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  1. OS-40LA idle problem
  2. .50 SX Low on power
  3. Removing camshaft bearings?
  4. OS91FX+TUNNED PIPE
  5. need help tuning a os max cv-r
  6. OS FS 120 WRIST PIN REMOVAL
  7. How do you remove OS .30 VG rear bearing?
  8. OS .46 support.
  9. OS 91FX Head Gasket Leak?
  10. Os 46ax Muffler problem
  11. 15CVR and 18CVR carbs interchangable?
  12. OS vz-m WONT STAY RUNINNG
  13. do the OS FS engines come with any tools?
  14. O.S. 30 FS Surpass Ringed Engine
  15. intake stack for OS carbs?
  16. OS .30 VG symptoms
  17. High end and low end for .70 Surpass II
  18. OS.91SX-H C SPEC PS- VIPER
  19. OS 21VZ-B V-Spec-T HELP
  20. OS 46 SF ABC
  21. OS 55AX Carb loosening
  22. .12tz carb restrictor/ break in on crt.5
  23. 2 O.S. engines, same problem
  24. OS FT 160 Twin Cam Timing
  25. Problem running .12tz (5)...help pls..
  26. Chart Method to find years of manufacture- Help
  27. The elusive 75AX Ringed engine....
  28. Info on my OS 70 Surpass engine?
  29. OS Max 12TZ Tuned
  30. Breaking in OS 1.20 AX for pusher config
  31. New 4-Stroke What Fuel?
  32. idling speed
  33. Glow plugs burnt out
  34. os
  35. OS 30VG cutting off
  36. o.s 21tm
  37. Sirius collector ring installation problem
  38. What happen to the OS 70 Surpass II
  39. RE: 32sx piston and conrod
  40. RE: 32sx piston and conrod
  41. OS 70 sz-h for airplane use
  42. Max 12TZ(P) T3 Temperature
  43. 46 AX Head shim
  44. .18cv-r cooling head
  45. OS 91 SURPASS
  46. O.S. 1.20 AX Remote Needle Valve ??
  47. .12CV-X Question
  48. Rerouting exhaust on OS 40 FS
  49. .91FX tuned pipe?
  50. Is there an AX on the way between the .75 and 1.20
  51. FS 200
  52. OS-140 EFI Question
  53. 1.60fx
  54. 0.12 TR with 0.12TZ Turbo Head
  55. OS46AXABL
  56. OS 160 Twin
  57. OS MAX 40-H - Worth to restore?
  58. OS FS-120 Two-Cover Valve Lash
  59. FS 120 Supercharged HELP
  60. OS 77 VRDF
  61. What engine to use
  62. just delete this.
  63. os 18tm getting hot
  64. OS 0.12 TR @ 0.15 Turbo Head
  65. 3 blade prop &Tank configuration - FS 91
  66. AX46 Muffler Gasket
  67. pressure tube length
  68. String engine
  69. FS90 Overhaul Help
  70. Fuel for V-spec
  71. Hanno RE 61 replacement
  72. What Pipe for the OS 160
  73. OS 160 Gemini Carb Differences
  74. FT-120 Carb
  75. os 46ax rear bearing
  76. O.S. .70 Surpass Valve Timing
  77. MOVED: how to get CAD model for the OS engines
  78. 160 FX Midrange
  79. NItro MIxture, Timing, and Head Shims
  80. All my engines
  81. OS 50sx
  82. 46FX vs 55AX
  83. discontinued
  84. Duratrax LR3 in 18TZ.
  85. Re: OS 160 Twin 4 Stroke..
  86. OS 18 CVR break-in
  87. os 120 pump ticking noise
  88. .12 tz
  89. SF or FSR ?
  90. os 160 twin tank vent
  91. OS 160 Twin
  92. 25fx and 32sx exhaust port bolt pattern
  93. Inverted OS 91fs
  94. OS 55AX wont stay running
  95. break in the speed.
  96. OS FS 70 Rocker cover question
  97. Is my FX .61 casing toast?
  98. Fuel suggestion for OS engines
  99. leaky 46AX muffler
  100. OS 70 Bearing replacement
  101. O.S .46FXi cuts out ONLY while in the air
  102. O.S. .18 CV-R Starter
  103. V-Spec Speed Starting Problems..
  104. Fuel consumption 70 Surpass vs 46ax
  105. Aerobatic Fuel Tank Set Up
  106. OS 120 FS -E Fuel lines?
  107. O.S. FS-120 III Surpass Pumped
  108. OS 91 fuel inlet question
  109. making sense of horse power
  110. Thrust OS.40 engine
  111. will 7M carb work for the 61SF series engines?
  112. What Engine to use ???
  113. OS 90FS
  114. OZ TZ .12 crank?
  115. OS.91 4-stroke engine help needed
  116. OS 50SX won't run over mid throttle
  117. .91 OS engine question... how many turns
  118. OS 120 FS -E Strip Down
  119. 60 FSR vs 61 FSR crankcase
  120. Piston ring for os max-h 60
  121. CZ
  122. Breaking In FL-70
  123. Gemini 120 idle problem
  124. Customer loyalty and OS parts supply
  125. OS 200u Fuel consumation
  126. OS 91FX trouble...
  127. OS 46 AX break-in
  128. OS TZ .12
  129. .25Fx question
  130. OS 160FX is this normal?
  131. 61 FSR-VF Cylinder Sleeve
  132. .30VG stalls on big landings??
  133. OS 18 CV-RX one-way bearing slip
  134. 45 fsr
  135. LA engines being replaced?
  136. OS 52 FS RPM
  137. OS 91 Surpass Starting Trouble
  138. I have a problem with the OS forum
  139. head gasket on a os 60Sf
  140. OS 91FX vs 75AX
  141. O.S. FS .70S Run Problem
  142. 744 muffler alternatives
  143. How does this engine look:
  144. OS 70 Ultimate Pump parts
  145. MOVED: tach readings for 18x6 simitar wood prop on os 1.6 with bisson muffler
  146. OS 60 FP engine vibration????
  147. test
  148. OS FS-200S-P
  149. OS 91FX - New HS Needle Valve - Where to start?
  150. Hey Bax.
  151. FS-200U fuel tubing size
  152. FS-200U pitts style muffler
  153. MOVED: Should I be adjusting my Perry VP30?
  154. MOVED: OS160FX w/VP-30 Perry Pump
  155. OS 91 II Surpass Muffler
  156. Help for os max S35 R/C
  157. wrong messages pls delete this
  158. OS FS-200S Pump
  159. 46 LA Dead sticks
  160. Prop size for OS 108 FSR
  161. OS56a
  162. H.P.rating fs-91
  163. OS 200 adjustments????
  164. OS engine torque curves
  165. please help me tune this
  166. vaporlock 18tm
  167. 40 surpass air bleed adjust
  168. max .21tm specs
  169. OS FSA 56
  170. FX61 and glow plugs
  171. (SPECIAL EDITION)
  172. motor troubles
  173. os 61 fx tuning
  174. 18 TM install
  175. OS .91 surpass II pump parts
  176. OS .61 FS 4 Stroke and Head Gasket Cylinder
  177. OS 61 RF and Hatori PipeHi all.
  178. OS 1.60 and VP-20 pump
  179. Newbie OS 91 Surpass prop???
  180. OS 18TM Questions
  181. 46 SF Help
  182. O.S. 55 AX HORSE POWER RATING?
  183. FT-300 Slow Transition
  184. 18CV-R help needed
  185. OS. 18TM leaking FB
  186. 91 FS Surpass II prop
  187. ft-160 os. twin tune que.
  188. OS engines and Top Flight header
  189. Tuned pipe for OS sz 70 H heli engine
  190. FS-18SR starting problems
  191. New OS 75 AX
  192. o.s. .91 FS Surpass II w/ 60P carb
  193. OS 120 ax Plug ?
  194. 46AX Problems
  195. Were all SF .61's Long Strokes?
  196. OS FS-48 RING WANTED NEW
  197. Question on the LA40
  198. OS 120 Ax baffle removal?
  199. *OS 120AX Head Bolts Came Loose*
  200. Break-in process for OS .18CVRX
  201. OS FS200S
  202. OS 18TM Factory Settings
  203. o.s 61 FS 4 stroke
  204. OS 120 Axs in a ME 262
  205. Setting up a 7l carb
  206. Bubbles in Fuel after Remote Needle Valve
  207. Remote Needle Valve Conversion for OS .60FP???
  208. OS 120 PUMP 111 fuel and pump problems
  209. OS 50 Ring Fuel Delivery Problem
  210. OS 46AX needle vavle mount
  211. os 18tz
  212. OS FS camshaft peeling, pump regulator parts
  213. OS120 AX
  214. mounting an OS FS-70 sideways?
  215. OS 46FX peeling cylinder liner
  216. 0%nitro for OS120AX?
  217. OS pumped .91 Surpass vs. ???
  218. Lost HS needle valve extension for .61FX
  219. Scared my OS is too hot...
  220. Difficulty getting new motor started.
  221. Muffler for OS.25 Max
  222. 744 Muffler....what engine
  223. FS-91 II Surpass muffler problem
  224. Question on nitro content for 160, 120
  225. .21 xm piston
  226. can i use a starter box for my os 18 cvrx (pull start)?
  227. OS 120 and 160
  228. 70 surpass camshaft delaminating
  229. OS MAX FXi 46 engine stall problem going vertical
  230. OS 61SF rmp dropping
  231. O.S. .61rf Hanno special
  232. WHERE'S BAX?
  233. OS 160 issues
  234. Bax OS Needle valve unit
  235. OS46AX white exhaust residue
  236. O.S. 0.46 brand new issue?
  237. Opertaing temp for O.S. FS-91 II Surpass
  238. OS.90FSR DatŠ° & Manual
  239. MOVED: OS .30VG
  240. Problem with os 18tm in revo
  241. I Stripped My Head's Plug Threads.
  242. 2nd gen. wankel question
  243. OS120 pump Surpass I
  244. OS 91 FX Needle Valve Question
  245. Dose a pumped OS 91 get after run oil
  246. OS FS-91 SII-P
  247. OS Max .15 III Prop Shaft Thread
  248. os 55ax manual
  249. 70 Ultimate "original" vs "new"
  250. OS 30VG (P) ES