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

: Evolution Engine Technical Discussion


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