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

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