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  1. OS .18CV-RX Crankshaft question
  2. OS 61 SF-P, PD-02 pump unit question.
  3. OS FS 91 Break in / running fuel
  4. 25VF and 25VF-DF Crankshaft Specs
  5. OS 1.60 dies in air
  6. OS 300 5 cyl
  7. .21 VZ-B V-SPEC (T)
  8. .30 VG rotostart?
  9. 30 VG "safe" temps...
  10. OS 91 Surpass header
  11. OS FSa 56 problem
  12. Cooling head for .30VG
  13. O.S. 40LA needle valve + airbleed screw setting.
  14. O.S. FS-91 II Surpass w/Pump fuel tank location?
  15. os.18cvrx w/11j rotary carb
  16. os 40la screw help
  17. O.S 1.6fx new ring
  18. .91 FX + Macs Tuned Pipe Questions
  19. OS18TZ standard shaft with rot carb ?
  20. OS 15 FP RPM
  21. "Locked Up": Drive Hub and Woodruff Key
  22. OS 200 4/C question
  23. FSa-56 Inverted mounting
  24. FSa-56 fuel
  25. OS .21RG non pullstart
  26. MOVED: cordless starter
  27. O.S. 55AX Inverted Mount Problems
  28. o.s 55ax
  29. os 70 surpass 2 drive washer
  30. OS VSpec #13895
  31. OS .55 AX Funfly
  32. MOVED: O.S. .81 FS-A
  33. O.S. 160 Sleeve repair Question???????
  34. O.S 52 surpass carb adjustment
  35. Pattern prop for new OS 91FX
  36. FS120 Series II pumped - fuel leak at regulator
  37. .26FS Questions
  38. O.S. 61VR-M Connecting rod
  39. which 3 blade prop for 91fx?
  40. OS 25 FSR Backplate and gasket
  41. OS 46SF P VS 46FX
  42. OS 75AX Pitts style muffler questions
  43. O.S. 21 V-Spec
  44. 91 fx carb replacement
  45. 91FX prop rpm
  46. OS 50SX-H graduation markings ??
  47. Factory slide carb settings for OS Max 12CV
  48. OS 61fx corrosion
  49. problems with .46 FX H SOLVED!
  50. OS 91 FS surpass
  51. OS FT-120 II - ideal rpm
  52. ft160 low compression
  53. OS 1.20 Pumped Motor Mount
  54. Alternate OS break-in procedure?
  55. Correct spec 18TZ-X
  56. Advice on maintenance of OS
  57. OS 15CV-R and 18CV-R take the same header?
  58. Air bleed screw for Max-H 40
  59. 25fx
  60. Ring for old OS50 Max
  61. OS.46 FXI needle valve
  62. Help with An OS.46SF-P
  63. Glo plugs for older OS engines.
  64. 40 LA Question
  65. Fuel line connections on 160 twin?
  66. OS .25 FX
  67. .46 FXi and .46AX
  68. MOVED: Just ordered the os 75 ax
  69. O.S. FS-90 Carb
  70. OS .61 FX break in prop
  71. OS 18tm meter valve problem
  72. AX55 After market muffler
  73. O.S. FS-26S-C II 4-Stroke cam bearings
  74. OS 140 RX rear exhaust gasket
  75. OS 46 AX
  76. os fs 40 surpass 4 stroke engine parts
  77. o.s 21tm
  78. I need the part # for the 10E-R carburetor for my .12 cv-r engine?
  79. Gasket material for OS engines
  80. OS 4 stroke runs best upright or inverted?
  81. FS-91SII Fuel doesn't flow to carb
  82. OS 120 Surpass - Pump or no pump?
  83. TIMING MARKS IL 300?
  84. OS FT-120 Gemini engine
  85. lube for os 2stroke engines
  86. OS-40LA idle problem
  87. .50 SX Low on power
  88. Removing camshaft bearings?
  89. OS91FX+TUNNED PIPE
  90. need help tuning a os max cv-r
  91. OS FS 120 WRIST PIN REMOVAL
  92. How do you remove OS .30 VG rear bearing?
  93. OS .46 support.
  94. OS 91FX Head Gasket Leak?
  95. Os 46ax Muffler problem
  96. 15CVR and 18CVR carbs interchangable?
  97. OS vz-m WONT STAY RUNINNG
  98. do the OS FS engines come with any tools?
  99. O.S. 30 FS Surpass Ringed Engine
  100. intake stack for OS carbs?
  101. OS .30 VG symptoms
  102. High end and low end for .70 Surpass II
  103. OS.91SX-H C SPEC PS- VIPER
  104. OS 21VZ-B V-Spec-T HELP
  105. OS 46 SF ABC
  106. OS 55AX Carb loosening
  107. .12tz carb restrictor/ break in on crt.5
  108. 2 O.S. engines, same problem
  109. OS FT 160 Twin Cam Timing
  110. Problem running .12tz (5)...help pls..
  111. Chart Method to find years of manufacture- Help
  112. The elusive 75AX Ringed engine....
  113. Info on my OS 70 Surpass engine?
  114. OS Max 12TZ Tuned
  115. Breaking in OS 1.20 AX for pusher config
  116. New 4-Stroke What Fuel?
  117. idling speed
  118. Glow plugs burnt out
  119. os
  120. OS 30VG cutting off
  121. o.s 21tm
  122. Sirius collector ring installation problem
  123. What happen to the OS 70 Surpass II
  124. RE: 32sx piston and conrod
  125. RE: 32sx piston and conrod
  126. OS 70 sz-h for airplane use
  127. Max 12TZ(P) T3 Temperature
  128. 46 AX Head shim
  129. .18cv-r cooling head
  130. OS 91 SURPASS
  131. O.S. 1.20 AX Remote Needle Valve ??
  132. .12CV-X Question
  133. Rerouting exhaust on OS 40 FS
  134. .91FX tuned pipe?
  135. Is there an AX on the way between the .75 and 1.20
  136. FS 200
  137. OS-140 EFI Question
  138. 1.60fx
  139. 0.12 TR with 0.12TZ Turbo Head
  140. OS46AXABL
  141. OS 160 Twin
  142. OS MAX 40-H - Worth to restore?
  143. OS FS-120 Two-Cover Valve Lash
  144. FS 120 Supercharged HELP
  145. OS 77 VRDF
  146. What engine to use
  147. just delete this.
  148. os 18tm getting hot
  149. OS 0.12 TR @ 0.15 Turbo Head
  150. 3 blade prop &Tank configuration - FS 91
  151. AX46 Muffler Gasket
  152. pressure tube length
  153. String engine
  154. FS90 Overhaul Help
  155. Fuel for V-spec
  156. Hanno RE 61 replacement
  157. What Pipe for the OS 160
  158. OS 160 Gemini Carb Differences
  159. FT-120 Carb
  160. os 46ax rear bearing
  161. O.S. .70 Surpass Valve Timing
  162. MOVED: how to get CAD model for the OS engines
  163. 160 FX Midrange
  164. NItro MIxture, Timing, and Head Shims
  165. All my engines
  166. OS 50sx
  167. 46FX vs 55AX
  168. discontinued
  169. Duratrax LR3 in 18TZ.
  170. Re: OS 160 Twin 4 Stroke..
  171. OS 18 CVR break-in
  172. os 120 pump ticking noise
  173. .12 tz
  174. SF or FSR ?
  175. os 160 twin tank vent
  176. OS 160 Twin
  177. 25fx and 32sx exhaust port bolt pattern
  178. Inverted OS 91fs
  179. OS 55AX wont stay running
  180. break in the speed.
  181. OS FS 70 Rocker cover question
  182. Is my FX .61 casing toast?
  183. Fuel suggestion for OS engines
  184. leaky 46AX muffler
  185. OS 70 Bearing replacement
  186. O.S .46FXi cuts out ONLY while in the air
  187. O.S. .18 CV-R Starter
  188. V-Spec Speed Starting Problems..
  189. Fuel consumption 70 Surpass vs 46ax
  190. Aerobatic Fuel Tank Set Up
  191. OS 120 FS -E Fuel lines?
  192. O.S. FS-120 III Surpass Pumped
  193. OS 91 fuel inlet question
  194. making sense of horse power
  195. Thrust OS.40 engine
  196. will 7M carb work for the 61SF series engines?
  197. What Engine to use ???
  198. OS 90FS
  199. OZ TZ .12 crank?
  200. OS.91 4-stroke engine help needed
  201. OS 50SX won't run over mid throttle
  202. .91 OS engine question... how many turns
  203. OS 120 FS -E Strip Down
  204. 60 FSR vs 61 FSR crankcase
  205. Piston ring for os max-h 60
  206. CZ
  207. Breaking In FL-70
  208. Gemini 120 idle problem
  209. Customer loyalty and OS parts supply
  210. OS 200u Fuel consumation
  211. OS 91FX trouble...
  212. OS 46 AX break-in
  213. OS TZ .12
  214. .25Fx question
  215. OS 160FX is this normal?
  216. 61 FSR-VF Cylinder Sleeve
  217. .30VG stalls on big landings??
  218. OS 18 CV-RX one-way bearing slip
  219. 45 fsr
  220. LA engines being replaced?
  221. OS 52 FS RPM
  222. OS 91 Surpass Starting Trouble
  223. I have a problem with the OS forum
  224. head gasket on a os 60Sf
  225. OS 91FX vs 75AX
  226. O.S. FS .70S Run Problem
  227. 744 muffler alternatives
  228. How does this engine look:
  229. OS 70 Ultimate Pump parts
  230. MOVED: tach readings for 18x6 simitar wood prop on os 1.6 with bisson muffler
  231. OS 60 FP engine vibration????
  232. test
  233. OS FS-200S-P
  234. OS 91FX - New HS Needle Valve - Where to start?
  235. Hey Bax.
  236. FS-200U fuel tubing size
  237. FS-200U pitts style muffler
  238. MOVED: Should I be adjusting my Perry VP30?
  239. MOVED: OS160FX w/VP-30 Perry Pump
  240. OS 91 II Surpass Muffler
  241. Help for os max S35 R/C
  242. wrong messages pls delete this
  243. OS FS-200S Pump
  244. 46 LA Dead sticks
  245. Prop size for OS 108 FSR
  246. OS56a
  247. H.P.rating fs-91
  248. OS 200 adjustments????
  249. OS engine torque curves
  250. please help me tune this