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  1. os carbs
  2. O.S. .91fsr low RPMs
  3. engine compression
  4. os surpass fs 120
  5. 95 rv piston removel
  6. 46LA Carburetor Fuel Inlet Nozzle
  7. OS 91 FX Head on a OS 91 SZ-H Engine
  8. OS 120 Surpass Pump
  9. OS .52 FS Unusual Problem
  10. ball on hex screwdriver twisted off in socket head
  11. Torque curve for OS 1.08 FSR or OS .90 FSR ?
  12. OS .90 fs
  13. Os 46vd-p
  14. OS Sirius FR5 300 5 Cylinder lost compression!
  15. OS 91 FX Piston
  16. OS 55 ax problems
  17. OS GF30 adapter nut for Tru-Turn spinner
  18. OS 91 FX problems - need help
  19. OS 91 surpass making a strange popping sound.
  20. OS 91 SII (non-pumped) Idle Mixture Adjustment
  21. Any issues mounting an OS 110a inverted
  22. Os 61 sf abc
  23. 48 Surpass with APC 12x6
  24. 18x8 propeller for GGT15?
  25. O.S. 1.20 AX rebuild
  26. 95AX - Exhaust port on Engine is longer than the Extension?
  27. Scott J.
  28. O.S. Four Stroke Alpha engine discontinued
  29. A Dilemma about Propeller and RPM.
  30. OS 120III Pumped Cam/Cam follower alignment
  31. O.S. Walbro GT15 HZ carburetor part
  32. OS FS-120 Surpass II Rebuild Question
  33. OS FS-70S II parts question
  34. OS 91 FSII Pumped leaks from regulator
  35. OS FS26 valve cover
  36. OS 91 RZ compression
  37. Fuel for break-in of OS Four Stroke engines
  38. OS FL 70 Piston Removal
  39. GF30 Carb leaks around the rotor at the body is this normal?
  40. Origin of OS engines?
  41. OS 90FS and OS91 Surpass in a twin
  42. Upgrade FS-26 to FS-30?
  43. os 52fs coverplate
  44. os fs 200 regulator
  45. New OS GGT15
  46. OS FS-48 bearing questions
  47. Mufflers for older four-cycles
  48. OS 46AX Muffler question
  49. Cam timing on old 91 surpass
  50. 1988 O.S. .21 MAX EXR and O.S. .21 MAX RF Factory Needle Settings HELP?
  51. OS 61sf with a OS fueler system, carb and muffler
  52. Pegasus 240 Questions
  53. Noise?
  54. OS 91 FX at about mid throttle
  55. OS GT15 starting issue
  56. OS carburators
  57. O.S. FS-120SIII - Regulator System Reassembling - Howto
  58. Os rf/ sf
  59. Os 60fp (rn)
  60. on board glow
  61. Would camshaft timing one tooth out cause a F/S engine to run hot?
  62. OS 105HZ-R Engine
  63. 91 Four Stroke Surpass
  64. O.S. Max 77 VR DF
  65. O&S .61 four stroke sleeve removal
  66. OS .91-P Tricky Tune
  67. OS six cylinder Pegasus ??
  68. OS 55AX Piston removal
  69. OS 1.20 Supercharged Parts
  70. Bearing shields
  71. OS FT 300 twin
  72. OS120 FS Destroyed... PLEASE
  73. converting 91 FS II pumped to non pumped carb
  74. GF-30 engine mount
  75. OS 61 SF - Need Drive Washer
  76. poor running fs-30s
  77. OS 110 pumped cracked case
  78. How Low of Idle should a typical 61 FX Engine get?
  79. Can't remove muffler screws OS 32 SX
  80. Idle Screw will not stay set on a 60C Carb.
  81. O.S. FS .61 carb
  82. OS .46 FX Carb Replacement
  83. O.S. FS Series 91 Surpass Weird problem.
  84. Did os ever come with Perry carbs?
  85. T-6010 Tuned Silencer for OS 1.40 - using it on a 1.60
  86. OS 91 Surpass woodruff key
  87. OS Gemini 120 FT
  88. OS Parts for a Tower engine?
  89. GT33 big end bearing replacing
  90. Os 160 twin fuel set up
  91. OS55HZ Hyper Break In
  92. Is max 15cv-x
  93. Gf-30
  94. FT 120 GEMINI 1 glow engine twin cylinder
  95. OS 91 VR-DF square and roud head difference
  96. 95 AX, "mr. deadstick"
  97. O.S. 2B carb
  98. OS 91FX Piston orientation.
  99. OS FS 200 S, Oil in the crankcase
  100. OS 4-stroke Valve Sizes
  101. Os 91 fs
  102. OS FS-90 rear rocker
  103. Os 120 Surpass pumped stuck lifter
  104. OS Mufflers
  105. FT-160 rod removal help, please
  106. Help, I need exhast headder for OS .91FS
  107. OS 91S II Needle Valve
  108. 0% Nitro fuel on AX engines
  109. OS 160 Twin Prop extension
  110. OS FS@-56 fuel leaks at exhaust header pipe
  111. muffler presure heat
  112. Need Carburetor nozzle assembly for OS Max 40 fp
  113. Pressure Fitting O.S. 744 Muffler
  114. Bax, OS 70 FS Carb Question
  115. OS FS-120 Surpass Pumped (late '80s?) Trouble Running
  116. engine power loss
  117. OS 1.20 FS Poor Performance
  118. OS carb part...
  119. Why Do Model Engines Run Backwards Sometimes?
  120. Throttle Lever Assembly 1.08
  121. OS 1.40rx Temperature
  122. O.S. .25 AX
  123. O.S. 120 Surpass Failing after hot.
  124. FT-240 Cam/Crankshaft Timing
  125. MOVED: OS VALVE SPRING WORK IN MAGNUM MOTOR???
  126. MOVED: Marvel Mystery Oil?
  127. OS MAX 21 XZB
  128. os-20fp
  129. help with OS FX 1.60
  130. OS.65 LA fuel leak-help?
  131. OS SX-H Hyper Blowing glow plugs
  132. I can't find a con rod for my CZ.
  133. OS .25 AX
  134. Upgrade for a OS Max 60FP
  135. OS 91 surpass cam bearing removal
  136. Kano Sili Kroil with Silicone
  137. OS 50SX-H Non Hyper
  138. OS SX-H Hyper
  139. 1.08 FSR
  140. OS 10 Question
  141. O.S 18 tz pilot nut??
  142. O.S. 1.08 prop
  143. OS 48 4s question....
  144. OS 7D Carb.
  145. OS GT33 shaft dia 8mm vs 10mm prop hole
  146. OSFxi 46
  147. Parts needed for non surpass OS120fs HELP
  148. OS 120 Surpass Ver. 1 valve clearance
  149. I need help with my OS GT 33 installing it into 27% EDGE 540
  150. tuning v series OS 92 4 stroke
  151. OS Max FS 62V Four Stroke
  152. Old OS61 SE pattern engine
  153. os 55 ax
  154. Delete
  155. MOVED: OS 61FX Piston/Sleeve
  156. "New" OS 55AX ???
  157. Four stroke glow plug
  158. "O" rings for the pushrod tubes?
  159. fr5-300 oil vs fr7-420
  160. MOVED: OS .60 SR muffler
  161. OS FX 91 carb swap
  162. OS 65AX Cover Plate Gasket ???????
  163. OS Rear Bearings Wanted
  164. GT60
  165. O.S. 21VG(P) roto-start question???
  166. After Run Oil and LA Engines
  167. Mid 90's OS FS120 Surpass Break In
  168. FT-240 / FT-300 Connecting Rod
  169. OS52FS Idle Adjust
  170. Oil content in gas and glow??
  171. OS 1.08
  172. OS 155 P
  173. MOVED: OS GT 33 GAS ENGINE
  174. OS TWIN FT 120 GEMINI CAM TIMING
  175. OS TWIN FT 120 GEMINI CAM SETTINGS
  176. OS 95 Help
  177. OS 75AX rebuild- question for Bax
  178. 55AX mid throttle issues, fixed I think
  179. After Run Oil into a 4 Stroke
  180. O.S. Gemini 120 twin
  181. OS 95V FS Prop Choice
  182. Engine Mount dimensions needed for OS FS 155-a
  183. Problems with O.S. 91 Surpass II w/pump
  184. 55 ax: Bubbles? Help Diagnose, Please!
  185. OS Surpass 91
  186. Stripped back plate threads
  187. 120 Surpass won't Start after rebuild
  188. FS-120 Connecting Rod
  189. After-Run Oil Chemical Question
  190. 55 ax enough power?
  191. front seal drips
  192. O.S. .25 SF (circa '92) Manual or Part # Needed
  193. inverted four stroke
  194. Bad O-Rings on two 61FX Engines.
  195. 1.20 AX
  196. os 46AX II Carburetor
  197. Engine Information
  198. OS FS-60 Carb
  199. Inverted OS 91 4 Stroke Surging
  200. OS 46AX Shaft Play
  201. OS .91FS Surpass I back plate
  202. OS70s throttle arm ring disconnect
  203. os46AX high speed needle
  204. MOVED: O.S. GT33 Muffler
  205. Purchase GT gas engines without mufflers?
  206. OS 91 FS Muffler
  207. OS FS-90 NON SURPASS UNKNOWN PARTS
  208. OS MAX .25 carb/throttle action
  209. OS FS 70 Ultimate
  210. OS 55AX Noisy
  211. OS91 4 Stroke Compession
  212. Unrun .75 AX
  213. OS 110 driveshaft slop
  214. OS120AX quit & wouldn't restart
  215. HELP RE: OS 40 FP NEEDLE VALVE ASSEMBLY
  216. AX Motors in general
  217. OS 120 AX and black exhaust oil
  218. OS 91 Surpass valve keeper?
  219. OS 40 FSR
  220. Is this an older OS Carburetor ?
  221. FS-120S II
  222. os la 40 WILL NOT stay running
  223. OS .40 FP
  224. O.S. 61 SF
  225. OS 81a
  226. OS GT33 spark plug gap
  227. 55 AX low needle setting
  228. OSMG 2854 Muffler for FS.26
  229. 1978 os 90 fsr rebuiold questions
  230. OS 46 rear bearing replacement
  231. Prop Nut Loosens
  232. Help to ID OS Cylinder Head ?
  233. os max 25 part #s and rebuild info
  234. 75 ax dies out
  235. 75 ax dies out at mid range
  236. OS 35 AX Breakin
  237. OS FS-120 Series 1
  238. peeling sleeve on 75ax
  239. O.S. 1.60 Gemini Disassembly
  240. O.F 25 F
  241. Powerbox Muffler and OS 61FX
  242. OS .21 TM Engine
  243. MOVED: OS fs 70 Surpass
  244. OS FS.52 Surpass / Pitts Muffler
  245. 91 FS tuning problem
  246. OS 65AX & exhaust length
  247. 120 surpass II pumped
  248. OS 90FS parts needed
  249. Fuel valve for OS 120
  250. O.S. .40 FP piston/liner

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