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  1. os 40 sr and 40 sf pistons
  2. OS .52
  3. OS 46 FX
  4. OS 91 & 120 Running 30% Heli Fuel
  5. OS 46LA
  6. OS .91FX and 15 nitro
  7. 18cvr fuel economy
  8. Different FP-40
  9. 46FX quitting after short flight time
  10. OS Gemini 300
  11. Cylinder head assy for older fs120 surpass
  12. OS 26 FS vs OS 20 FS
  13. 120 pumped , bogs when give throttle
  14. O.S. .15cvr pull start conversion
  15. Best performance air filter for .18TM/TZ
  16. os50sx ring install
  17. O.S. .91 FX
  18. .61 OS Max
  19. Surpass II Valve Cover
  20. Tach reading for O.S. 40 FP w/APC 11x7
  21. O.S. .50 Sx-h Hyper Questions...
  22. Need "blanking plugs" for OS Ducted Fan engines.
  23. FS-120SP Surpass Thread Size
  24. OS 40 FSR weight with muffler???
  25. OS .18tz for Revo?
  26. In flight mixer
  27. online buying parts for os 46 max
  28. OS 1.60 RX?????
  29. 60 degree header pipe for OS 120 III muffler.
  30. OS 50 sx - engine Quits - throttle opening
  31. FL-70
  32. timing of Fsr1.08
  33. 40 LA new sleeve is different?
  34. FS 120s SP problem
  35. os .61 fsr
  36. OS 91 Surpass II
  37. OS FS 46 Carb to a OS FX 46 Question
  38. OS Engines Storage
  39. FT-160
  40. Fitting new piston and Ring to OS FS120III pumper
  41. Older 1.40RX
  42. OS 91 Surpass
  43. OS 50-SX Prop
  44. OS 108 head gaskets...
  45. SF..FSR exhaust opening..same?
  46. Revo Header
  47. OS 1.08FSR
  48. super charging os 91 fs
  49. 160FX fuel flow rate and Max prop size ?
  50. OS .61 FSR-H prop shaft thread size?
  51. OS 1.08FSR Pressure
  52. rebuilding a 32 F question..
  53. 50 sx rebuild?
  54. os 45
  55. O.S .91 FX Surpass ...starting problem
  56. Replacement carburetor
  57. OS120FS w/pump
  58. OS 300 Super Gemini Twin Questions...
  59. updating os max 20 sp
  60. Drive hub OS-FS 120
  61. OS 18TZ Backplate P/N
  62. O.S. .70 Prop
  63. diff between DTX .18 and OS .18CV
  64. Fuel Line Length for OS46FX
  65. O S 1.60
  66. OS 18TM Oil Percentage
  67. os fx 160 keeps deadsticking?
  68. OS 1.40 FI
  69. OS Pipe for 18TM
  70. Where can I get piston ring for an old OS45FSR..?
  71. OS FS 40
  72. OS 1.08 in a Funtana 90 - What prop to start with
  73. *OS 50 SX Break-in*
  74. FS-90
  75. os140rx
  76. OS 18TM crank for the 18TZ?
  77. os 40fp question
  78. FS-120 Surpass III Engine w/Pump questions
  79. Fuel for .46 FX Question
  80. OS61 fs
  81. OS Carb's
  82. OS 15 MAX RC
  83. OS 91 FSR (What Carb)
  84. Surpass 52 exhaust jam-nut repacements
  85. OS 46 ax Muffler
  86. OS Parts Question
  87. OS 61 RF
  88. .18 tm vs. .18 tz
  89. OS 18 CV-RX IDLES INCONSISTENT AFTER PORTING..PLEASE HELP!!!
  90. 40la vs. 40fp
  91. 4-stroke without muffler??
  92. Idle to high
  93. OS FS-70 Ultimate RPM Figures
  94. OS 91 FX bearings repair under warranty?
  95. OS 300 questions
  96. OS 46 SF
  97. Discontinued .12 TR (P)-T R-Spec?
  98. Older FS-120
  99. OS 91FX fuel vs. Prop vs. RPM
  100. OS 48 info and help
  101. OS 30 Identification
  102. 91 fx fuel supply
  103. OS46FX conrod bearing problem..
  104. bgx trouble
  105. os fs70 timing
  106. Carburetor 7L
  107. Muffler for OS 120?
  108. OS 160 Twin fuel question
  109. Question on OS40C Carb
  110. OS 46 AX Question
  111. Looks like corrosion but I´m not sure
  112. Combat is killing my motors. A few Q's
  113. 46 with short prop shaft
  114. FS91 Needle Valve
  115. 91 FX problems, still
  116. I need help fast!
  117. os 70 szh heli engine impossible to tune
  118. .46 ducted fan engine
  119. 18CV-rx (s) throttle arm
  120. OS FS 70 Ultimate Fuel Change
  121. OS 300 mounting template
  122. OS50SXH needle valve...
  123. 50-SX and 50SXH differences...
  124. OS FS-70 Ultimate
  125. O-ring (low speed needle) for 46 SF 4D carb
  126. bubbles in OS 50 sx
  127. OS 120s-sp question...
  128. OS 160 twin question
  129. Mufflers for O.S. 70 4-stroke
  130. OS MAX .61 SF WITH PUMP
  131. u can do by great planes with os 91fx
  132. Questions about rebuilt 25FSR
  133. 91 Surpass ideal rpm range and breakin question
  134. 40 FSR
  135. FS-120 W/Pump
  136. ID old OS 45
  137. OS wankel
  138. 91 surpass II
  139. O.S. FS 70S suffers delayed idle.
  140. 50SX Overheating - Carbon??
  141. OS 46AX - can it be mounted inverted
  142. A3 or #8 OS Glow Plug
  143. Effects of lower nitro on 91FX
  144. 46FX Cone Baffle
  145. OS 46 VX-DF Fuel Question
  146. 90fs w/pump ??
  147. old o.s. engine
  148. OS Fs40S
  149. 70A carb changes??
  150. ultimate 70 pump
  151. using a tach, where should one set a .46ax?
  152. OS MAX 60 SR
  153. 46 fx looking bad
  154. O.S. 91FX not having enough power
  155. help with OS carb 4a
  156. After-run procedures
  157. OS 70 Ultimate IDLE setting
  158. os 91sII - break in question
  159. OS DTX .18
  160. OS FS 70 Ultimate Adjustment.
  161. OS 5O SX BUBBLES
  162. OS 91FS Surpass Muffler
  163. FS 120 two covers
  164. O.S. .12 TR Pinging Sound
  165. Tank location for Inverted 46FX
  166. OS 120 FS Series
  167. New engine
  168. .18CV-RX
  169. O.S. 120 Type I Surpass w/pump Questions
  170. Leaking Afterrun Oil
  171. OS50 SX LOSS OF POWER
  172. Question on Post-crash Maintenance
  173. tank mounting on 91fx
  174. Timing an OS 91FS Surpass
  175. OS .91 Head Bolts
  176. OS 140RX
  177. OS FS 70 needle valve.
  178. 91FX Problems
  179. What size prop for a 46 FX
  180. FS-91sII-P
  181. Pressure Fitting for OS 1.6 FX
  182. O.S 120 SP
  183. 15 cv-x hyper, difficult to turn over
  184. OS .46 SF-P : what is this engine?
  185. 1983 FS-90 advise
  186. os70 surpass
  187. OS Engines
  188. OS BGX-1 Tuning
  189. what glow plug with 30% Nitro & 46FX?
  190. Typical OS 91 FX RPM Range
  191. OS 40 LA Carb Settings
  192. OS 160 FX
  193. After run oil?
  194. OS 52 Surpass won't idle w/o glow-plug
  195. I need parts for my Ft-120
  196. ALTERNATIVE SOLUTION OF 46SX-PISTON SLEEVE
  197. 91 FX bearing question
  198. Trouble starting/idling O.S. .15 CV-X
  199. New OS 70 FS power vs. LA .65
  200. Sensitive needle adjustment.
  201. MOVED: OS FS70 full throttle problem
  202. Damaged OS 91 Surpass w/ Pump
  203. FS70 Surpass 2 muffler question
  204. Which prop for 91FX pulling 8.5 lbs Extra?
  205. 1.6FX carb alternative
  206. OS- .50sx Surging at full thottle? Help!!
  207. OS 61 MAX RF and Hatori 650 pipe
  208. OS 45 FSR ABC Bearings
  209. MOVED: OS Radial
  210. Head Shims
  211. OS 61 FX / Mac Tune Pipe and header
  212. OS .46 FX Break-in
  213. Oilly mess or normal.
  214. OS 120 III pumped
  215. OS .46AX in Funtan S 40
  216. 40/46 LA Parts Pack
  217. regulator leak - FS 91 Surpass with pump
  218. 40/46 LA Carb
  219. Needle Valve for OS 120 Surpass I
  220. Supercharged OS FS 120 SP
  221. FUEL PUMP FOR O.S. BGX-1
  222. Need help tuning my OS61RF-P
  223. OS 7D carb
  224. 52 Surpass with Perry VP30 Pump
  225. Pressure nipple thread size
  226. Bearing replacement 0S 120
  227. FS 70 Ultimate won't run
  228. 91 SX-H & 91 FX rear bearing
  229. .46 FX won't stop running
  230. os .61vrm and cmb .90 tuned pipe
  231. Old Engine Instructions
  232. OS .61 SF (Ring)
  233. OS 1.6 FX W/PERRY PUMP(REGULATED)
  234. OS 61FX
  235. OS 70 - looks fine, won't start
  236. OS FT-300
  237. 0S.46 max in nexstar
  238. 1.60FX on FAI fuel
  239. OS-140RX-FI adjustments...
  240. 1.4 vs. 1.6
  241. cylinder liner not fitting
  242. 91 FS surpass
  243. % Oil suitable for OS
  244. 46 SF shuts off
  245. OS 1.20 with pump
  246. help to find parts
  247. OS 120FS III Breaking In?
  248. FS .52 reverse rotation
  249. OS 91 FX idle question
  250. OS .50-SX Air Bubbles Remote Needle????

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