View Full Version : O.S. Engines Support



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

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