View Full Version : O.S. Engines Support



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  1. O.S. 1.08 FSR
  2. I lost a muffler bolt on my 46 fx
  3. Corrosion on piston/cylinder and crank
  4. Port timing 91FX Vs 91SxH
  5. 25 la....
  6. FS-120 surpass fuel setup
  7. 0.s.15 cv-rx refusing to keep running
  8. OS 46 SF
  9. FS-70 header pipe broke on run-in
  10. Pressure Tap OS 91FX
  11. OS60 MAX-H
  12. Bax - OS .10 FSR Con Rod Substitute??
  13. FS90 head stripped
  14. Looking for OS FS-26 Info ...
  15. 46FX - engine rpm up and down at full throttle
  16. Prop Choice
  17. OS 120 w/pump instruction manual needed
  18. OS 120 Surpass I power loss
  19. OS 50 sx Sucking air?
  20. Brass hexagon inlet holder position??
  21. Liner pealing
  22. O.S. 46FX Engine temp
  23. Wankel woes
  24. OS FS-70S head
  25. OS 50 SX making strange noise
  26. 46 LA Prop spun off during break-in run
  27. I'm a newb: OS Max SF 61 With Pump
  28. OS 160FX Bearing Problems?
  29. fx160 needle setting?
  30. OS120 Surpass I Bearings & Gasket Q?
  31. Os .15 Cva
  32. Aeroworks Extra 300L Profile ARF + OS BGX-1 (3500)
  33. Os70 Sz-h Ring
  34. help with surpass 70
  35. oil content and type
  36. Warranty service on OS.91FX, turn around time??
  37. os max 40fp + glow plug
  38. New OS 91 SX acro?
  39. Help with disassemble of OS 120 FS
  40. Position of Fuel Tank
  41. O.S .12 TR(P)-T help.
  42. OS FX 1.60 + Top Flight 18x10
  43. O.S. 32 sx-h gradually lost power
  44. OS 140 RX Bearing
  45. Valve clearence for OS 91 Surpass?
  46. os 300 twin mounting
  47. Surpass 70
  48. Is the Tower plug same as the OS #8???
  49. OS 1.08 low end needle problems
  50. O.S. .46fx
  51. OS .46 fx muffler
  52. 1.60FX Needle Valve replacement
  53. os 61 h wc start off fuel settings
  54. O.S.70B Mixture Control Carb
  55. OS carb # 7DV
  56. OS 46 fx
  57. which muffler?
  58. OS 120 Surpass II head gaskets
  59. 120 Surpass II running lean and needle valve screwed all the way out!?
  60. OS 120 Surpass III optional header
  61. Turnaround time at O.S.
  62. Replacement of my 91FX (Bax)
  63. os 46 fx doesnt turn
  64. 91 Fx
  65. OS 91 MAX Muffler wanted.
  66. the perfect propeller is...
  67. O.S. FS-120S-E Carb leakage
  68. OS FS 91 4 Stroke
  69. 48 surpass compression loss
  70. Ff-240
  71. .21 Rg M
  72. .21 outboard
  73. OS 120 II idle problem
  74. valve adjustment screw
  75. OS screws
  76. 160FX midrange lean condition
  77. OS 91 Fx Quits in mid Range.
  78. Os 160
  79. OS 40 four stroke surpass, idle prob !
  80. os 32 sx
  81. 140Rx & 140EFI Rear Bearings
  82. 40 LA with poor fuel flow (I think)
  83. Torque specs for cyl head screws?
  84. O.S. fuel
  85. advice on Surpass 120 back bearing
  86. O.S. .12 cv-r stalls
  87. OS Max 61FX
  88. 50SX (non-H) on Heli Fuel?
  89. OS .46fx liner peeling?
  90. perry pump on back plate
  91. Os 46sf-p Abc
  92. OS .61 FX missing part?
  93. 46fx breakin
  94. 25LA Problem
  95. OS 50SX Break in ?
  96. 61 FSR carb
  97. starting my o.s..15 cv-x
  98. OS .15 CV probs
  99. OS120III Surpass regulator leaking
  100. In cowl Muffler for 91FX
  101. What prop for OS .46 FX?
  102. Quick question!
  103. OS .40 FP Questions
  104. Response pour over the 46 FX
  105. fx 160
  106. OS FS26S Engine Knocking
  107. OS 40 Surpass C
  108. 91fx mufler
  109. cone baffle ?
  110. We all have some loose screws..
  111. HELP ME! 1.08 FSR Special exhaust?
  112. Antifreez Engine Cleaning Question
  113. o.s. 12 cv-r parts
  114. OS .61FSR ABC Stalling
  115. Unused os max 45fsr-need break-in-is it ABC?
  116. New Os50sx Problem
  117. Os91sx
  118. Getting a used FT-160 Gemini to run
  119. What OS 120 do I have?
  120. Nut for muffler; 40 FSR?
  121. .70 Surpass Timing ?
  122. .61 V parts needed
  123. Manual for OS .61 SF-H
  124. OS 52 Surpass
  125. engine
  126. Fr5-300
  127. Surpass 120 E
  128. OS 61 RFP vs Hanno Special
  129. OS FS-120 Surpass-II with a pump
  130. How to remove and install valve springs from OS FS120SIII with pump?
  131. Need correct part number for thrust washer
  132. A few Questions, and My .46 FX needs rebuilding...
  133. 30% Nitro in OS .32
  134. Couple questions
  135. OS 61 Hanno pump settings?
  136. OS .46Fx damage
  137. 40 & 46 Mounting
  138. OS 50 SX dead sticks
  139. OS FT-120, older model twin...
  140. O.S. .46fx Probs
  141. noisy LA .46
  142. Slimline pitts muffler on 120 III pumped
  143. OS .15 CV-A Slow RPMs???
  144. OS LA 46 not running well
  145. 160 FX issue
  146. 120 III pumped exhaust headers
  147. os 91 surpass
  148. Problem controll on OS52FS
  149. 50 sx max rpm
  150. Os 50sx
  151. os 40 fx question
  152. O.s. 120siii W/pump Wont Run
  153. os 91 surpass-idle screw
  154. O Rings
  155. Connecting Piston rod
  156. break-in of 40 LA??
  157. OS 1.40 RX pipe with 1.60FX?
  158. another os 160 fx question
  159. OS Gemini 120 Twin
  160. 26 Surpass parts
  161. Spares For OS46LA In UK
  162. Tuned pipes
  163. 3H carb settings
  164. OS FR5-300 Radial timing
  165. OS 48 Surpass
  166. Is a 20x8 topflight pwr point too much for my 1.60fx ??
  167. Mounting a 46 fx sideways
  168. Os Fs40
  169. Break-in Question for 1.40RX
  170. Os 61 Fs
  171. 1.60 FX Needle adjustment
  172. 91 fx not running {is it fixed yet }
  173. Os 52 Fs
  174. OS 70 Ultimate??????????
  175. What happening w/ OS .65LA????
  176. 1.20 FS parts
  177. O.S. 1.60Fx + Super Decathalon ???
  178. OS 7L Carb Problem?
  179. 70 Surpass II
  180. New .15 CV-RX for TMAXX 2.5
  181. OS 140RX Piston re-installation
  182. O.s. 46 Sf
  183. OS 1.60 Crank Case Pressure
  184. Another OS140FI question
  185. OS Corporate contact
  186. oil for os max 40fp
  187. OS61 FX problem
  188. Os Fs-91s
  189. Os 160ft Rpm
  190. Just bought a .15 CV-X, cant start
  191. Os 1.20 E
  192. OS FS70 Timing
  193. OS 46 FX - weak - worn? How to tell
  194. Os 70 Ii Rpm
  195. OS parts availability, whats up?
  196. Teflon wrist pin plugs
  197. 61 FX ABC with OS quiet muffler
  198. Connecting Rod?
  199. Need to know about compression
  200. O.s. 1.08
  201. need help getting a part 46fx
  202. 120 Surpass III break-in & exhaust system info
  203. OS 160 Overheats
  204. OS RZ engine
  205. ft-120
  206. OS140FI throttle limit setting question and one observation.
  207. OS max 1.60 fx
  208. 90 Fs
  209. FX-91 issue
  210. Os 40 Fp
  211. Muffler Bolts for OS 46 FX
  212. OS91FX prop sizes and other questions??
  213. OS FS .48 prop and needle settings
  214. os 50 FSR need parts
  215. an easy 1.60 FX one-
  216. os 25fsr abc
  217. os cv-x
  218. Os 61 Fx & Sf
  219. Os 1.08
  220. Pressure tap on FS 26-C?
  221. OS 91 Ducted fan engine
  222. OS MAX-S .35 suddenly dies
  223. os 40la assembly trouble
  224. Os 70
  225. O.S.32FX low end needle setting????
  226. Os 32
  227. .61SF-P question
  228. OS 61RF-P Hatori Pipe
  229. O.S. 50SX-Hring
  230. OS .70 Surpassll Poor Midrange
  231. 46 FX Bearing removal (Siezed in place)
  232. Fs-140sp-fi??
  233. Silly Problem 7DV Carb
  234. Engine R.P.M.
  235. O.S. 160 fx low end adjustment problems
  236. FS-91SII Exhaust System
  237. Os 26 Fs
  238. Running an OS 120 FS pump without a muffler?
  239. Help -- OS 70 FS top end mixture / prop size?
  240. HELP!!!! 91 surpass cam position ??
  241. HELP! RX1.40 Problem (Bill-Some new info)
  242. FS-91SII Exhaust Port Thread Size
  243. OS 46FX - is fuel with 9% synthetic and 6% castrol ok?
  244. OS 120 III runs best at half throttle
  245. OS .25FX leaning out
  246. OS 70 Surpass Idle Problem
  247. OS 65LA A checkered history - Where do I go from here?
  248. Fuel in the RX1.40
  249. OS FT/160 Twin, Opinion Pse
  250. 40 fsr carburetor

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