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  1. Newly Broken In OS 46 FX
  2. Remote needle valves in os .50 SX and .91 FX
  3. OS 61 FS Muffler?
  4. Can I Make My .61FX a .91?
  5. 40 SR parts
  6. bubbles!! ehhh!
  7. O.S. .61 SX-H Heli Engine- HEIM Mechanics Setup
  8. Tried everything, 46 NV still leaks?
  9. os 46fx..need serious help
  10. OS 40 No compression
  11. OS Max SR-40 Marine - what muffler?
  12. Main bearing broke
  13. Manual for a Max .61 SF?
  14. Tri prop for OS FS70
  15. How to send an item to service
  16. About this Forum
  17. fx 61 loosing power
  18. engine help
  19. OS 91 Surpass-version I
  20. O.S. 25FX and O.S. 25SF
  21. New 91FX muffler missing baffle
  22. OS 91 FX very slow to idle down
  23. os Wankel 1800
  24. OS 91 FX
  25. O.S. 1.08 FSR
  26. I lost a muffler bolt on my 46 fx
  27. Corrosion on piston/cylinder and crank
  28. Port timing 91FX Vs 91SxH
  29. 25 la....
  30. FS-120 surpass fuel setup
  31. 0.s.15 cv-rx refusing to keep running
  32. OS 46 SF
  33. FS-70 header pipe broke on run-in
  34. Pressure Tap OS 91FX
  35. OS60 MAX-H
  36. Bax - OS .10 FSR Con Rod Substitute??
  37. FS90 head stripped
  38. Looking for OS FS-26 Info ...
  39. 46FX - engine rpm up and down at full throttle
  40. Prop Choice
  41. OS 120 w/pump instruction manual needed
  42. OS 120 Surpass I power loss
  43. OS 50 sx Sucking air?
  44. Brass hexagon inlet holder position??
  45. Liner pealing
  46. O.S. 46FX Engine temp
  47. Wankel woes
  48. OS FS-70S head
  49. OS 50 SX making strange noise
  50. 46 LA Prop spun off during break-in run
  51. I'm a newb: OS Max SF 61 With Pump
  52. OS 160FX Bearing Problems?
  53. fx160 needle setting?
  54. OS120 Surpass I Bearings & Gasket Q?
  55. Os .15 Cva
  56. Aeroworks Extra 300L Profile ARF + OS BGX-1 (3500)
  57. Os70 Sz-h Ring
  58. help with surpass 70
  59. oil content and type
  60. Warranty service on OS.91FX, turn around time??
  61. os max 40fp + glow plug
  62. New OS 91 SX acro?
  63. Help with disassemble of OS 120 FS
  64. Position of Fuel Tank
  65. O.S .12 TR(P)-T help.
  66. OS FX 1.60 + Top Flight 18x10
  67. O.S. 32 sx-h gradually lost power
  68. OS 140 RX Bearing
  69. Valve clearence for OS 91 Surpass?
  70. os 300 twin mounting
  71. Surpass 70
  72. Is the Tower plug same as the OS #8???
  73. OS 1.08 low end needle problems
  74. O.S. .46fx
  75. OS .46 fx muffler
  76. 1.60FX Needle Valve replacement
  77. os 61 h wc start off fuel settings
  78. O.S.70B Mixture Control Carb
  79. OS carb # 7DV
  80. OS 46 fx
  81. which muffler?
  82. OS 120 Surpass II head gaskets
  83. 120 Surpass II running lean and needle valve screwed all the way out!?
  84. OS 120 Surpass III optional header
  85. Turnaround time at O.S.
  86. Replacement of my 91FX (Bax)
  87. os 46 fx doesnt turn
  88. 91 Fx
  89. OS 91 MAX Muffler wanted.
  90. the perfect propeller is...
  91. O.S. FS-120S-E Carb leakage
  92. OS FS 91 4 Stroke
  93. 48 surpass compression loss
  94. Ff-240
  95. .21 Rg M
  96. .21 outboard
  97. OS 120 II idle problem
  98. valve adjustment screw
  99. OS screws
  100. 160FX midrange lean condition
  101. OS 91 Fx Quits in mid Range.
  102. Os 160
  103. OS 40 four stroke surpass, idle prob !
  104. os 32 sx
  105. 140Rx & 140EFI Rear Bearings
  106. 40 LA with poor fuel flow (I think)
  107. Torque specs for cyl head screws?
  108. O.S. fuel
  109. advice on Surpass 120 back bearing
  110. O.S. .12 cv-r stalls
  111. OS Max 61FX
  112. 50SX (non-H) on Heli Fuel?
  113. OS .46fx liner peeling?
  114. perry pump on back plate
  115. Os 46sf-p Abc
  116. OS .61 FX missing part?
  117. 46fx breakin
  118. 25LA Problem
  119. OS 50SX Break in ?
  120. 61 FSR carb
  121. starting my o.s..15 cv-x
  122. OS .15 CV probs
  123. OS120III Surpass regulator leaking
  124. In cowl Muffler for 91FX
  125. What prop for OS .46 FX?
  126. Quick question!
  127. OS .40 FP Questions
  128. Response pour over the 46 FX
  129. fx 160
  130. OS FS26S Engine Knocking
  131. OS 40 Surpass C
  132. 91fx mufler
  133. cone baffle ?
  134. We all have some loose screws..
  135. HELP ME! 1.08 FSR Special exhaust?
  136. Antifreez Engine Cleaning Question
  137. o.s. 12 cv-r parts
  138. OS .61FSR ABC Stalling
  139. Unused os max 45fsr-need break-in-is it ABC?
  140. New Os50sx Problem
  141. Os91sx
  142. Getting a used FT-160 Gemini to run
  143. What OS 120 do I have?
  144. Nut for muffler; 40 FSR?
  145. .70 Surpass Timing ?
  146. .61 V parts needed
  147. Manual for OS .61 SF-H
  148. OS 52 Surpass
  149. engine
  150. Fr5-300
  151. Surpass 120 E
  152. OS 61 RFP vs Hanno Special
  153. OS FS-120 Surpass-II with a pump
  154. How to remove and install valve springs from OS FS120SIII with pump?
  155. Need correct part number for thrust washer
  156. A few Questions, and My .46 FX needs rebuilding...
  157. 30% Nitro in OS .32
  158. Couple questions
  159. OS 61 Hanno pump settings?
  160. OS .46Fx damage
  161. 40 & 46 Mounting
  162. OS 50 SX dead sticks
  163. OS FT-120, older model twin...
  164. O.S. .46fx Probs
  165. noisy LA .46
  166. Slimline pitts muffler on 120 III pumped
  167. OS .15 CV-A Slow RPMs???
  168. OS LA 46 not running well
  169. 160 FX issue
  170. 120 III pumped exhaust headers
  171. os 91 surpass
  172. Problem controll on OS52FS
  173. 50 sx max rpm
  174. Os 50sx
  175. os 40 fx question
  176. O.s. 120siii W/pump Wont Run
  177. os 91 surpass-idle screw
  178. O Rings
  179. Connecting Piston rod
  180. break-in of 40 LA??
  181. OS 1.40 RX pipe with 1.60FX?
  182. another os 160 fx question
  183. OS Gemini 120 Twin
  184. 26 Surpass parts
  185. Spares For OS46LA In UK
  186. Tuned pipes
  187. 3H carb settings
  188. OS FR5-300 Radial timing
  189. OS 48 Surpass
  190. Is a 20x8 topflight pwr point too much for my 1.60fx ??
  191. Mounting a 46 fx sideways
  192. Os Fs40
  193. Break-in Question for 1.40RX
  194. Os 61 Fs
  195. 1.60 FX Needle adjustment
  196. 91 fx not running {is it fixed yet }
  197. Os 52 Fs
  198. OS 70 Ultimate??????????
  199. What happening w/ OS .65LA????
  200. 1.20 FS parts
  201. O.S. 1.60Fx + Super Decathalon ???
  202. OS 7L Carb Problem?
  203. 70 Surpass II
  204. New .15 CV-RX for TMAXX 2.5
  205. OS 140RX Piston re-installation
  206. O.s. 46 Sf
  207. OS 1.60 Crank Case Pressure
  208. Another OS140FI question
  209. OS Corporate contact
  210. oil for os max 40fp
  211. OS61 FX problem
  212. Os Fs-91s
  213. Os 160ft Rpm
  214. Just bought a .15 CV-X, cant start
  215. Os 1.20 E
  216. OS FS70 Timing
  217. OS 46 FX - weak - worn? How to tell
  218. Os 70 Ii Rpm
  219. OS parts availability, whats up?
  220. Teflon wrist pin plugs
  221. 61 FX ABC with OS quiet muffler
  222. Connecting Rod?
  223. Need to know about compression
  224. O.s. 1.08
  225. need help getting a part 46fx
  226. 120 Surpass III break-in & exhaust system info
  227. OS 160 Overheats
  228. OS RZ engine
  229. ft-120
  230. OS140FI throttle limit setting question and one observation.
  231. OS max 1.60 fx
  232. 90 Fs
  233. FX-91 issue
  234. Os 40 Fp
  235. Muffler Bolts for OS 46 FX
  236. OS91FX prop sizes and other questions??
  237. OS FS .48 prop and needle settings
  238. os 50 FSR need parts
  239. an easy 1.60 FX one-
  240. os 25fsr abc
  241. os cv-x
  242. Os 61 Fx & Sf
  243. Os 1.08
  244. Pressure tap on FS 26-C?
  245. OS 91 Ducted fan engine
  246. OS MAX-S .35 suddenly dies
  247. os 40la assembly trouble
  248. Os 70
  249. O.S.32FX low end needle setting????
  250. Os 32