View Full Version : O.S. Engines Support



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  1. OSMG 2854 Muffler for FS.26
  2. 1978 os 90 fsr rebuiold questions
  3. OS 46 rear bearing replacement
  4. Prop Nut Loosens
  5. Help to ID OS Cylinder Head ?
  6. os max 25 part #s and rebuild info
  7. 75 ax dies out
  8. 75 ax dies out at mid range
  9. OS 35 AX Breakin
  10. OS FS-120 Series 1
  11. peeling sleeve on 75ax
  12. O.S. 1.60 Gemini Disassembly
  13. O.F 25 F
  14. Powerbox Muffler and OS 61FX
  15. OS .21 TM Engine
  16. MOVED: OS fs 70 Surpass
  17. OS FS.52 Surpass / Pitts Muffler
  18. 91 FS tuning problem
  19. OS 65AX & exhaust length
  20. 120 surpass II pumped
  21. OS 90FS parts needed
  22. Fuel valve for OS 120
  23. O.S. .40 FP piston/liner
  24. O.S 120 AX cooling question
  25. What Engine Size
  26. OS 15FP Prop Nut
  27. TDC Pinch getting "worse"?
  28. BX-1 (1.08 FSR?) drive washer needed
  29. OS 40 SF
  30. OS .91 problem
  31. OS FS-120S-E
  32. ENGINE STORAGE QUESTION PLEASE.
  33. FS-120III Disassembly
  34. OS Wankel 30's
  35. OS .91 FX Over heating Problem
  36. Fuel tube size for 95AX and 1.20AX
  37. OS 46 FX
  38. OS 55AX and pitts muffler
  39. OS FS200- Carbi Reversal Issue
  40. 120 4 stroke
  41. cylinder head 50 heli
  42. OS Max Muffler Replacement
  43. OS 120AX
  44. FS-200S-P Leaking Pressure Regulator
  45. OS FT-160 Choke assembly pad
  46. O.S.61SF
  47. How to disassemble O.S. 140 RX
  48. FS120 Surpass III Question
  49. OS FSA 110 Problem
  50. 1.08 Carb
  51. 2 OS fs.91 mufflers with worn threads-Problem & fix?
  52. FT-160 Twin in Vario Boxer Heli
  53. MOVED: Need OS SF "P" 61 Engine Box
  54. O.S. 1984 FS-120 Before Surpass ( Looks like a Saito)
  55. MOVED: 1984 O.S. FS-120 (Before Surpass)
  56. OS 55ax
  57. Nozzle assemblies for 40FP and 25FP
  58. OS61SF ABC Pumped Won't Idle
  59. Muffler nut size for OS 46LA stock muffler
  60. OS95 AX vs OS120AX
  61. pump for OS 91 fx
  62. OS 61 Heli - Aircraft ?
  63. OS 40 VR-P Cylinder head
  64. OS .95V In-Cowl Exhaust Header Pipe
  65. servicing 120 Surpass III pump
  66. a 61fx thing
  67. .65LA preset for airbleed
  68. Klotz oil
  69. O.S. .91 surpass II not reaching top RPM
  70. OS 60 with Perry carb and pump, help!
  71. .46 LA Muffler on .46 AX
  72. OS FS120 Surpass-E or FS110a
  73. O.S. 91 Surpass - New - loads up/stops
  74. BGX3500 prop and cone
  75. OLd OS 25 max
  76. NEEDle valve bracket, remote setup BGX
  77. st-15 engine replacement
  78. OS 120 lll Pump
  79. os FS-120 surpass
  80. Problem with FS91SII
  81. FT-120 Gemini II
  82. OS MAX 15 fuel consumption
  83. OS FS-200 distance to engine
  84. up side down
  85. OS81 FSa Pumped Main needle sensitivity
  86. os 55 ax connecting rod problem
  87. Head Bolts on 75 ax
  88. OS fs 48 Surpass running problem
  89. Will an OS 46FX piston/liner fit an OS 40FX engine?
  90. OS Max .61FX Muffler
  91. MOVED: 21204310 .12 buggy head???
  92. OS FL70 front bearing removal
  93. OS Exhaust Headers
  94. MOVED: OS 120 Surpass 2, where do I get spares?
  95. Engine getting too hot
  96. OS 91 FS Pump not pulling fuel. Help?
  97. motor mount problem
  98. OS 46 FX Question for Bax.
  99. os 55 ax carburetor
  100. OS FS110a Low rpms ?
  101. os fs-48 Surpass my first 4 stroker tear down
  102. OS SX 50 H-ring...little help please..
  103. BAX 95AX question
  104. OS 61 FX
  105. OS 120 Surpass FS Series
  106. CV Technology
  107. 61fx or 75fx
  108. Lower Pitched Prop on OS 46FX
  109. Difference between OS E-3020 and E-3070 Silencer
  110. Pumped OS FS-91 surges at full throttle
  111. OS 70 Surpass
  112. FX-25 vs AX-25
  113. OLDER OS FS 90/91 METAL THROTTLE ARM
  114. O.S. 1.20 FS Surpass III
  115. O.S. 1.60FX Pusher
  116. OS 46SF low end needle setting
  117. .46AX frame size
  118. help id this OS engine heatsink
  119. o.s .25xz break in procedure
  120. OS 120 head replacement
  121. OS FS120 SE head question
  122. Fs 90 bearing replacement
  123. OS .10 Piston Pin
  124. error
  125. 46 AX engine
  126. OS .18TM Piston "damage?"
  127. OS 15CV-X - ticking noise
  128. OS 1.08 Tuning
  129. older os 91 fx intregal backplate mounted nva
  130. OS 18tm questions
  131. MOVED: OS FS-90 Manual
  132. Pullstart motor with non-pullstart flywheel
  133. Manual needed
  134. Os 55ax midrange problem
  135. OS 46 AX knock
  136. older os 40fs
  137. Flexible Exhaust pipes
  138. OS Max 60 FP Needle Valve
  139. OS 4 stroke muffler extension ?
  140. OS 91FX tunning problem
  141. OS 120FSIII gasket
  142. Old O.S. FS90
  143. OS FSa-155-P 4 stroke. When?
  144. OS 108
  145. FS-120S III-P CRANKSHAFT PROBLEM
  146. OS FS 91SII w/ pump question
  147. OS FX 160 lean
  148. OS 52 Exhaust Pipe
  149. OS FS - .91 Surpass II Muffler Inlet Pipe Breakage
  150. OS 110a Pitts!
  151. OS 4 stroke 110 prop
  152. OS 1.08 Props
  153. o.s. sf 60 cam an valve setting
  154. OS 55AX keeps cutting out in mid-range
  155. OS 61 CAM COVER NEEDED>>>
  156. o.s. sf 60 cam an valve setting
  157. MOVED: OS 20 FS SOS - part wanted
  158. OS 70 carb
  159. Sirius 7 Radial Four Stroke
  160. OS10LA fuel draw
  161. BGX Installation ?
  162. OS 200 FS Non Pumped Top end issue
  163. OS MAX 15 PARTS WANTED>>
  164. MOVED: I also purchased a Bo-Link 13 inch Funny Car
  165. head screws for os
  166. FR5-300 bearings
  167. OS 61 MAX SF
  168. OS 1.60 FX
  169. 55AX rear bearing?
  170. Timing mark position relative to crank pin on my FS .26 Surpass
  171. OS 90FS stuck pushrod
  172. OS 70 FS Engine
  173. OS 55ax mid range tuning
  174. Air cleaners
  175. Vintage FT-300 Question
  176. OS 50 Hyper and 30% nitro
  177. o.s. 40 la o.s max
  178. 46 FX default idle screw position
  179. FS-120SIII Pumped
  180. An OS 50sx question
  181. OS 91 FS surpassII pumped
  182. MOVED: Drive washer for .40SF
  183. .40FSR
  184. OS 4 cycle 120 III pump Version
  185. Is the 120 III pump bad?
  186. Old ft120 carburator and very old 120 cylinder head.
  187. UPDATED QUESTION - OS 120AX NEEDLE HELP
  188. FS-91S No Pump, Needle Valve Setting
  189. OS .91 Surpass (old) replacement carb
  190. OS.75 Knocking
  191. O.S. maxx 25 fp
  192. O.S. SF FX
  193. OS 26
  194. OS.55AX Thortle problem
  195. OS FS 110 MUFFLER
  196. plane for os.10
  197. 120ax
  198. 75AX/95Ax same Power Box Muffler ??
  199. crankshaft movement after bearing replacement
  200. what engine for OS A3 glow plug.
  201. OS.75AX 90* muffler adapter
  202. Os engine suggestion
  203. OS 46FX Throttle body repair
  204. OS 160 Gemini Propeller Spacer
  205. O.S. 61 sx-h cylinder head replacement
  206. MOVED: OS 90 parts
  207. MOVED: I am getting on a plane to Japan for OS support
  208. OS Engines Target RPM
  209. Rear Bearing replace 46fx
  210. os.18cv-r
  211. Os Alpha 4 strokes Rusted Bearings!!
  212. OS 81a FS props
  213. OS FS-91S needle setting
  214. 120 Gemini II reassembly
  215. OS 91 Surpass Muffler Pipe Breaks...
  216. bgx 3500
  217. .70 Surpass II
  218. rc engine crankcase bearings when to replace?
  219. New To OS Please Help.
  220. OS bearings
  221. Who can tell the the HS position on OS 110-P
  222. noisy engine
  223. 46AX problems
  224. OS 120
  225. MOVED: OS OR MAGNUM 4 STROKE INVERTED
  226. GT55 Propeller Drill Fixture
  227. BGX question for BAX
  228. Is large diameter fuel tubing absolutely needed ?
  229. OS 75AX Break-in Procedure
  230. FS-81a manual
  231. 120 surpass III bogs down on full
  232. MOVED: replacement engine for tamiya nitro thunder
  233. what os engine is compatible with tamiya nitro thunder
  234. OS Ft-160 Twin PROBLEMS
  235. OS FT-300 Exhaust
  236. OS 91 Surpass P
  237. OS 61 FX carb
  238. OS carb change
  239. Engine screams with throttle closed, crack/air leak?
  240. .91 crankshaft part number.
  241. OS FS200 typical RPM?
  242. OS 200FS lost compression
  243. os .18 tm problem
  244. OS61RF pump exploded view
  245. 91fx piston cleaning
  246. turbo plugs
  247. OS FS-80 - anno 1982 version
  248. OS21tm Crank
  249. 91FX getting hot
  250. OS 91 FS Surpass Prop.

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