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  1. .30 VG rotostart?
  2. 30 VG "safe" temps...
  3. OS 91 Surpass header
  4. OS FSa 56 problem
  5. Cooling head for .30VG
  6. O.S. 40LA needle valve + airbleed screw setting.
  7. O.S. FS-91 II Surpass w/Pump fuel tank location?
  8. os.18cvrx w/11j rotary carb
  9. os 40la screw help
  10. O.S 1.6fx new ring
  11. .91 FX + Macs Tuned Pipe Questions
  12. OS18TZ standard shaft with rot carb ?
  13. OS 15 FP RPM
  14. "Locked Up": Drive Hub and Woodruff Key
  15. OS 200 4/C question
  16. FSa-56 Inverted mounting
  17. FSa-56 fuel
  18. OS .21RG non pullstart
  19. MOVED: cordless starter
  20. O.S. 55AX Inverted Mount Problems
  21. o.s 55ax
  22. os 70 surpass 2 drive washer
  23. OS VSpec #13895
  24. OS .55 AX Funfly
  25. MOVED: O.S. .81 FS-A
  26. O.S. 160 Sleeve repair Question???????
  27. O.S 52 surpass carb adjustment
  28. Pattern prop for new OS 91FX
  29. FS120 Series II pumped - fuel leak at regulator
  30. .26FS Questions
  31. O.S. 61VR-M Connecting rod
  32. which 3 blade prop for 91fx?
  33. OS 25 FSR Backplate and gasket
  34. OS 46SF P VS 46FX
  35. OS 75AX Pitts style muffler questions
  36. O.S. 21 V-Spec
  37. 91 fx carb replacement
  38. 91FX prop rpm
  39. OS 50SX-H graduation markings ??
  40. Factory slide carb settings for OS Max 12CV
  41. OS 61fx corrosion
  42. problems with .46 FX H SOLVED!
  43. OS 91 FS surpass
  44. OS FT-120 II - ideal rpm
  45. ft160 low compression
  46. OS 1.20 Pumped Motor Mount
  47. Alternate OS break-in procedure?
  48. Correct spec 18TZ-X
  49. Advice on maintenance of OS
  50. OS 15CV-R and 18CV-R take the same header?
  51. Air bleed screw for Max-H 40
  52. 25fx
  53. Ring for old OS50 Max
  54. OS.46 FXI needle valve
  55. Help with An OS.46SF-P
  56. Glo plugs for older OS engines.
  57. 40 LA Question
  58. Fuel line connections on 160 twin?
  59. OS .25 FX
  60. .46 FXi and .46AX
  61. MOVED: Just ordered the os 75 ax
  62. O.S. FS-90 Carb
  63. OS .61 FX break in prop
  64. OS 18tm meter valve problem
  65. AX55 After market muffler
  66. O.S. FS-26S-C II 4-Stroke cam bearings
  67. OS 140 RX rear exhaust gasket
  68. OS 46 AX
  69. os fs 40 surpass 4 stroke engine parts
  70. o.s 21tm
  71. I need the part # for the 10E-R carburetor for my .12 cv-r engine?
  72. Gasket material for OS engines
  73. OS 4 stroke runs best upright or inverted?
  74. FS-91SII Fuel doesn't flow to carb
  75. OS 120 Surpass - Pump or no pump?
  76. TIMING MARKS IL 300?
  77. OS FT-120 Gemini engine
  78. lube for os 2stroke engines
  79. OS-40LA idle problem
  80. .50 SX Low on power
  81. Removing camshaft bearings?
  82. OS91FX+TUNNED PIPE
  83. need help tuning a os max cv-r
  84. OS FS 120 WRIST PIN REMOVAL
  85. How do you remove OS .30 VG rear bearing?
  86. OS .46 support.
  87. OS 91FX Head Gasket Leak?
  88. Os 46ax Muffler problem
  89. 15CVR and 18CVR carbs interchangable?
  90. OS vz-m WONT STAY RUNINNG
  91. do the OS FS engines come with any tools?
  92. O.S. 30 FS Surpass Ringed Engine
  93. intake stack for OS carbs?
  94. OS .30 VG symptoms
  95. High end and low end for .70 Surpass II
  96. OS.91SX-H C SPEC PS- VIPER
  97. OS 21VZ-B V-Spec-T HELP
  98. OS 46 SF ABC
  99. OS 55AX Carb loosening
  100. .12tz carb restrictor/ break in on crt.5
  101. 2 O.S. engines, same problem
  102. OS FT 160 Twin Cam Timing
  103. Problem running .12tz (5)...help pls..
  104. Chart Method to find years of manufacture- Help
  105. The elusive 75AX Ringed engine....
  106. Info on my OS 70 Surpass engine?
  107. OS Max 12TZ Tuned
  108. Breaking in OS 1.20 AX for pusher config
  109. New 4-Stroke What Fuel?
  110. idling speed
  111. Glow plugs burnt out
  112. os
  113. OS 30VG cutting off
  114. o.s 21tm
  115. Sirius collector ring installation problem
  116. What happen to the OS 70 Surpass II
  117. RE: 32sx piston and conrod
  118. RE: 32sx piston and conrod
  119. OS 70 sz-h for airplane use
  120. Max 12TZ(P) T3 Temperature
  121. 46 AX Head shim
  122. .18cv-r cooling head
  123. OS 91 SURPASS
  124. O.S. 1.20 AX Remote Needle Valve ??
  125. .12CV-X Question
  126. Rerouting exhaust on OS 40 FS
  127. .91FX tuned pipe?
  128. Is there an AX on the way between the .75 and 1.20
  129. FS 200
  130. OS-140 EFI Question
  131. 1.60fx
  132. 0.12 TR with 0.12TZ Turbo Head
  133. OS46AXABL
  134. OS 160 Twin
  135. OS MAX 40-H - Worth to restore?
  136. OS FS-120 Two-Cover Valve Lash
  137. FS 120 Supercharged HELP
  138. OS 77 VRDF
  139. What engine to use
  140. just delete this.
  141. os 18tm getting hot
  142. OS 0.12 TR @ 0.15 Turbo Head
  143. 3 blade prop &Tank configuration - FS 91
  144. AX46 Muffler Gasket
  145. pressure tube length
  146. String engine
  147. FS90 Overhaul Help
  148. Fuel for V-spec
  149. Hanno RE 61 replacement
  150. What Pipe for the OS 160
  151. OS 160 Gemini Carb Differences
  152. FT-120 Carb
  153. os 46ax rear bearing
  154. O.S. .70 Surpass Valve Timing
  155. MOVED: how to get CAD model for the OS engines
  156. 160 FX Midrange
  157. NItro MIxture, Timing, and Head Shims
  158. All my engines
  159. OS 50sx
  160. 46FX vs 55AX
  161. discontinued
  162. Duratrax LR3 in 18TZ.
  163. Re: OS 160 Twin 4 Stroke..
  164. OS 18 CVR break-in
  165. os 120 pump ticking noise
  166. .12 tz
  167. SF or FSR ?
  168. os 160 twin tank vent
  169. OS 160 Twin
  170. 25fx and 32sx exhaust port bolt pattern
  171. Inverted OS 91fs
  172. OS 55AX wont stay running
  173. break in the speed.
  174. OS FS 70 Rocker cover question
  175. Is my FX .61 casing toast?
  176. Fuel suggestion for OS engines
  177. leaky 46AX muffler
  178. OS 70 Bearing replacement
  179. O.S .46FXi cuts out ONLY while in the air
  180. O.S. .18 CV-R Starter
  181. V-Spec Speed Starting Problems..
  182. Fuel consumption 70 Surpass vs 46ax
  183. Aerobatic Fuel Tank Set Up
  184. OS 120 FS -E Fuel lines?
  185. O.S. FS-120 III Surpass Pumped
  186. OS 91 fuel inlet question
  187. making sense of horse power
  188. Thrust OS.40 engine
  189. will 7M carb work for the 61SF series engines?
  190. What Engine to use ???
  191. OS 90FS
  192. OZ TZ .12 crank?
  193. OS.91 4-stroke engine help needed
  194. OS 50SX won't run over mid throttle
  195. .91 OS engine question... how many turns
  196. OS 120 FS -E Strip Down
  197. 60 FSR vs 61 FSR crankcase
  198. Piston ring for os max-h 60
  199. CZ
  200. Breaking In FL-70
  201. Gemini 120 idle problem
  202. Customer loyalty and OS parts supply
  203. OS 200u Fuel consumation
  204. OS 91FX trouble...
  205. OS 46 AX break-in
  206. OS TZ .12
  207. .25Fx question
  208. OS 160FX is this normal?
  209. 61 FSR-VF Cylinder Sleeve
  210. .30VG stalls on big landings??
  211. OS 18 CV-RX one-way bearing slip
  212. 45 fsr
  213. LA engines being replaced?
  214. OS 52 FS RPM
  215. OS 91 Surpass Starting Trouble
  216. I have a problem with the OS forum
  217. head gasket on a os 60Sf
  218. OS 91FX vs 75AX
  219. O.S. FS .70S Run Problem
  220. 744 muffler alternatives
  221. How does this engine look:
  222. OS 70 Ultimate Pump parts
  223. MOVED: tach readings for 18x6 simitar wood prop on os 1.6 with bisson muffler
  224. OS 60 FP engine vibration????
  225. test
  226. OS FS-200S-P
  227. OS 91FX - New HS Needle Valve - Where to start?
  228. Hey Bax.
  229. FS-200U fuel tubing size
  230. FS-200U pitts style muffler
  231. MOVED: Should I be adjusting my Perry VP30?
  232. MOVED: OS160FX w/VP-30 Perry Pump
  233. OS 91 II Surpass Muffler
  234. Help for os max S35 R/C
  235. wrong messages pls delete this
  236. OS FS-200S Pump
  237. 46 LA Dead sticks
  238. Prop size for OS 108 FSR
  239. OS56a
  240. H.P.rating fs-91
  241. OS 200 adjustments????
  242. OS engine torque curves
  243. please help me tune this
  244. vaporlock 18tm
  245. 40 surpass air bleed adjust
  246. max .21tm specs
  247. OS FSA 56
  248. FX61 and glow plugs
  249. (SPECIAL EDITION)
  250. motor troubles