casebolt Oil Leak on 93 FXR
  159. ? on my evo today
  160. Experience with MoCo reman program?
  161. Leaking above petcock?
  162. Pulled cylinder stud
  163. Compression releases
  164. Normal or not?
  165. Any help would be great! Need some advice
  166. Evolution valve seal?
  167. Oil coming form front exaust port
  168. Used engine: What's it worth?
  169. New to Evo some pointers please
  170. Confused- starter?
  171. Ignition problem
  172. Oil pressure on 96 S&S 0 to 10?
  173. Help with choking/popping issue
  174. Cylinder hissing with no spark plugs
  175. 89 Evo BT no inner cam bearing?
  176. S&S 113 valve cover gaskets
  177. Pushrod Question
  178. Late 84 electra glide classic engine noise
  179. slow acceleration
  180. Replaced lifters/low oil pressure
  181. Split VOES pipe - discontinued part
  182. Evo Head Torque - proper process?
  183. Adjustable Push Rod Install question
  184. Bent an Exhaust Valve... How? Why?
  185. Valve / lifter noise question
  186. Oh Yeah! Done and Run!
  187. Oil cooler
  188. 95 FLHT wierd brake light circuit issues
  189. Speedo not reading right
  190. 99 Fatboy sputtering at high rpm
  191. Pinion shaft inner race removal and installation
  192. Nylon parts in engine
  193. Need some troubleshooting help
  194. valve noise.
  195. 96 Evo Timing marks picture, is this right?
  196. 1996 Evo. Need parts identified from Rocker covers or cam/timing cover r?
  197. head work vs bigger pistons and bore?
  198. Exhaust pipes
  199. help......
  200. Nothing
  201. Rocker cover assembly
  202. starter drive extension thru inner primary
  203. Exhaust valve leak question
  204. Friggin valve guide seals are beating me!
  205. Rough Idle and stumble under light throttle
  206. '99 FXST Crankcase Breather Issue
  207. 1996 FLHT Spun Cam Bearing
  208. Base gasket
  209. Timing Cover Removal
  210. White smoke
  211. Primary chain oil
  212. Fouled Plugs
  213. lots of valve noise
  214. over tourqed heads! help
  215. first ride an bike is breaking up bad!!!
  216. 1996 FLHT Lifter adjustment?
  217. Cannot solve cv carb issues
  218. Replace cylinder or not?
  219. 1988 softail custom solenoid plunger boot.
  220. hyper charger on s&s super g
  221. My 1st Fuel Tank Reseal Starts Today
  222. No mufflers affect idle?
  223. Head studs and bolts question
  224. Red Locktite :(
  225. which would be better?
  226. Reading pistons
  227. Fuel valve w/o vacuum shut off
  228. Starter Question
  229. Seems to be running warm.
  230. rocker arm covers
  231. 92 evo clatter
  232. Tuning carb
  233. first time harley evo build
  234. Looks like paint inside fuel tank??
  235. Ring gap question
  236. Possible Rebuild. Issues?
  237. Another Voltage Regulator Question
  238. looking for torque specs. help needed
  239. Evo cylinder installation question
  240. Spring Cleaning/Rebuild
  241. Fuel Knock Hell
  242. Torguing The Heads down.
  243. Piston Ring Installation
  244. One cylinder not working - blowing spark plugs
  245. Dellorto Carb on Evo ?
  246. Lock Tite on engine bolts and nuts?
  247. Doesn't like freewheeling!
  248. Factory Cylinder Studs.
  249. Fuel Issue.
  250. 1992 fxlr let her breath ?