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  1. Os 61 Fx & Sf
  2. Os 1.08
  3. Pressure tap on FS 26-C?
  4. OS 91 Ducted fan engine
  5. OS MAX-S .35 suddenly dies
  6. os 40la assembly trouble
  7. Os 70
  8. O.S.32FX low end needle setting????
  9. Os 32
  10. .61SF-P question
  11. OS 61RF-P Hatori Pipe
  12. O.S. 50SX-Hring
  13. OS .70 Surpassll Poor Midrange
  14. 46 FX Bearing removal (Siezed in place)
  15. Fs-140sp-fi??
  16. Silly Problem 7DV Carb
  17. Engine R.P.M.
  18. O.S. 160 fx low end adjustment problems
  19. FS-91SII Exhaust System
  20. Os 26 Fs
  21. Running an OS 120 FS pump without a muffler?
  22. Help -- OS 70 FS top end mixture / prop size?
  23. HELP!!!! 91 surpass cam position ??
  24. HELP! RX1.40 Problem (Bill-Some new info)
  25. FS-91SII Exhaust Port Thread Size
  26. OS 46FX - is fuel with 9% synthetic and 6% castrol ok?
  27. OS 120 III runs best at half throttle
  28. OS .25FX leaning out
  29. OS 70 Surpass Idle Problem
  30. OS 65LA A checkered history - Where do I go from here?
  31. Fuel in the RX1.40
  32. OS FT/160 Twin, Opinion Pse
  33. 40 fsr carburetor
  34. Os 50sxh
  35. OS .91 FS Surpass pump upgrade?
  36. 61 SF pump adjustment
  37. OS FT-120 prop
  38. OS reduction gear unit
  39. OS 120 111 pumped
  40. Help with O.S. .46SF
  41. Os 46fx
  42. OS FS-90 Bearing Sizes
  43. FS-26S Reverse rotation
  44. 2 minute motors
  45. OS 1.60 FX noise
  46. os46fx
  47. os fs-26s-cx no start
  48. OS 46 LA won't idle
  49. OS LA.40 thru .65-Remove the color?
  50. TYPE 60C CARB throttle stop screw
  51. Can a 46 FX H Ring be Converted into a 46 FX engine?
  52. OS SX 50 Pricing
  53. OS .48 and .90 4 cycle manual or settings?
  54. temperature?
  55. .91 FS surpass valve lash
  56. Replacement muffler screws
  57. Can't get connecting rod off crank pin. .46 SF
  58. 46FX suddenly dies?
  59. Clicking sound in OS91FS
  60. FS-91 II Surpass mounting and break-in
  61. 1.60 FX does it need a pump?
  62. Pitts muffler available for .25FX
  63. 91FX fuel consumption
  64. Scaled glow plugs - OS No.8 and A3
  65. OS .40la question
  66. Vintage/New/OLD FSR 40
  67. .61 FSR Head Bolt size?
  68. OS 46FX Head Gasket
  69. OS 46FX running problem
  70. converting twin 300 to gas?
  71. OS140RX Carby
  72. Need a threaded exhausted nipple for an OS FS-91
  73. os 61lxh
  74. OS 61SF pumped engine nipple hookup
  75. OS91 valve clearance
  76. OS 15 CV-RX' One-Way Bearing slipping
  77. os 91 fx knock/ping
  78. Gemini 1.20 She No Idle...
  79. OS .90 FS on 30% Heli
  80. 120 Surpass Mk I pump problem
  81. 1.60 FX questions
  82. O.S.45 FSR carb
  83. Os Ft-240
  84. OS 70,Second Request
  85. OS manual _vs_ break-in
  86. Os 160 Pipe Spacer Question
  87. OS 46 FX needle valve
  88. Any special forums existing for the FI motors?
  89. OS52fs
  90. 91FX again (sigh)
  91. OS 46fsr
  92. More power to any engine
  93. getting the most power out of my .91 fs
  94. O.S. 25 FX bogs down with 9X5 and 9X6 props...why?
  95. Old FX 46sf-Need help !
  96. 7M carb in a .61SF
  97. .46FX Bearing Damage???
  98. 48 Surpass muffler?
  99. 61 SF Carb pix
  100. peak torque range for OS FS70
  101. Super Charged FS120
  102. OS 61 RF/RF-P Rear Bearing Problems
  103. Replacement for the 61 RXH
  104. Os.46fx
  105. os 61 fs
  106. Os 108 Rear Bearings
  107. OS Max 40 RC
  108. About 61 RF pump
  109. OS LA Rebuilds?
  110. Proper break in procedure for OS 50 SX MAX
  111. detonation
  112. OS Max FS 26 4 stroke help
  113. Tower 46 / Also OS ???
  114. .61 FSR parts into a .61 SF
  115. Inhibiting after-run oil and O.S. Engines
  116. os 70
  117. Screws.
  118. too much heat for 46fx?
  119. Throttle lever info. needed
  120. Which engine to buy?
  121. Fuel For Use On Os Blackhead .60
  122. os61fs pump
  123. Loose crankshaft on 60FP
  124. 120 fs runs rich backfires
  125. FS-52 Throbbing
  126. from 10% nitro to 15%, break in again?
  127. OS Max 46 FX runs well, then quits...
  128. Os Blackhead 60 Parts
  129. OS FS-61 shutting down
  130. Surpass 91 with Pump Surge Problem
  131. .70 sz-h piston damage
  132. Fuel line attachment for OS Max SF 61 pumped
  133. Trouble with new 46FX
  134. 25LA; how much oil?
  135. Exploded View of Older Pump?
  136. OS/Tower Hobbies website question
  137. Black Residue
  138. OS 25 fp RPM ???
  139. OS FP 35 -needle
  140. Best right mount muffler for OS 46 FX-H
  141. I'm not happy with my new OS .91 FX.
  142. Minimum nitro content 1.6 FX-FI
  143. Engine Timing
  144. OS 140 Surpass IV
  145. Fueling tricks for the pumped 91II?
  146. 7D carb
  147. Attn Bill Baxter or any OS rep that can help me
  148. muffler for os max .10
  149. Fuel Consumption pumped FS91-II
  150. OS .46 LA running problems
  151. OS 12 carburetor retainer
  152. Os 80 2 Stroke - Has Two Glow Plugs And Carb On Back
  153. Os 90 Four Stroke Model 1901 - Parts Needed
  154. Crash Question
  155. OS46Fx problems
  156. Why not make a supercharger for an engine!!!!
  157. You guys make great engines!!
  158. Fuel Type
  159. os 50sx problem.
  160. OS 120 4 Stroke Won't Idle Steady
  161. OS 120 Surpass wth pump Mk I
  162. OS 160 twin flame out
  163. Os 28f
  164. Os Older 25 Not Fp25 - Need Muffler
  165. os.32 low power
  166. old OS 90 2 stroke carb question
  167. O.S.Air Bleed Screw-original setting??
  168. OS Max .50 Model 50FSR-H Change Head?
  169. What year was the FS-60 introduced
  170. Help setting up OS Max FP 40
  171. Os Ft 160
  172. os 61 fx at 90 deg.
  173. Manual OS FS-40 (no Surpass)
  174. Surpass 120 valve timing
  175. Os 160 W/bisson Pitts Muffler
  176. O.S. 91fx
  177. 120-4cycle w/pump
  178. Sending for O.S. Max Service
  179. OS Max 60 sr NEED PISTON RING
  180. O.S. Long Stroke
  181. OS LA Series Problems?
  182. I need power band graphs for OS motors
  183. OS 91 Surpass not surpass II
  184. older os 90 with the glowplug in the front -- need both needle settings
  185. OS 46 FX like to start backward
  186. Prop size for Wankel?
  187. Old Os 120 non surpass with separate valve covers
  188. Please Close - found answer
  189. OS FS-120 III Surpass in Mile-High Denver
  190. CoolPower Green for OS .46 FX?.
  191. OS 32SX-H adjustment question
  192. Help with .61FX, changing needle valve position?
  193. OS 70 4 Stroke
  194. Os 46 Fxh
  195. .32
  196. OS 120 Surpass pump Mk1 or How to Save the pump
  197. OS 70 sv-h Breakin
  198. 4 stroke 70 OS
  199. 12CZ engine help
  200. OS 46fx runs great upright, but not inverted.
  201. OS 61 VF-H GS A-2 reduction Gear Unit
  202. Bearing Ball Missing
  203. OS-.50sx Best prop for speed+thrust??
  204. OS91FSII tap question
  205. Are there any downsides....
  206. Muffler Weight
  207. Fs140-fi
  208. need the distructions
  209. Difference between the OS 70 and 70II
  210. OS 70 II Surpass
  211. O.S 32 fh instructions needed
  212. OS .32SXH Bearing Removal
  213. O
  214. 140 RX EFI sagging
  215. Need Piston Help On Os.15cvx
  216. O.S. 1.20 Surpass II...
  217. OS .70 SZ-H Heli Availability
  218. prop size OS 91 surpass
  219. Mufflers For FT-160?
  220. O.S. .15CV settings ECT.
  221. Broken piston on O.S. .46FX
  222. Royally messed up .46FX!!!
  223. OS 91 FX needle settings
  224. 70FS Split Cotter Removal
  225. OS FS91 fuel flow problem
  226. OS .70 4 stroke problem
  227. OS Gemini 120 prop sizes
  228. Fixing up an old os .35fp need some help
  229. OS and KHB sleeve and Piston
  230. .46 Fx Compresssion
  231. 1.60 FX Bearings
  232. what is a stroke ?
  233. Engine running temperatures
  234. .50sx and 30% nitro
  235. OS 30 Max - S?
  236. Heavy hub on new 4 stk OS 91
  237. FS52s lot of oil
  238. Os 91 / Tuned Pipe Installation
  239. os fs 91 problem
  240. o.s. 120 surpass
  241. Compression ratio of OS .46FX and 1.60FX ?
  242. What RPM range in idel for a 0.46FX ?.
  243. os 70 shuts off
  244. OS46 Engine Quits?
  245. OS 91FS stops abrubtly recently
  246. OS 12tr Heat Sink
  247. Thanks O.S.
  248. 4 stoke engine maintenance
  249. Fan Installation os 50 sxh