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  1. Can't get connecting rod off crank pin. .46 SF
  2. 46FX suddenly dies?
  3. Clicking sound in OS91FS
  4. FS-91 II Surpass mounting and break-in
  5. 1.60 FX does it need a pump?
  6. Pitts muffler available for .25FX
  7. 91FX fuel consumption
  8. Scaled glow plugs - OS No.8 and A3
  9. OS .40la question
  10. Vintage/New/OLD FSR 40
  11. .61 FSR Head Bolt size?
  12. OS 46FX Head Gasket
  13. OS 46FX running problem
  14. converting twin 300 to gas?
  15. OS140RX Carby
  16. Need a threaded exhausted nipple for an OS FS-91
  17. os 61lxh
  18. OS 61SF pumped engine nipple hookup
  19. OS91 valve clearance
  20. OS 15 CV-RX' One-Way Bearing slipping
  21. os 91 fx knock/ping
  22. Gemini 1.20 She No Idle...
  23. OS .90 FS on 30% Heli
  24. 120 Surpass Mk I pump problem
  25. 1.60 FX questions
  26. O.S.45 FSR carb
  27. Os Ft-240
  28. OS 70,Second Request
  29. OS manual _vs_ break-in
  30. Os 160 Pipe Spacer Question
  31. OS 46 FX needle valve
  32. Any special forums existing for the FI motors?
  33. OS52fs
  34. 91FX again (sigh)
  35. OS 46fsr
  36. More power to any engine
  37. getting the most power out of my .91 fs
  38. O.S. 25 FX bogs down with 9X5 and 9X6 props...why?
  39. Old FX 46sf-Need help !
  40. 7M carb in a .61SF
  41. .46FX Bearing Damage???
  42. 48 Surpass muffler?
  43. 61 SF Carb pix
  44. peak torque range for OS FS70
  45. Super Charged FS120
  46. OS 61 RF/RF-P Rear Bearing Problems
  47. Replacement for the 61 RXH
  48. Os.46fx
  49. os 61 fs
  50. Os 108 Rear Bearings
  51. OS Max 40 RC
  52. About 61 RF pump
  53. OS LA Rebuilds?
  54. Proper break in procedure for OS 50 SX MAX
  55. detonation
  56. OS Max FS 26 4 stroke help
  57. Tower 46 / Also OS ???
  58. .61 FSR parts into a .61 SF
  59. Inhibiting after-run oil and O.S. Engines
  60. os 70
  61. Screws.
  62. too much heat for 46fx?
  63. Throttle lever info. needed
  64. Which engine to buy?
  65. Fuel For Use On Os Blackhead .60
  66. os61fs pump
  67. Loose crankshaft on 60FP
  68. 120 fs runs rich backfires
  69. FS-52 Throbbing
  70. from 10% nitro to 15%, break in again?
  71. OS Max 46 FX runs well, then quits...
  72. Os Blackhead 60 Parts
  73. OS FS-61 shutting down
  74. Surpass 91 with Pump Surge Problem
  75. .70 sz-h piston damage
  76. Fuel line attachment for OS Max SF 61 pumped
  77. Trouble with new 46FX
  78. 25LA; how much oil?
  79. Exploded View of Older Pump?
  80. OS/Tower Hobbies website question
  81. Black Residue
  82. OS 25 fp RPM ???
  83. OS FP 35 -needle
  84. Best right mount muffler for OS 46 FX-H
  85. I'm not happy with my new OS .91 FX.
  86. Minimum nitro content 1.6 FX-FI
  87. Engine Timing
  88. OS 140 Surpass IV
  89. Fueling tricks for the pumped 91II?
  90. 7D carb
  91. Attn Bill Baxter or any OS rep that can help me
  92. muffler for os max .10
  93. Fuel Consumption pumped FS91-II
  94. OS .46 LA running problems
  95. OS 12 carburetor retainer
  96. Os 80 2 Stroke - Has Two Glow Plugs And Carb On Back
  97. Os 90 Four Stroke Model 1901 - Parts Needed
  98. Crash Question
  99. OS46Fx problems
  100. Why not make a supercharger for an engine!!!!
  101. You guys make great engines!!
  102. Fuel Type
  103. os 50sx problem.
  104. OS 120 4 Stroke Won't Idle Steady
  105. OS 120 Surpass wth pump Mk I
  106. OS 160 twin flame out
  107. Os 28f
  108. Os Older 25 Not Fp25 - Need Muffler
  109. os.32 low power
  110. old OS 90 2 stroke carb question
  111. O.S.Air Bleed Screw-original setting??
  112. OS Max .50 Model 50FSR-H Change Head?
  113. What year was the FS-60 introduced
  114. Help setting up OS Max FP 40
  115. Os Ft 160
  116. os 61 fx at 90 deg.
  117. Manual OS FS-40 (no Surpass)
  118. Surpass 120 valve timing
  119. Os 160 W/bisson Pitts Muffler
  120. O.S. 91fx
  121. 120-4cycle w/pump
  122. Sending for O.S. Max Service
  123. OS Max 60 sr NEED PISTON RING
  124. O.S. Long Stroke
  125. OS LA Series Problems?
  126. I need power band graphs for OS motors
  127. OS 91 Surpass not surpass II
  128. older os 90 with the glowplug in the front -- need both needle settings
  129. OS 46 FX like to start backward
  130. Prop size for Wankel?
  131. Old Os 120 non surpass with separate valve covers
  132. Please Close - found answer
  133. OS FS-120 III Surpass in Mile-High Denver
  134. CoolPower Green for OS .46 FX?.
  135. OS 32SX-H adjustment question
  136. Help with .61FX, changing needle valve position?
  137. OS 70 4 Stroke
  138. Os 46 Fxh
  139. .32
  140. OS 120 Surpass pump Mk1 or How to Save the pump
  141. OS 70 sv-h Breakin
  142. 4 stroke 70 OS
  143. 12CZ engine help
  144. OS 46fx runs great upright, but not inverted.
  145. OS 61 VF-H GS A-2 reduction Gear Unit
  146. Bearing Ball Missing
  147. OS-.50sx Best prop for speed+thrust??
  148. OS91FSII tap question
  149. Are there any downsides....
  150. Muffler Weight
  151. Fs140-fi
  152. need the distructions
  153. Difference between the OS 70 and 70II
  154. OS 70 II Surpass
  155. O.S 32 fh instructions needed
  156. OS .32SXH Bearing Removal
  157. O
  158. 140 RX EFI sagging
  159. Need Piston Help On Os.15cvx
  160. O.S. 1.20 Surpass II...
  161. OS .70 SZ-H Heli Availability
  162. prop size OS 91 surpass
  163. Mufflers For FT-160?
  164. O.S. .15CV settings ECT.
  165. Broken piston on O.S. .46FX
  166. Royally messed up .46FX!!!
  167. OS 91 FX needle settings
  168. 70FS Split Cotter Removal
  169. OS FS91 fuel flow problem
  170. OS .70 4 stroke problem
  171. OS Gemini 120 prop sizes
  172. Fixing up an old os .35fp need some help
  173. OS and KHB sleeve and Piston
  174. .46 Fx Compresssion
  175. 1.60 FX Bearings
  176. what is a stroke ?
  177. Engine running temperatures
  178. .50sx and 30% nitro
  179. OS 30 Max - S?
  180. Heavy hub on new 4 stk OS 91
  181. FS52s lot of oil
  182. Os 91 / Tuned Pipe Installation
  183. os fs 91 problem
  184. o.s. 120 surpass
  185. Compression ratio of OS .46FX and 1.60FX ?
  186. What RPM range in idel for a 0.46FX ?.
  187. os 70 shuts off
  188. OS46 Engine Quits?
  189. OS 91FS stops abrubtly recently
  190. OS 12tr Heat Sink
  191. Thanks O.S.
  192. 4 stoke engine maintenance
  193. Fan Installation os 50 sxh
  194. OS FS .40C Temps
  195. O.S. FS surpass II conversion from pump to non-pump
  196. Surpass II wont't run
  197. 91FX dimensions needed (not in manual)
  198. OS 140 with 60 pipe
  199. OS 120 Surpass II pumped won't run at full throttle.
  200. 61 ABC problems
  201. carburetor OS#60K
  202. OS 40 SF ABC throttle transition
  203. BGX 3500 Help!!!!!!
  204. HEATED owner of an OVERHEATED 91FX
  205. .46Fx
  206. 40 VF
  207. 0S .46SF - I want more power
  208. 91 SX-H timing info needed
  209. OS max 91 four stroke...no power or compression
  210. OS 1.40 prop
  211. .61 FX wont Idle, please help
  212. Gasket
  213. Setting high speed needle valve!
  214. Probs with .40fx
  215. 60J Carb
  216. os 120 surpass II w/pump
  217. OS50 XXrich@1/4 stick
  218. Os .15 Fp
  219. When to rebiuld?
  220. OS .10 Head and Back Plate Screw Sizes
  221. Need a new crank for and O.S.
  222. Removing Bearings and Crankshaft from 40 SF ABC
  223. os 91fs
  224. Os 15
  225. OS Max FP .40 Manual
  226. Os 50 Sxh
  227. Looking for manual
  228. OS 120 Carb
  229. Need OS part number...
  230. OS-30 weight spec is wrong!
  231. O.S. Surpass 30
  232. OS91 C-Spec
  233. 140RX spitting bearing!!!
  234. OS Engine Specs???
  235. fs 60 open rocker
  236. Engine Purchase Questions
  237. O.S. Buggy Engine, Can I convert to Pull start?
  238. Should I replace the case on a os 61?
  239. OS FSR/SF Parts Interchange
  240. OS 140 Rx storage
  241. OS 70 leaking???
  242. .15 Fp
  243. OS 52 4 cyl.
  244. os40la
  245. O.s. 61 Sf Prop Nut Size
  246. Os 91 Fs
  247. Os21 Vz-r
  248. os FX silinder pilling ,is this still hapening Cause i have one that did it with only
  249. OS Max 1.2 FS Surpass II pumped

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