View Full Version : Sportster Motorcycle Engine Conversions


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  1. Bike Value after Conversion
  2. HD Piston Question
  3. kb pistons...mild 1200 upgrade questions
  4. Nrhs
  5. How's this combination ?
  6. stock 1200 vs NRHS 1200 conversion?
  7. Rubbermount_EVO intake flanges on heads....
  8. Baisley left side XR heads
  9. 2009 sportster 883 to 1200 kit
  10. The reason for the project ( big XL )
  11. 100" Xl?
  12. Here we go...
  13. Rubbermount_EVO Problems with back cylinder
  14. 1200 motor with 883 heads? also high comp. pistons and andrews v6 cams
  15. High(er) mileage conversions
  16. '09 883L vs 883C gearing??
  17. 883-1200 conversion problems
  18. Rigid_EVO Newer Panster/Shovesters?
  19. Rigid_EVO Important! Wrist Pin C clip question? Missing clips.
  20. Rigid_EVO Got to see it to believe it! Oil seeping out head.
  21. NRHS Conversion
  22. conversion
  23. 2009 883 conversion
  24. Squish Question
  25. Thought I just stripped a screw on my cylinder head
  26. Rubbermount_EFI 88 inch EFI motors??? Anyone...done it YET!!!
  27. Rubbermount_EVO 1250 conversion
  28. 250 miles into break in on new conversion
  29. Conversion article...
  30. S&S 89" hot set-up kit with heads
  31. Its Alive!!!!!!
  32. Rigid_EVO Engine Conversion and Headlight and Front Running Lights Burning out?
  33. I Was Told Conversion Must Have Hds
  34. S&S 89" stroker kit & compression ratio? need help to decide :-(
  35. American Cycle 1200 conversion
  36. Buell top end on "91 883
  37. 97 buell S1 Lightning winter project
  38. Would I be disappointed?
  39. PCIII maps for 1250cc
  40. 38 Horse Power & Heart Broken :(
  41. new rev limit
  42. 1100 to 1200
  43. advice on 883 to 1200 conversion
  44. OLD 883 -1200 conversion and results
  45. Rubbermount_EVO What kind of difference will I notice with w cams?
  46. Conversion question. Assembly oil or motor oil?
  47. Plain Vanilla Pulls Hard...just Do It
  48. Daytona 200
  49. Monster Sportster
  50. Rubbermount_EVO Which year cases fit in a 2004 rubber mount?
  51. 04 sportster waht to do with map sensor
  52. Sportster serges
  53. Red Shift Cams
  54. 02 1200 Won't start after storage
  55. Started my break in today
  56. Busa Killing Sportster
  57. Advice on starting after conversion
  58. Dyno Hand Grenade? 214HP XL
  59. Big twin vs Sportster
  60. Rubbermount_EVO N4 install on a 2005 883
  61. Engine Front
  62. Supercharger ( Again ? )
  63. Rigid_EVO 1200 conversion... feelin nervous...
  64. S&S cases capacities
  65. Joe average asks a qst
  66. Rigid_EVO Screwed up Bob Woods W8S Cam Dyno install Part II
  67. Good Price for 1200 Conversion
  68. Rear cylinder oil leak
  69. Ok saving 4 1200 need advice
  70. Rigid_EVO i need a little advice with my engine build
  71. Rigid_EVO Report on my build.
  72. NRHS 1250 on completely stock 02 883c
  73. fuelpak??
  74. 883 - 1250 Questions
  75. Is it worth it???
  76. I'm getting frustrated...
  77. Got my Kit today
  78. if you were me??
  79. Rigid_EVO Santee ‘Tommy Guns’ 2-into-1?
  80. Rigid_EVO Weird SE IGN Timing Question After conversion...
  81. Last pics of "The Hammer" 1991
  82. New Guy, building a 100hp 1200, got some questions
  83. IT RUNS!!! but....
  84. Dyno-tuned my Conversion
  85. manuals
  86. Rubbermount_EVO 883 to 1200 project complete
  87. conversion breakin rides begin..
  88. Crazy question for Aaron Wilson.
  89. Newb needing some help, Slight burning oil smell (i think)
  90. 1212 and cams..... or not???
  91. checking squish
  92. Wow you guys, I mean...wow.....
  93. Are these pistons any good?
  94. Rigid_EVO 883 to 1200 what other parts do i need
  95. best year evo Sportster to build?
  96. What cams?
  97. break in oil change
  98. 883 to 1200 balc.
  99. What is Stage 1, Stage 2 and Stage 3?
  100. To Stroke or not to Stroke
  101. NRHS 1250 kit fitted
  102. 88" carb jetting question
  103. big engines and small noise
  104. Rigid_EVO Backfire when starting
  105. Conversion Done
  106. colder spark plugs?
  107. Rigid_EVO Priceless A/F Guage... no more dyno $$$
  108. converting with stock 1200 pistons
  109. stock ignition
  110. good price for a conversion?
  111. 1250 Conversion almost complete
  112. Rigid_EVO 883 Conversion Advice
  113. Break-In Procedure?
  114. after conversions, do have oil consumption problems?
  115. Rubbermount_EFI 1250 conversion ??????
  116. Do I need a different intake to mount a mikuni
  117. conversion piston choices.
  118. New Engine
  119. 2004 88" done. I got turn and no burn
  120. v-twin manufacturing 1200 conversion kit.
  121. Help Needed Pinion Gear Removal
  122. Solvent?
  123. 1250 ping?????
  124. Holy Conversion Batman!!!
  125. 214 HP sportster ( now 220 HP )
  126. Jetting for S&S 89" hot set-up kit...
  127. Conversion Complete
  128. problems with Screaming Eagle 1200 conversion
  129. Squish Band Question?
  130. 90" conversion update - 2 years in, still tweaking...
  131. 1250 Temperatures
  132. Jetting or ignition after conversion ?
  133. efi 1212 conversion
  134. 1250 Conversion / Starter Issues..
  135. Polished Crankcase & heat issues
  136. Squish Clearances
  137. How Do I Tell? Obvious Signs of Conversion
  138. 1250 Ignition & the TC88A Questions
  139. 883/1200 conversion places
  140. Red Baron Choppers 883 > 1200 conversion kit
  141. Need to know what jet.
  142. Rigid_EVO big bore kit
  143. Rubbermount_EVO heads
  144. High speed gearing
  145. 1250 conversion requirments
  146. how to seat rings
  147. Sportster 883 To 1200 Conversion Using Screaming Eagle Parts
  148. Gas milage after conversion?
  149. cam types
  150. SE Cam Part Numbers
  151. TS heads wonder !
  152. 2006 1200 Motor Build NEED HELP!!!!
  153. 536 Cams-25649-01A
  154. All 88 and 90 inchers stand up
  155. 883-??????
  156. 1998 buell x3 to 1992 1200 xl
  157. Thuderstorm heads
  158. Bunch of questions
  159. is it here yet...............how about now!!
  160. Conversion ideas..
  161. 1212 vs. 1250 from nrhs
  162. Taking the conversion plunge!
  163. NRHS and canadians
  164. bought a "converted bike"
  165. Anyone running se 575 or 551 cams?
  166. Any Good Dyno Tuners in PA ?
  167. Additional Heat and More Gas?
  168. Thunderstorm conversion tips wanted
  169. Rigid_EVO Gasket thickness vs pushrod length vs cam height differences?
  170. new intake gaskets?
  171. 04 883-1200 screaming eagle conversion road test
  172. Compression???
  173. weisco pistons
  174. Tuning help for 1250 conversion...
  175. fuel injected buell engine in rubbermount
  176. Starting NRHS Conversion on a 1200!!!
  177. Rigid_EVO questions
  178. Rocker Cover Screw Removal
  179. rubbermount mod
  180. long rod 1250 or a XB12 bottom end
  181. Wondering about a compromise
  182. More 88" stories
  183. Screamin Eagle Piston 22698-01
  184. Dropped piston during 1250 conversion
  185. oil return lines
  186. Rubbermount_EVO Another 883 to 1200 Conversion Question!
  187. started first time but...
  188. Thunderstorm parts are in
  189. power commander on conversion
  190. Chirp/knock from Carb.
  191. 1200 cly
  192. Conversion Complete!
  193. Rubbermount_EFI I need some help
  194. best way for 100hp
  195. 88" turbo EFI motor possible???
  196. Rubbermount_EFI 883-1200 conversion-help ??
  197. Jesse's Best Head/Cam Performance Combo's
  198. Rubbermount_EFI Does anyone make a carb conversion kit?
  199. Jesse's best 1200/1250 performance combinations
  200. Rubbermount_EVO 1212 Stage One NRHS or 1250 kit?
  201. Oil dipstick topped 260 degrees during break in
  202. Edelbrock Kit Observations
  203. Oil Temps etc.
  204. converting 86 evo
  205. Thunderstorm Conversion done!
  206. compression not nice on starter.
  207. anyone get their 1250 kit put on in connecticut?
  208. 1250 kitt
  209. Using oil
  210. using 883 ignition on 1250 conversion
  211. "08 883XLC t0 1200 conversion
  212. 01 1200 conversion
  213. 88" mikuni jetting
  214. 01 1200 Conversion Dyno results
  215. 883 conversion simplified for a newby
  216. Will this combo work for a 1200 conversion?
  217. Rigid_EVO Help w/99 buell motor into 94 sportster install
  218. Rigid_EVO Exhaust/Air Cleaner Suggestions from chart?
  219. Zippers performance vs. NRHS Performance
  220. STD heads
  221. What next?
  222. Screamin Eagle Ignition
  223. Metallic "clinking" noise
  224. Wisconsin dyno tuners suggestions?
  225. Best 1200 conversion for street!
  226. Can I go any further from here?
  227. Can someone run a compression test...
  228. Engine temp sensor
  229. se 1200 question
  230. Is there a paper element cross reference for Hurricane Flow AC?
  231. Big Bore cylinders
  232. SA cases
  233. Rubbermount_EFI 09 883-1250
  234. Rigid_EVO How big can I go?
  235. 1250 Done now some q's
  236. I have a set of Sputh Rings 3.785" anybody want them?
  237. 81 ironhead help
  238. Miles Per Gallon after 883 to 1200 conversion?
  239. Other 883 - 1200 kits
  240. need to wake the 1200 up
  241. Cam or more cc's?
  242. Oil to use for breakin?
  243. 1200 conversion top end ticking
  244. Rubbermount_EFI Pinging/ignition Map/sert
  245. S&S heads
  246. Rigid_EVO 883-1200 Conversions in the UK
  247. Compression
  248. Help identify these SE cams
  249. Noisy Top End
  250. Rubbermount_EVO Pinging?