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