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  1. Os 50sxh
  2. OS .91 FS Surpass pump upgrade?
  3. 61 SF pump adjustment
  4. OS FT-120 prop
  5. OS reduction gear unit
  6. OS 120 111 pumped
  7. Help with O.S. .46SF
  8. Os 46fx
  9. OS FS-90 Bearing Sizes
  10. FS-26S Reverse rotation
  11. 2 minute motors
  12. OS 1.60 FX noise
  13. os46fx
  14. os fs-26s-cx no start
  15. OS 46 LA won't idle
  16. OS LA.40 thru .65-Remove the color?
  17. TYPE 60C CARB throttle stop screw
  18. Can a 46 FX H Ring be Converted into a 46 FX engine?
  19. OS SX 50 Pricing
  20. OS .48 and .90 4 cycle manual or settings?
  21. temperature?
  22. .91 FS surpass valve lash
  23. Replacement muffler screws
  24. Can't get connecting rod off crank pin. .46 SF
  25. 46FX suddenly dies?
  26. Clicking sound in OS91FS
  27. FS-91 II Surpass mounting and break-in
  28. 1.60 FX does it need a pump?
  29. Pitts muffler available for .25FX
  30. 91FX fuel consumption
  31. Scaled glow plugs - OS No.8 and A3
  32. OS .40la question
  33. Vintage/New/OLD FSR 40
  34. .61 FSR Head Bolt size?
  35. OS 46FX Head Gasket
  36. OS 46FX running problem
  37. converting twin 300 to gas?
  38. OS140RX Carby
  39. Need a threaded exhausted nipple for an OS FS-91
  40. os 61lxh
  41. OS 61SF pumped engine nipple hookup
  42. OS91 valve clearance
  43. OS 15 CV-RX' One-Way Bearing slipping
  44. os 91 fx knock/ping
  45. Gemini 1.20 She No Idle...
  46. OS .90 FS on 30% Heli
  47. 120 Surpass Mk I pump problem
  48. 1.60 FX questions
  49. O.S.45 FSR carb
  50. Os Ft-240
  51. OS 70,Second Request
  52. OS manual _vs_ break-in
  53. Os 160 Pipe Spacer Question
  54. OS 46 FX needle valve
  55. Any special forums existing for the FI motors?
  56. OS52fs
  57. 91FX again (sigh)
  58. OS 46fsr
  59. More power to any engine
  60. getting the most power out of my .91 fs
  61. O.S. 25 FX bogs down with 9X5 and 9X6 props...why?
  62. Old FX 46sf-Need help !
  63. 7M carb in a .61SF
  64. .46FX Bearing Damage???
  65. 48 Surpass muffler?
  66. 61 SF Carb pix
  67. peak torque range for OS FS70
  68. Super Charged FS120
  69. OS 61 RF/RF-P Rear Bearing Problems
  70. Replacement for the 61 RXH
  71. Os.46fx
  72. os 61 fs
  73. Os 108 Rear Bearings
  74. OS Max 40 RC
  75. About 61 RF pump
  76. OS LA Rebuilds?
  77. Proper break in procedure for OS 50 SX MAX
  78. detonation
  79. OS Max FS 26 4 stroke help
  80. Tower 46 / Also OS ???
  81. .61 FSR parts into a .61 SF
  82. Inhibiting after-run oil and O.S. Engines
  83. os 70
  84. Screws.
  85. too much heat for 46fx?
  86. Throttle lever info. needed
  87. Which engine to buy?
  88. Fuel For Use On Os Blackhead .60
  89. os61fs pump
  90. Loose crankshaft on 60FP
  91. 120 fs runs rich backfires
  92. FS-52 Throbbing
  93. from 10% nitro to 15%, break in again?
  94. OS Max 46 FX runs well, then quits...
  95. Os Blackhead 60 Parts
  96. OS FS-61 shutting down
  97. Surpass 91 with Pump Surge Problem
  98. .70 sz-h piston damage
  99. Fuel line attachment for OS Max SF 61 pumped
  100. Trouble with new 46FX
  101. 25LA; how much oil?
  102. Exploded View of Older Pump?
  103. OS/Tower Hobbies website question
  104. Black Residue
  105. OS 25 fp RPM ???
  106. OS FP 35 -needle
  107. Best right mount muffler for OS 46 FX-H
  108. I'm not happy with my new OS .91 FX.
  109. Minimum nitro content 1.6 FX-FI
  110. Engine Timing
  111. OS 140 Surpass IV
  112. Fueling tricks for the pumped 91II?
  113. 7D carb
  114. Attn Bill Baxter or any OS rep that can help me
  115. muffler for os max .10
  116. Fuel Consumption pumped FS91-II
  117. OS .46 LA running problems
  118. OS 12 carburetor retainer
  119. Os 80 2 Stroke - Has Two Glow Plugs And Carb On Back
  120. Os 90 Four Stroke Model 1901 - Parts Needed
  121. Crash Question
  122. OS46Fx problems
  123. Why not make a supercharger for an engine!!!!
  124. You guys make great engines!!
  125. Fuel Type
  126. os 50sx problem.
  127. OS 120 4 Stroke Won't Idle Steady
  128. OS 120 Surpass wth pump Mk I
  129. OS 160 twin flame out
  130. Os 28f
  131. Os Older 25 Not Fp25 - Need Muffler
  132. os.32 low power
  133. old OS 90 2 stroke carb question
  134. O.S.Air Bleed Screw-original setting??
  135. OS Max .50 Model 50FSR-H Change Head?
  136. What year was the FS-60 introduced
  137. Help setting up OS Max FP 40
  138. Os Ft 160
  139. os 61 fx at 90 deg.
  140. Manual OS FS-40 (no Surpass)
  141. Surpass 120 valve timing
  142. Os 160 W/bisson Pitts Muffler
  143. O.S. 91fx
  144. 120-4cycle w/pump
  145. Sending for O.S. Max Service
  146. OS Max 60 sr NEED PISTON RING
  147. O.S. Long Stroke
  148. OS LA Series Problems?
  149. I need power band graphs for OS motors
  150. OS 91 Surpass not surpass II
  151. older os 90 with the glowplug in the front -- need both needle settings
  152. OS 46 FX like to start backward
  153. Prop size for Wankel?
  154. Old Os 120 non surpass with separate valve covers
  155. Please Close - found answer
  156. OS FS-120 III Surpass in Mile-High Denver
  157. CoolPower Green for OS .46 FX?.
  158. OS 32SX-H adjustment question
  159. Help with .61FX, changing needle valve position?
  160. OS 70 4 Stroke
  161. Os 46 Fxh
  162. .32
  163. OS 120 Surpass pump Mk1 or How to Save the pump
  164. OS 70 sv-h Breakin
  165. 4 stroke 70 OS
  166. 12CZ engine help
  167. OS 46fx runs great upright, but not inverted.
  168. OS 61 VF-H GS A-2 reduction Gear Unit
  169. Bearing Ball Missing
  170. OS-.50sx Best prop for speed+thrust??
  171. OS91FSII tap question
  172. Are there any downsides....
  173. Muffler Weight
  174. Fs140-fi
  175. need the distructions
  176. Difference between the OS 70 and 70II
  177. OS 70 II Surpass
  178. O.S 32 fh instructions needed
  179. OS .32SXH Bearing Removal
  180. O
  181. 140 RX EFI sagging
  182. Need Piston Help On Os.15cvx
  183. O.S. 1.20 Surpass II...
  184. OS .70 SZ-H Heli Availability
  185. prop size OS 91 surpass
  186. Mufflers For FT-160?
  187. O.S. .15CV settings ECT.
  188. Broken piston on O.S. .46FX
  189. Royally messed up .46FX!!!
  190. OS 91 FX needle settings
  191. 70FS Split Cotter Removal
  192. OS FS91 fuel flow problem
  193. OS .70 4 stroke problem
  194. OS Gemini 120 prop sizes
  195. Fixing up an old os .35fp need some help
  196. OS and KHB sleeve and Piston
  197. .46 Fx Compresssion
  198. 1.60 FX Bearings
  199. what is a stroke ?
  200. Engine running temperatures
  201. .50sx and 30% nitro
  202. OS 30 Max - S?
  203. Heavy hub on new 4 stk OS 91
  204. FS52s lot of oil
  205. Os 91 / Tuned Pipe Installation
  206. os fs 91 problem
  207. o.s. 120 surpass
  208. Compression ratio of OS .46FX and 1.60FX ?
  209. What RPM range in idel for a 0.46FX ?.
  210. os 70 shuts off
  211. OS46 Engine Quits?
  212. OS 91FS stops abrubtly recently
  213. OS 12tr Heat Sink
  214. Thanks O.S.
  215. 4 stoke engine maintenance
  216. Fan Installation os 50 sxh
  217. OS FS .40C Temps
  218. O.S. FS surpass II conversion from pump to non-pump
  219. Surpass II wont't run
  220. 91FX dimensions needed (not in manual)
  221. OS 140 with 60 pipe
  222. OS 120 Surpass II pumped won't run at full throttle.
  223. 61 ABC problems
  224. carburetor OS#60K
  225. OS 40 SF ABC throttle transition
  226. BGX 3500 Help!!!!!!
  227. HEATED owner of an OVERHEATED 91FX
  228. .46Fx
  229. 40 VF
  230. 0S .46SF - I want more power
  231. 91 SX-H timing info needed
  232. OS max 91 four stroke...no power or compression
  233. OS 1.40 prop
  234. .61 FX wont Idle, please help
  235. Gasket
  236. Setting high speed needle valve!
  237. Probs with .40fx
  238. 60J Carb
  239. os 120 surpass II w/pump
  240. OS50 XXrich@1/4 stick
  241. Os .15 Fp
  242. When to rebiuld?
  243. OS .10 Head and Back Plate Screw Sizes
  244. Need a new crank for and O.S.
  245. Removing Bearings and Crankshaft from 40 SF ABC
  246. os 91fs
  247. Os 15
  248. OS Max FP .40 Manual
  249. Os 50 Sxh

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