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  1. old os engines
  2. OS 91FS question
  3. 120 surpass pump problems
  4. 91 FX
  5. OS 50 SX Ringed
  6. Choke valve
  7. FT-300 exhaust
  8. O.S. 18TM Tuning
  9. 70 ultimate pump question
  10. O.S. FL-70 RC 4-Stroke
  11. 46 OS FX repair
  12. 46FX liner problem & 46SF problem
  13. Cleaning up OS 46 LA
  14. .37 OS Heli engine questions
  15. O.S. Max FS-70 Ultimate question
  16. Can I use roto start on OS 18TM?
  17. 46 fx with bisson muffler - lack of presure?
  18. MOVED: OS Max .46 DX-DF Fuel consumption
  19. os 18 tm and tz questions
  20. OS 40 LA Issues
  21. 52 Surpass: Low end idle
  22. 52 Surpass: Low end idle
  23. 120 Surpass w/pump
  24. .40 LA engine
  25. OS rear-mounted fuel pump
  26. What tuned pipe to use with a CV-RX .18
  27. .91FX Decibel Reduction
  28. FS-70 Surpass II
  29. TZ parts in TM ?
  30. Disassembly / Reassembly Instructions Requested
  31. 18TM Mid Needle Adjust
  32. OS52 Hole in crankcase
  33. Tuned pipe for O.S. TM .18
  34. FL-70 sounds weird
  35. os 18tm trouble starting engine
  36. i reciev.18TM Break In
  37. Hanno Special MK1 .61
  38. OS 1.60FX 3D prop question
  39. OS .12 CV-RX Question
  40. O.S. FS-120S setup????
  41. 108 old style carb
  42. OS 91 & 77 VRDF ABC or ABN???
  43. OS61FS RUNNING PROBLEM
  44. Follow-up on older OS 91 parts
  45. Can I burn 30% Heli Fuel in my O.S. 70 4-Stroke?
  46. 1992 OS 91 Surpass Torque Spec's.
  47. Woodruff key
  48. Older OS 91 Surpass parts
  49. So, Bax, about these parts. . .
  50. O.S .52 Four Stroke Inverted?
  51. OS Max 40FP Instructions and Gaskets
  52. .10 max power output?
  53. OS 61 FSR instructions
  54. FS-120S-E silencer
  55. OS 52 Surpass rpms, throw
  56. OS .18TM crank into a TZ being done?
  57. replacing the valves on a O.S. Surpass 70
  58. os 61 sf
  59. How to setup camshaft timing at OS FT-160??
  60. OS MAX 40 LA
  61. *OS .61 FX Presure Fitting Size*
  62. OS 120 Surpass II
  63. picc/ofna.21max
  64. OS18TM Break in help
  65. Temp range for O.S. 18 CVRX?
  66. OS max FP40 issues
  67. FL 70
  68. Engine gurus please look at this!!!
  69. FS70 Ultimate Pump assembly...need help
  70. Gasket set for 45 FSR
  71. OS .18TM in Revo issues......
  72. help needed for os fs 120 with pump
  73. O.S. 91 FX Surging Etc...
  74. New OS 37 heli
  75. surpass consults on prices of 120 parts you siries
  76. OS FR5 300
  77. OS .61 MAX Parts?
  78. OS Surpass 61 carb
  79. os 46 fx bearings
  80. 61-RF PUMP ISSUE
  81. Replacement Camshaft for FS-61?
  82. .21 tuned pipe for O.S. .18 TM?
  83. Hey Bax! Do you know...
  84. OS 91FX target RPM?
  85. OS 26 Surpass
  86. header pipe for .18 TZ question?
  87. os 40 vf
  88. dtx 18
  89. OS FS52 Crankcase/Exhaust Thread
  90. .18 TM tips, etc..
  91. os 40 sr and 40 sf pistons
  92. OS .52
  93. OS 46 FX
  94. OS 91 & 120 Running 30% Heli Fuel
  95. OS 46LA
  96. OS .91FX and 15 nitro
  97. 18cvr fuel economy
  98. Different FP-40
  99. 46FX quitting after short flight time
  100. OS Gemini 300
  101. Cylinder head assy for older fs120 surpass
  102. OS 26 FS vs OS 20 FS
  103. 120 pumped , bogs when give throttle
  104. O.S. .15cvr pull start conversion
  105. Best performance air filter for .18TM/TZ
  106. os50sx ring install
  107. O.S. .91 FX
  108. .61 OS Max
  109. Surpass II Valve Cover
  110. Tach reading for O.S. 40 FP w/APC 11x7
  111. O.S. .50 Sx-h Hyper Questions...
  112. Need "blanking plugs" for OS Ducted Fan engines.
  113. FS-120SP Surpass Thread Size
  114. OS 40 FSR weight with muffler???
  115. OS .18tz for Revo?
  116. In flight mixer
  117. online buying parts for os 46 max
  118. OS 1.60 RX?????
  119. 60 degree header pipe for OS 120 III muffler.
  120. OS 50 sx - engine Quits - throttle opening
  121. FL-70
  122. timing of Fsr1.08
  123. 40 LA new sleeve is different?
  124. FS 120s SP problem
  125. os .61 fsr
  126. OS 91 Surpass II
  127. OS FS 46 Carb to a OS FX 46 Question
  128. OS Engines Storage
  129. FT-160
  130. Fitting new piston and Ring to OS FS120III pumper
  131. Older 1.40RX
  132. OS 91 Surpass
  133. OS 50-SX Prop
  134. OS 108 head gaskets...
  135. SF..FSR exhaust opening..same?
  136. Revo Header
  137. OS 1.08FSR
  138. super charging os 91 fs
  139. 160FX fuel flow rate and Max prop size ?
  140. OS .61 FSR-H prop shaft thread size?
  141. OS 1.08FSR Pressure
  142. rebuilding a 32 F question..
  143. 50 sx rebuild?
  144. os 45
  145. O.S .91 FX Surpass ...starting problem
  146. Replacement carburetor
  147. OS120FS w/pump
  148. OS 300 Super Gemini Twin Questions...
  149. updating os max 20 sp
  150. Drive hub OS-FS 120
  151. OS 18TZ Backplate P/N
  152. O.S. .70 Prop
  153. diff between DTX .18 and OS .18CV
  154. Fuel Line Length for OS46FX
  155. O S 1.60
  156. OS 18TM Oil Percentage
  157. os fx 160 keeps deadsticking?
  158. OS 1.40 FI
  159. OS Pipe for 18TM
  160. Where can I get piston ring for an old OS45FSR..?
  161. OS FS 40
  162. OS 1.08 in a Funtana 90 - What prop to start with
  163. *OS 50 SX Break-in*
  164. FS-90
  165. os140rx
  166. OS 18TM crank for the 18TZ?
  167. os 40fp question
  168. FS-120 Surpass III Engine w/Pump questions
  169. Fuel for .46 FX Question
  170. OS61 fs
  171. OS Carb's
  172. OS 15 MAX RC
  173. OS 91 FSR (What Carb)
  174. Surpass 52 exhaust jam-nut repacements
  175. OS 46 ax Muffler
  176. OS Parts Question
  177. OS 61 RF
  178. .18 tm vs. .18 tz
  179. OS 18 CV-RX IDLES INCONSISTENT AFTER PORTING..PLEASE HELP!!!
  180. 40la vs. 40fp
  181. 4-stroke without muffler??
  182. Idle to high
  183. OS FS-70 Ultimate RPM Figures
  184. OS 91 FX bearings repair under warranty?
  185. OS 300 questions
  186. OS 46 SF
  187. Discontinued .12 TR (P)-T R-Spec?
  188. Older FS-120
  189. OS 91FX fuel vs. Prop vs. RPM
  190. OS 48 info and help
  191. OS 30 Identification
  192. 91 fx fuel supply
  193. OS46FX conrod bearing problem..
  194. bgx trouble
  195. os fs70 timing
  196. Carburetor 7L
  197. Muffler for OS 120?
  198. OS 160 Twin fuel question
  199. Question on OS40C Carb
  200. OS 46 AX Question
  201. Looks like corrosion but I´m not sure
  202. Combat is killing my motors. A few Q's
  203. 46 with short prop shaft
  204. FS91 Needle Valve
  205. 91 FX problems, still
  206. I need help fast!
  207. os 70 szh heli engine impossible to tune
  208. .46 ducted fan engine
  209. 18CV-rx (s) throttle arm
  210. OS FS 70 Ultimate Fuel Change
  211. OS 300 mounting template
  212. OS50SXH needle valve...
  213. 50-SX and 50SXH differences...
  214. OS FS-70 Ultimate
  215. O-ring (low speed needle) for 46 SF 4D carb
  216. bubbles in OS 50 sx
  217. OS 120s-sp question...
  218. OS 160 twin question
  219. Mufflers for O.S. 70 4-stroke
  220. OS MAX .61 SF WITH PUMP
  221. u can do by great planes with os 91fx
  222. Questions about rebuilt 25FSR
  223. 91 Surpass ideal rpm range and breakin question
  224. 40 FSR
  225. FS-120 W/Pump
  226. ID old OS 45
  227. OS wankel
  228. 91 surpass II
  229. O.S. FS 70S suffers delayed idle.
  230. 50SX Overheating - Carbon??
  231. OS 46AX - can it be mounted inverted
  232. A3 or #8 OS Glow Plug
  233. Effects of lower nitro on 91FX
  234. 46FX Cone Baffle
  235. OS 46 VX-DF Fuel Question
  236. 90fs w/pump ??
  237. old o.s. engine
  238. OS Fs40S
  239. 70A carb changes??
  240. ultimate 70 pump
  241. using a tach, where should one set a .46ax?
  242. OS MAX 60 SR
  243. 46 fx looking bad
  244. O.S. 91FX not having enough power
  245. help with OS carb 4a
  246. After-run procedures
  247. OS 70 Ultimate IDLE setting
  248. os 91sII - break in question
  249. OS DTX .18
  250. OS FS 70 Ultimate Adjustment.