View Full Version : O.S. Engines Support



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  1. O.S. 1.60 Gemini Disassembly
  2. O.F 25 F
  3. Powerbox Muffler and OS 61FX
  4. OS .21 TM Engine
  5. MOVED: OS fs 70 Surpass
  6. OS FS.52 Surpass / Pitts Muffler
  7. 91 FS tuning problem
  8. OS 65AX & exhaust length
  9. 120 surpass II pumped
  10. OS 90FS parts needed
  11. Fuel valve for OS 120
  12. O.S. .40 FP piston/liner
  13. O.S 120 AX cooling question
  14. What Engine Size
  15. OS 15FP Prop Nut
  16. TDC Pinch getting "worse"?
  17. BX-1 (1.08 FSR?) drive washer needed
  18. OS 40 SF
  19. OS .91 problem
  20. OS FS-120S-E
  21. ENGINE STORAGE QUESTION PLEASE.
  22. FS-120III Disassembly
  23. OS Wankel 30's
  24. OS .91 FX Over heating Problem
  25. Fuel tube size for 95AX and 1.20AX
  26. OS 46 FX
  27. OS 55AX and pitts muffler
  28. OS FS200- Carbi Reversal Issue
  29. 120 4 stroke
  30. cylinder head 50 heli
  31. OS Max Muffler Replacement
  32. OS 120AX
  33. FS-200S-P Leaking Pressure Regulator
  34. OS FT-160 Choke assembly pad
  35. O.S.61SF
  36. How to disassemble O.S. 140 RX
  37. FS120 Surpass III Question
  38. OS FSA 110 Problem
  39. 1.08 Carb
  40. 2 OS fs.91 mufflers with worn threads-Problem & fix?
  41. FT-160 Twin in Vario Boxer Heli
  42. MOVED: Need OS SF "P" 61 Engine Box
  43. O.S. 1984 FS-120 Before Surpass ( Looks like a Saito)
  44. MOVED: 1984 O.S. FS-120 (Before Surpass)
  45. OS 55ax
  46. Nozzle assemblies for 40FP and 25FP
  47. OS61SF ABC Pumped Won't Idle
  48. Muffler nut size for OS 46LA stock muffler
  49. OS95 AX vs OS120AX
  50. pump for OS 91 fx
  51. OS 61 Heli - Aircraft ?
  52. OS 40 VR-P Cylinder head
  53. OS .95V In-Cowl Exhaust Header Pipe
  54. servicing 120 Surpass III pump
  55. a 61fx thing
  56. .65LA preset for airbleed
  57. Klotz oil
  58. O.S. .91 surpass II not reaching top RPM
  59. OS 60 with Perry carb and pump, help!
  60. .46 LA Muffler on .46 AX
  61. OS FS120 Surpass-E or FS110a
  62. O.S. 91 Surpass - New - loads up/stops
  63. BGX3500 prop and cone
  64. OLd OS 25 max
  65. NEEDle valve bracket, remote setup BGX
  66. st-15 engine replacement
  67. OS 120 lll Pump
  68. os FS-120 surpass
  69. Problem with FS91SII
  70. FT-120 Gemini II
  71. OS MAX 15 fuel consumption
  72. OS FS-200 distance to engine
  73. up side down
  74. OS81 FSa Pumped Main needle sensitivity
  75. os 55 ax connecting rod problem
  76. Head Bolts on 75 ax
  77. OS fs 48 Surpass running problem
  78. Will an OS 46FX piston/liner fit an OS 40FX engine?
  79. OS Max .61FX Muffler
  80. MOVED: 21204310 .12 buggy head???
  81. OS FL70 front bearing removal
  82. OS Exhaust Headers
  83. MOVED: OS 120 Surpass 2, where do I get spares?
  84. Engine getting too hot
  85. OS 91 FS Pump not pulling fuel. Help?
  86. motor mount problem
  87. OS 46 FX Question for Bax.
  88. os 55 ax carburetor
  89. OS FS110a Low rpms ?
  90. os fs-48 Surpass my first 4 stroker tear down
  91. OS SX 50 H-ring...little help please..
  92. BAX 95AX question
  93. OS 61 FX
  94. OS 120 Surpass FS Series
  95. CV Technology
  96. 61fx or 75fx
  97. Lower Pitched Prop on OS 46FX
  98. Difference between OS E-3020 and E-3070 Silencer
  99. Pumped OS FS-91 surges at full throttle
  100. OS 70 Surpass
  101. FX-25 vs AX-25
  102. OLDER OS FS 90/91 METAL THROTTLE ARM
  103. O.S. 1.20 FS Surpass III
  104. O.S. 1.60FX Pusher
  105. OS 46SF low end needle setting
  106. .46AX frame size
  107. help id this OS engine heatsink
  108. o.s .25xz break in procedure
  109. OS 120 head replacement
  110. OS FS120 SE head question
  111. Fs 90 bearing replacement
  112. OS .10 Piston Pin
  113. error
  114. 46 AX engine
  115. OS .18TM Piston "damage?"
  116. OS 15CV-X - ticking noise
  117. OS 1.08 Tuning
  118. older os 91 fx intregal backplate mounted nva
  119. OS 18tm questions
  120. MOVED: OS FS-90 Manual
  121. Pullstart motor with non-pullstart flywheel
  122. Manual needed
  123. Os 55ax midrange problem
  124. OS 46 AX knock
  125. older os 40fs
  126. Flexible Exhaust pipes
  127. OS Max 60 FP Needle Valve
  128. OS 4 stroke muffler extension ?
  129. OS 91FX tunning problem
  130. OS 120FSIII gasket
  131. Old O.S. FS90
  132. OS FSa-155-P 4 stroke. When?
  133. OS 108
  134. FS-120S III-P CRANKSHAFT PROBLEM
  135. OS FS 91SII w/ pump question
  136. OS FX 160 lean
  137. OS 52 Exhaust Pipe
  138. OS FS - .91 Surpass II Muffler Inlet Pipe Breakage
  139. OS 110a Pitts!
  140. OS 4 stroke 110 prop
  141. OS 1.08 Props
  142. o.s. sf 60 cam an valve setting
  143. OS 55AX keeps cutting out in mid-range
  144. OS 61 CAM COVER NEEDED>>>
  145. o.s. sf 60 cam an valve setting
  146. MOVED: OS 20 FS SOS - part wanted
  147. OS 70 carb
  148. Sirius 7 Radial Four Stroke
  149. OS10LA fuel draw
  150. BGX Installation ?
  151. OS 200 FS Non Pumped Top end issue
  152. OS MAX 15 PARTS WANTED>>
  153. MOVED: I also purchased a Bo-Link 13 inch Funny Car
  154. head screws for os
  155. FR5-300 bearings
  156. OS 61 MAX SF
  157. OS 1.60 FX
  158. 55AX rear bearing?
  159. Timing mark position relative to crank pin on my FS .26 Surpass
  160. OS 90FS stuck pushrod
  161. OS 70 FS Engine
  162. OS 55ax mid range tuning
  163. Air cleaners
  164. Vintage FT-300 Question
  165. OS 50 Hyper and 30% nitro
  166. o.s. 40 la o.s max
  167. 46 FX default idle screw position
  168. FS-120SIII Pumped
  169. An OS 50sx question
  170. OS 91 FS surpassII pumped
  171. MOVED: Drive washer for .40SF
  172. .40FSR
  173. OS 4 cycle 120 III pump Version
  174. Is the 120 III pump bad?
  175. Old ft120 carburator and very old 120 cylinder head.
  176. UPDATED QUESTION - OS 120AX NEEDLE HELP
  177. FS-91S No Pump, Needle Valve Setting
  178. OS .91 Surpass (old) replacement carb
  179. OS.75 Knocking
  180. O.S. maxx 25 fp
  181. O.S. SF FX
  182. OS 26
  183. OS.55AX Thortle problem
  184. OS FS 110 MUFFLER
  185. plane for os.10
  186. 120ax
  187. 75AX/95Ax same Power Box Muffler ??
  188. crankshaft movement after bearing replacement
  189. what engine for OS A3 glow plug.
  190. OS.75AX 90* muffler adapter
  191. Os engine suggestion
  192. OS 46FX Throttle body repair
  193. OS 160 Gemini Propeller Spacer
  194. O.S. 61 sx-h cylinder head replacement
  195. MOVED: OS 90 parts
  196. MOVED: I am getting on a plane to Japan for OS support
  197. OS Engines Target RPM
  198. Rear Bearing replace 46fx
  199. os.18cv-r
  200. Os Alpha 4 strokes Rusted Bearings!!
  201. OS 81a FS props
  202. OS FS-91S needle setting
  203. 120 Gemini II reassembly
  204. OS 91 Surpass Muffler Pipe Breaks...
  205. bgx 3500
  206. .70 Surpass II
  207. rc engine crankcase bearings when to replace?
  208. New To OS Please Help.
  209. OS bearings
  210. Who can tell the the HS position on OS 110-P
  211. noisy engine
  212. 46AX problems
  213. OS 120
  214. MOVED: OS OR MAGNUM 4 STROKE INVERTED
  215. GT55 Propeller Drill Fixture
  216. BGX question for BAX
  217. Is large diameter fuel tubing absolutely needed ?
  218. OS 75AX Break-in Procedure
  219. FS-81a manual
  220. 120 surpass III bogs down on full
  221. MOVED: replacement engine for tamiya nitro thunder
  222. what os engine is compatible with tamiya nitro thunder
  223. OS Ft-160 Twin PROBLEMS
  224. OS FT-300 Exhaust
  225. OS 91 Surpass P
  226. OS 61 FX carb
  227. OS carb change
  228. Engine screams with throttle closed, crack/air leak?
  229. .91 crankshaft part number.
  230. OS FS200 typical RPM?
  231. OS 200FS lost compression
  232. os .18 tm problem
  233. OS61RF pump exploded view
  234. 91fx piston cleaning
  235. turbo plugs
  236. OS FS-80 - anno 1982 version
  237. OS21tm Crank
  238. 91FX getting hot
  239. OS 91 FS Surpass Prop.
  240. OS 91 Surpass II
  241. muffler
  242. O.S. .120 Surpass Retrofit
  243. OS 120 surpass E plumbing??
  244. OS 4 Stroke valve kit
  245. OS 91 S II
  246. Difference between Surpass and Surpass II?
  247. OS 61 MAX SF
  248. OS91 heli engine cutting at mid power
  249. Os 91 Fx
  250. OS 46fx

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