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  1. O.S. 160 fx low end adjustment problems
  2. FS-91SII Exhaust System
  3. Os 26 Fs
  4. Running an OS 120 FS pump without a muffler?
  5. Help -- OS 70 FS top end mixture / prop size?
  6. HELP!!!! 91 surpass cam position ??
  7. HELP! RX1.40 Problem (Bill-Some new info)
  8. FS-91SII Exhaust Port Thread Size
  9. OS 46FX - is fuel with 9% synthetic and 6% castrol ok?
  10. OS 120 III runs best at half throttle
  11. OS .25FX leaning out
  12. OS 70 Surpass Idle Problem
  13. OS 65LA A checkered history - Where do I go from here?
  14. Fuel in the RX1.40
  15. OS FT/160 Twin, Opinion Pse
  16. 40 fsr carburetor
  17. Os 50sxh
  18. OS .91 FS Surpass pump upgrade?
  19. 61 SF pump adjustment
  20. OS FT-120 prop
  21. OS reduction gear unit
  22. OS 120 111 pumped
  23. Help with O.S. .46SF
  24. Os 46fx
  25. OS FS-90 Bearing Sizes
  26. FS-26S Reverse rotation
  27. 2 minute motors
  28. OS 1.60 FX noise
  29. os46fx
  30. os fs-26s-cx no start
  31. OS 46 LA won't idle
  32. OS LA.40 thru .65-Remove the color?
  33. TYPE 60C CARB throttle stop screw
  34. Can a 46 FX H Ring be Converted into a 46 FX engine?
  35. OS SX 50 Pricing
  36. OS .48 and .90 4 cycle manual or settings?
  37. temperature?
  38. .91 FS surpass valve lash
  39. Replacement muffler screws
  40. Can't get connecting rod off crank pin. .46 SF
  41. 46FX suddenly dies?
  42. Clicking sound in OS91FS
  43. FS-91 II Surpass mounting and break-in
  44. 1.60 FX does it need a pump?
  45. Pitts muffler available for .25FX
  46. 91FX fuel consumption
  47. Scaled glow plugs - OS No.8 and A3
  48. OS .40la question
  49. Vintage/New/OLD FSR 40
  50. .61 FSR Head Bolt size?
  51. OS 46FX Head Gasket
  52. OS 46FX running problem
  53. converting twin 300 to gas?
  54. OS140RX Carby
  55. Need a threaded exhausted nipple for an OS FS-91
  56. os 61lxh
  57. OS 61SF pumped engine nipple hookup
  58. OS91 valve clearance
  59. OS 15 CV-RX' One-Way Bearing slipping
  60. os 91 fx knock/ping
  61. Gemini 1.20 She No Idle...
  62. OS .90 FS on 30% Heli
  63. 120 Surpass Mk I pump problem
  64. 1.60 FX questions
  65. O.S.45 FSR carb
  66. Os Ft-240
  67. OS 70,Second Request
  68. OS manual _vs_ break-in
  69. Os 160 Pipe Spacer Question
  70. OS 46 FX needle valve
  71. Any special forums existing for the FI motors?
  72. OS52fs
  73. 91FX again (sigh)
  74. OS 46fsr
  75. More power to any engine
  76. getting the most power out of my .91 fs
  77. O.S. 25 FX bogs down with 9X5 and 9X6 props...why?
  78. Old FX 46sf-Need help !
  79. 7M carb in a .61SF
  80. .46FX Bearing Damage???
  81. 48 Surpass muffler?
  82. 61 SF Carb pix
  83. peak torque range for OS FS70
  84. Super Charged FS120
  85. OS 61 RF/RF-P Rear Bearing Problems
  86. Replacement for the 61 RXH
  87. Os.46fx
  88. os 61 fs
  89. Os 108 Rear Bearings
  90. OS Max 40 RC
  91. About 61 RF pump
  92. OS LA Rebuilds?
  93. Proper break in procedure for OS 50 SX MAX
  94. detonation
  95. OS Max FS 26 4 stroke help
  96. Tower 46 / Also OS ???
  97. .61 FSR parts into a .61 SF
  98. Inhibiting after-run oil and O.S. Engines
  99. os 70
  100. Screws.
  101. too much heat for 46fx?
  102. Throttle lever info. needed
  103. Which engine to buy?
  104. Fuel For Use On Os Blackhead .60
  105. os61fs pump
  106. Loose crankshaft on 60FP
  107. 120 fs runs rich backfires
  108. FS-52 Throbbing
  109. from 10% nitro to 15%, break in again?
  110. OS Max 46 FX runs well, then quits...
  111. Os Blackhead 60 Parts
  112. OS FS-61 shutting down
  113. Surpass 91 with Pump Surge Problem
  114. .70 sz-h piston damage
  115. Fuel line attachment for OS Max SF 61 pumped
  116. Trouble with new 46FX
  117. 25LA; how much oil?
  118. Exploded View of Older Pump?
  119. OS/Tower Hobbies website question
  120. Black Residue
  121. OS 25 fp RPM ???
  122. OS FP 35 -needle
  123. Best right mount muffler for OS 46 FX-H
  124. I'm not happy with my new OS .91 FX.
  125. Minimum nitro content 1.6 FX-FI
  126. Engine Timing
  127. OS 140 Surpass IV
  128. Fueling tricks for the pumped 91II?
  129. 7D carb
  130. Attn Bill Baxter or any OS rep that can help me
  131. muffler for os max .10
  132. Fuel Consumption pumped FS91-II
  133. OS .46 LA running problems
  134. OS 12 carburetor retainer
  135. Os 80 2 Stroke - Has Two Glow Plugs And Carb On Back
  136. Os 90 Four Stroke Model 1901 - Parts Needed
  137. Crash Question
  138. OS46Fx problems
  139. Why not make a supercharger for an engine!!!!
  140. You guys make great engines!!
  141. Fuel Type
  142. os 50sx problem.
  143. OS 120 4 Stroke Won't Idle Steady
  144. OS 120 Surpass wth pump Mk I
  145. OS 160 twin flame out
  146. Os 28f
  147. Os Older 25 Not Fp25 - Need Muffler
  148. os.32 low power
  149. old OS 90 2 stroke carb question
  150. O.S.Air Bleed Screw-original setting??
  151. OS Max .50 Model 50FSR-H Change Head?
  152. What year was the FS-60 introduced
  153. Help setting up OS Max FP 40
  154. Os Ft 160
  155. os 61 fx at 90 deg.
  156. Manual OS FS-40 (no Surpass)
  157. Surpass 120 valve timing
  158. Os 160 W/bisson Pitts Muffler
  159. O.S. 91fx
  160. 120-4cycle w/pump
  161. Sending for O.S. Max Service
  162. OS Max 60 sr NEED PISTON RING
  163. O.S. Long Stroke
  164. OS LA Series Problems?
  165. I need power band graphs for OS motors
  166. OS 91 Surpass not surpass II
  167. older os 90 with the glowplug in the front -- need both needle settings
  168. OS 46 FX like to start backward
  169. Prop size for Wankel?
  170. Old Os 120 non surpass with separate valve covers
  171. Please Close - found answer
  172. OS FS-120 III Surpass in Mile-High Denver
  173. CoolPower Green for OS .46 FX?.
  174. OS 32SX-H adjustment question
  175. Help with .61FX, changing needle valve position?
  176. OS 70 4 Stroke
  177. Os 46 Fxh
  178. .32
  179. OS 120 Surpass pump Mk1 or How to Save the pump
  180. OS 70 sv-h Breakin
  181. 4 stroke 70 OS
  182. 12CZ engine help
  183. OS 46fx runs great upright, but not inverted.
  184. OS 61 VF-H GS A-2 reduction Gear Unit
  185. Bearing Ball Missing
  186. OS-.50sx Best prop for speed+thrust??
  187. OS91FSII tap question
  188. Are there any downsides....
  189. Muffler Weight
  190. Fs140-fi
  191. need the distructions
  192. Difference between the OS 70 and 70II
  193. OS 70 II Surpass
  194. O.S 32 fh instructions needed
  195. OS .32SXH Bearing Removal
  196. O
  197. 140 RX EFI sagging
  198. Need Piston Help On Os.15cvx
  199. O.S. 1.20 Surpass II...
  200. OS .70 SZ-H Heli Availability
  201. prop size OS 91 surpass
  202. Mufflers For FT-160?
  203. O.S. .15CV settings ECT.
  204. Broken piston on O.S. .46FX
  205. Royally messed up .46FX!!!
  206. OS 91 FX needle settings
  207. 70FS Split Cotter Removal
  208. OS FS91 fuel flow problem
  209. OS .70 4 stroke problem
  210. OS Gemini 120 prop sizes
  211. Fixing up an old os .35fp need some help
  212. OS and KHB sleeve and Piston
  213. .46 Fx Compresssion
  214. 1.60 FX Bearings
  215. what is a stroke ?
  216. Engine running temperatures
  217. .50sx and 30% nitro
  218. OS 30 Max - S?
  219. Heavy hub on new 4 stk OS 91
  220. FS52s lot of oil
  221. Os 91 / Tuned Pipe Installation
  222. os fs 91 problem
  223. o.s. 120 surpass
  224. Compression ratio of OS .46FX and 1.60FX ?
  225. What RPM range in idel for a 0.46FX ?.
  226. os 70 shuts off
  227. OS46 Engine Quits?
  228. OS 91FS stops abrubtly recently
  229. OS 12tr Heat Sink
  230. Thanks O.S.
  231. 4 stoke engine maintenance
  232. Fan Installation os 50 sxh
  233. OS FS .40C Temps
  234. O.S. FS surpass II conversion from pump to non-pump
  235. Surpass II wont't run
  236. 91FX dimensions needed (not in manual)
  237. OS 140 with 60 pipe
  238. OS 120 Surpass II pumped won't run at full throttle.
  239. 61 ABC problems
  240. carburetor OS#60K
  241. OS 40 SF ABC throttle transition
  242. BGX 3500 Help!!!!!!
  243. HEATED owner of an OVERHEATED 91FX
  244. .46Fx
  245. 40 VF
  246. 0S .46SF - I want more power
  247. 91 SX-H timing info needed
  248. OS max 91 four stroke...no power or compression
  249. OS 1.40 prop