View Full Version : O.S. Engines Support



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  1. OS .15 CV probs
  2. OS120III Surpass regulator leaking
  3. In cowl Muffler for 91FX
  4. What prop for OS .46 FX?
  5. Quick question!
  6. OS .40 FP Questions
  7. Response pour over the 46 FX
  8. fx 160
  9. OS FS26S Engine Knocking
  10. OS 40 Surpass C
  11. 91fx mufler
  12. cone baffle ?
  13. We all have some loose screws..
  14. HELP ME! 1.08 FSR Special exhaust?
  15. Antifreez Engine Cleaning Question
  16. o.s. 12 cv-r parts
  17. OS .61FSR ABC Stalling
  18. Unused os max 45fsr-need break-in-is it ABC?
  19. New Os50sx Problem
  20. Os91sx
  21. Getting a used FT-160 Gemini to run
  22. What OS 120 do I have?
  23. Nut for muffler; 40 FSR?
  24. .70 Surpass Timing ?
  25. .61 V parts needed
  26. Manual for OS .61 SF-H
  27. OS 52 Surpass
  28. engine
  29. Fr5-300
  30. Surpass 120 E
  31. OS 61 RFP vs Hanno Special
  32. OS FS-120 Surpass-II with a pump
  33. How to remove and install valve springs from OS FS120SIII with pump?
  34. Need correct part number for thrust washer
  35. A few Questions, and My .46 FX needs rebuilding...
  36. 30% Nitro in OS .32
  37. Couple questions
  38. OS 61 Hanno pump settings?
  39. OS .46Fx damage
  40. 40 & 46 Mounting
  41. OS 50 SX dead sticks
  42. OS FT-120, older model twin...
  43. O.S. .46fx Probs
  44. noisy LA .46
  45. Slimline pitts muffler on 120 III pumped
  46. OS .15 CV-A Slow RPMs???
  47. OS LA 46 not running well
  48. 160 FX issue
  49. 120 III pumped exhaust headers
  50. os 91 surpass
  51. Problem controll on OS52FS
  52. 50 sx max rpm
  53. Os 50sx
  54. os 40 fx question
  55. O.s. 120siii W/pump Wont Run
  56. os 91 surpass-idle screw
  57. O Rings
  58. Connecting Piston rod
  59. break-in of 40 LA??
  60. OS 1.40 RX pipe with 1.60FX?
  61. another os 160 fx question
  62. OS Gemini 120 Twin
  63. 26 Surpass parts
  64. Spares For OS46LA In UK
  65. Tuned pipes
  66. 3H carb settings
  67. OS FR5-300 Radial timing
  68. OS 48 Surpass
  69. Is a 20x8 topflight pwr point too much for my 1.60fx ??
  70. Mounting a 46 fx sideways
  71. Os Fs40
  72. Break-in Question for 1.40RX
  73. Os 61 Fs
  74. 1.60 FX Needle adjustment
  75. 91 fx not running {is it fixed yet }
  76. Os 52 Fs
  77. OS 70 Ultimate??????????
  78. What happening w/ OS .65LA????
  79. 1.20 FS parts
  80. O.S. 1.60Fx + Super Decathalon ???
  81. OS 7L Carb Problem?
  82. 70 Surpass II
  83. New .15 CV-RX for TMAXX 2.5
  84. OS 140RX Piston re-installation
  85. O.s. 46 Sf
  86. OS 1.60 Crank Case Pressure
  87. Another OS140FI question
  88. OS Corporate contact
  89. oil for os max 40fp
  90. OS61 FX problem
  91. Os Fs-91s
  92. Os 160ft Rpm
  93. Just bought a .15 CV-X, cant start
  94. Os 1.20 E
  95. OS FS70 Timing
  96. OS 46 FX - weak - worn? How to tell
  97. Os 70 Ii Rpm
  98. OS parts availability, whats up?
  99. Teflon wrist pin plugs
  100. 61 FX ABC with OS quiet muffler
  101. Connecting Rod?
  102. Need to know about compression
  103. O.s. 1.08
  104. need help getting a part 46fx
  105. 120 Surpass III break-in & exhaust system info
  106. OS 160 Overheats
  107. OS RZ engine
  108. ft-120
  109. OS140FI throttle limit setting question and one observation.
  110. OS max 1.60 fx
  111. 90 Fs
  112. FX-91 issue
  113. Os 40 Fp
  114. Muffler Bolts for OS 46 FX
  115. OS91FX prop sizes and other questions??
  116. OS FS .48 prop and needle settings
  117. os 50 FSR need parts
  118. an easy 1.60 FX one-
  119. os 25fsr abc
  120. os cv-x
  121. Os 61 Fx & Sf
  122. Os 1.08
  123. Pressure tap on FS 26-C?
  124. OS 91 Ducted fan engine
  125. OS MAX-S .35 suddenly dies
  126. os 40la assembly trouble
  127. Os 70
  128. O.S.32FX low end needle setting????
  129. Os 32
  130. .61SF-P question
  131. OS 61RF-P Hatori Pipe
  132. O.S. 50SX-Hring
  133. OS .70 Surpassll Poor Midrange
  134. 46 FX Bearing removal (Siezed in place)
  135. Fs-140sp-fi??
  136. Silly Problem 7DV Carb
  137. Engine R.P.M.
  138. O.S. 160 fx low end adjustment problems
  139. FS-91SII Exhaust System
  140. Os 26 Fs
  141. Running an OS 120 FS pump without a muffler?
  142. Help -- OS 70 FS top end mixture / prop size?
  143. HELP!!!! 91 surpass cam position ??
  144. HELP! RX1.40 Problem (Bill-Some new info)
  145. FS-91SII Exhaust Port Thread Size
  146. OS 46FX - is fuel with 9% synthetic and 6% castrol ok?
  147. OS 120 III runs best at half throttle
  148. OS .25FX leaning out
  149. OS 70 Surpass Idle Problem
  150. OS 65LA A checkered history - Where do I go from here?
  151. Fuel in the RX1.40
  152. OS FT/160 Twin, Opinion Pse
  153. 40 fsr carburetor
  154. Os 50sxh
  155. OS .91 FS Surpass pump upgrade?
  156. 61 SF pump adjustment
  157. OS FT-120 prop
  158. OS reduction gear unit
  159. OS 120 111 pumped
  160. Help with O.S. .46SF
  161. Os 46fx
  162. OS FS-90 Bearing Sizes
  163. FS-26S Reverse rotation
  164. 2 minute motors
  165. OS 1.60 FX noise
  166. os46fx
  167. os fs-26s-cx no start
  168. OS 46 LA won't idle
  169. OS LA.40 thru .65-Remove the color?
  170. TYPE 60C CARB throttle stop screw
  171. Can a 46 FX H Ring be Converted into a 46 FX engine?
  172. OS SX 50 Pricing
  173. OS .48 and .90 4 cycle manual or settings?
  174. temperature?
  175. .91 FS surpass valve lash
  176. Replacement muffler screws
  177. Can't get connecting rod off crank pin. .46 SF
  178. 46FX suddenly dies?
  179. Clicking sound in OS91FS
  180. FS-91 II Surpass mounting and break-in
  181. 1.60 FX does it need a pump?
  182. Pitts muffler available for .25FX
  183. 91FX fuel consumption
  184. Scaled glow plugs - OS No.8 and A3
  185. OS .40la question
  186. Vintage/New/OLD FSR 40
  187. .61 FSR Head Bolt size?
  188. OS 46FX Head Gasket
  189. OS 46FX running problem
  190. converting twin 300 to gas?
  191. OS140RX Carby
  192. Need a threaded exhausted nipple for an OS FS-91
  193. os 61lxh
  194. OS 61SF pumped engine nipple hookup
  195. OS91 valve clearance
  196. OS 15 CV-RX' One-Way Bearing slipping
  197. os 91 fx knock/ping
  198. Gemini 1.20 She No Idle...
  199. OS .90 FS on 30% Heli
  200. 120 Surpass Mk I pump problem
  201. 1.60 FX questions
  202. O.S.45 FSR carb
  203. Os Ft-240
  204. OS 70,Second Request
  205. OS manual _vs_ break-in
  206. Os 160 Pipe Spacer Question
  207. OS 46 FX needle valve
  208. Any special forums existing for the FI motors?
  209. OS52fs
  210. 91FX again (sigh)
  211. OS 46fsr
  212. More power to any engine
  213. getting the most power out of my .91 fs
  214. O.S. 25 FX bogs down with 9X5 and 9X6 props...why?
  215. Old FX 46sf-Need help !
  216. 7M carb in a .61SF
  217. .46FX Bearing Damage???
  218. 48 Surpass muffler?
  219. 61 SF Carb pix
  220. peak torque range for OS FS70
  221. Super Charged FS120
  222. OS 61 RF/RF-P Rear Bearing Problems
  223. Replacement for the 61 RXH
  224. Os.46fx
  225. os 61 fs
  226. Os 108 Rear Bearings
  227. OS Max 40 RC
  228. About 61 RF pump
  229. OS LA Rebuilds?
  230. Proper break in procedure for OS 50 SX MAX
  231. detonation
  232. OS Max FS 26 4 stroke help
  233. Tower 46 / Also OS ???
  234. .61 FSR parts into a .61 SF
  235. Inhibiting after-run oil and O.S. Engines
  236. os 70
  237. Screws.
  238. too much heat for 46fx?
  239. Throttle lever info. needed
  240. Which engine to buy?
  241. Fuel For Use On Os Blackhead .60
  242. os61fs pump
  243. Loose crankshaft on 60FP
  244. 120 fs runs rich backfires
  245. FS-52 Throbbing
  246. from 10% nitro to 15%, break in again?
  247. OS Max 46 FX runs well, then quits...
  248. Os Blackhead 60 Parts
  249. OS FS-61 shutting down
  250. Surpass 91 with Pump Surge Problem

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