View Full Version : O.S. Engines Support



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  1. 18x6W or 20x6 for 1.60 FX
  2. 40LA Muffler fasteners
  3. C/L to RC conversion
  4. OS 46 & 61 SF ring replacement
  5. OS 70 Surpass
  6. FS-91 Surpass
  7. What is the expected life of an FX 46?
  8. rebuilding
  9. OS FS-70 repair
  10. OS 32 F Helicopter
  11. OS .46fx help....
  12. Is there a new OS 91???
  13. What size is the exhaust thread on OS 91 Surpass
  14. Cost of estimate ?
  15. Should I not repair my os 46sf?
  16. Need help on OS-91 FS II (no pump)
  17. 60 fx cyl peeling
  18. OS 70 SZ no mid range mixture
  19. Instruction Manual 7m Carb.
  20. Gummed up engines
  21. O.S. 46 LA Question
  22. FS-120s III
  23. 46 fx quits
  24. O.S. 1.6FX pressure tap-HELP!
  25. 46fx-h
  26. 46fx-h
  27. OS 160 FX setup
  28. .91 FX Prop selection
  29. Where is Ann Marie?????????????
  30. Fuel Pump
  31. OS 160 Twin exhaust extenders
  32. OS 46FX peeling
  33. Ring for 50SX?
  34. FS needle settings
  35. counter rotating engines
  36. 48 Surpass
  37. Os 30fs
  38. Pressure nipples
  39. OS 15 FP crank thread size
  40. Life Expectancy of the OS 50 SXH
  41. O.S. 1.6FX problem
  42. O.s. Engines Four Stroke
  43. Clattering and lost power in OS 70 FS
  44. Os 46 Fx
  45. O.S BGX performance curves
  46. .46FX rich midrange
  47. fuel for the RX140
  48. Idle mixture adjust for an older OS 1.08
  49. FT- 160 Engine mount
  50. OS FP35 - Old and rusty
  51. OS 32 Mounting hole blocked by remote needle valve?
  52. os 90 fs
  53. OS 46 only starts with Starter
  54. Os .10 Fsr
  55. Os 46 Fx
  56. OS140RX and muffler
  57. OS 46FX - starts backwards
  58. Fs120 Surpass wiyh pump
  59. OS91 Fan conversion
  60. Os 1.6fi
  61. OS 91FX Cutts out and flames out!
  62. Blubbery .50 SX
  63. Os Max 60sr
  64. 1.40RX eating bearings?
  65. lowest displacement O.S engine
  66. O.S. .61 FX help
  67. OS 15 LA liner problems/ what to do?
  68. Fuel Foaming
  69. .91FX Muffler vs .61FX Muffler
  70. .32 Sx
  71. OS 61 Fx substitute muffler
  72. Need answers from the pro's "OS Max 40 SR"
  73. OS 70 Heli engine problem
  74. OS 48fs broke valve cover, any comments?
  75. OS 120 Surpass Non Pump add pump?
  76. OS 70 surpass bogging at full throttle.
  77. OS 140RX pump problems? (long)
  78. OS Drive washer puller
  79. OS 52 low end mixture
  80. os max-H 40
  81. FX46 Cylinder Peeling
  82. 91 FX on U-Can-Do 3D
  83. Replacement Parts for TH engines
  84. I have a question
  85. After Run Oil
  86. Another 1.60/Bisson Pitts Muffler question
  87. Need AM Cross' Help with parts
  88. After run care (OS46)
  89. Does OS engines have warranty?
  90. Please Close Thread.
  91. OS 70 SZ Eng
  92. New OS 50SX missing gasket and leaking
  93. 91 FX quits
  94. Fs 61
  95. 50 SX Running Problem
  96. Os 91 Fx
  97. 50 exhaust baffle
  98. Os Fp 40 Max?
  99. OS91 4-Stroke Question
  100. Bad OS #8 plugs--good A3s
  101. OS 50 SX and Fuel (Oil %)
  102. OS .46fx muffler....screw broke...need back half of muffler
  103. OS .91 FX Troubleshooting
  104. OS 48 Spits fuel out the carb
  105. 1.60FX Pitts Muffler pressure
  106. OS .91Fx to Pump or not to Pump
  107. 1.60FX-FI air valve retention
  108. Prop Nut
  109. 15cvr unusual problem
  110. Static thrust of BGX-1
  111. After run oil on a 46FX
  112. OS 91 VR-DF Small Head
  113. Suggestion: We Need A Os160fx Rear Exhuast For Pattern
  114. Stuck OS 46 FS Muffler
  115. OS 46 FX problems?
  116. OS Engine Trouble ( .15 CV-R) Help!!!
  117. OS Pump?
  118. OS 70 Heli engine
  119. OS gas engines?
  120. Fuels F.A.Q.
  121. Rethinking remote needle valves?
  122. O.S 1.60FX and nitro %
  123. 61 FX Bearings
  124. O.s. .52 Surpass Heli Engine...
  125. 15cvr trouble
  126. torque vs horsepower vs RPM
  127. Service & Repair $$$$
  128. Os160 Rear Exhuast
  129. FT-160 Carburetor
  130. os160fx BACKPLATE ALIGNMENT
  131. Os 46fx
  132. after market mufflers
  133. OS46 break-In discrepancies
  134. OS 46 FX, no full throttle
  135. How to set your high speed needle for optimum in flight performance
  136. Os70
  137. What is the evolution of OS 4 strokes?
  138. 1.60fx , muffler ?
  139. selecting 3- adn 4- bladed props
  140. Info on the OS EFI engines
  141. History of OS engines....
  142. Old OS Max .10
  143. OS FX 1.60 -- Overly Sensitive to Lean Runs ???
  144. 91fx
  145. low power OS 1.60FX
  146. 91fx
  147. Older OS .46 VRM Marine
  148. Runs and Quits "tip of the week"
  149. Need Help With OS 120 III with Pump
  150. OS 1.20 W pump inverted?
  151. Need gaskets for OS 40 SR
  152. os 91 fx
  153. Reverse Rotation Crankshaft for older OS60/61 FSR
  154. OS50 'sneezes'?
  155. 160fx prop 3d
  156. what is the size of thread for the nipple in OS 46fx muffler?
  157. OS .50 SX - Won't die?
  158. .91 FX Props
  159. OS 1.60FX detonation in the midrange
  160. OS and Thunder Tiger story
  161. OS 50 SX Aircraft
  162. Prop size questions
  163. OS max 40 Sr Engine
  164. out of touch for a little while
  165. OT: GP 1/3 Scale Pitts tech notice.
  166. 3 blade prop for .61FX
  167. Os Cz 15
  168. tip of the week: tuned pipes
  169. Dynamite TNT .12R
  170. OS 160FX Cuts out 2/3 tank
  171. Too rich idle
  172. Remote Glow Driver cap wont fit.
  173. Mounting .91 FX horizontal
  174. OS160FX Piston
  175. os 52 surpass
  176. OS CV troubles
  177. Os 50 & CY MP 30%
  178. manuals, expl view, parts lists, dimensions, pricing and more!
  179. O.S. .15 LA from LHS w/o instructions?
  180. 15cvr with 10a carb
  181. A must read!
  182. Os 46 Vx D/f
  183. OS 61Fx Muffler
  184. Best prop for fx160
  185. Os 70 Surpass Runs Eratic At Full Throttle
  186. os max .35 needle valve needed
  187. OS .91 Surpass Problem
  188. OS max FP 40
  189. os 70 surpass throttle postition Q...
  190. In-cowl muffler for OS 91 FX
  191. Out Of Town Notice
  192. OS91Fx air bubbles in needle valve fuel line
  193. Glow plug reaches ??
  194. 91 fx air leaks
  195. OS1.40RX (first series) low end?
  196. Please read before posting...........
  197. OS 160 Shortening stock muffler
  198. The baffle - what's it for?
  199. cleaning .46 FX
  200. OS 1.6 FX Starting question
  201. OS .61 Hanno
  202. O.S. .91FX Lemon (Revisited)
  203. best prop for os bgx
  204. Problem with OS .61RF-ABC-P
  205. Problem with OS .61RF-ABC-P
  206. Parts available for older engines?
  207. Thread questions for carb and glow plug
  208. os 46 fx
  209. Re: os fs 120 sp
  210. OS 46FX Muffler
  211. OS Max .34 F question
  212. O.S. .91FX Lemon
  213. OS300 troubles
  214. O.S. 4-Stroke Headers
  215. 46Fx Warrenty Question
  216. SMOKE -1.60 FX any mufflers out there???
  217. NEW: Ask your O.S. engine questions directly here

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