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  1. HELP!!!! 91 surpass cam position ??
  2. HELP! RX1.40 Problem (Bill-Some new info)
  3. FS-91SII Exhaust Port Thread Size
  4. OS 46FX - is fuel with 9% synthetic and 6% castrol ok?
  5. OS 120 III runs best at half throttle
  6. OS .25FX leaning out
  7. OS 70 Surpass Idle Problem
  8. OS 65LA A checkered history - Where do I go from here?
  9. Fuel in the RX1.40
  10. OS FT/160 Twin, Opinion Pse
  11. 40 fsr carburetor
  12. Os 50sxh
  13. OS .91 FS Surpass pump upgrade?
  14. 61 SF pump adjustment
  15. OS FT-120 prop
  16. OS reduction gear unit
  17. OS 120 111 pumped
  18. Help with O.S. .46SF
  19. Os 46fx
  20. OS FS-90 Bearing Sizes
  21. FS-26S Reverse rotation
  22. 2 minute motors
  23. OS 1.60 FX noise
  24. os46fx
  25. os fs-26s-cx no start
  26. OS 46 LA won't idle
  27. OS LA.40 thru .65-Remove the color?
  28. TYPE 60C CARB throttle stop screw
  29. Can a 46 FX H Ring be Converted into a 46 FX engine?
  30. OS SX 50 Pricing
  31. OS .48 and .90 4 cycle manual or settings?
  32. temperature?
  33. .91 FS surpass valve lash
  34. Replacement muffler screws
  35. Can't get connecting rod off crank pin. .46 SF
  36. 46FX suddenly dies?
  37. Clicking sound in OS91FS
  38. FS-91 II Surpass mounting and break-in
  39. 1.60 FX does it need a pump?
  40. Pitts muffler available for .25FX
  41. 91FX fuel consumption
  42. Scaled glow plugs - OS No.8 and A3
  43. OS .40la question
  44. Vintage/New/OLD FSR 40
  45. .61 FSR Head Bolt size?
  46. OS 46FX Head Gasket
  47. OS 46FX running problem
  48. converting twin 300 to gas?
  49. OS140RX Carby
  50. Need a threaded exhausted nipple for an OS FS-91
  51. os 61lxh
  52. OS 61SF pumped engine nipple hookup
  53. OS91 valve clearance
  54. OS 15 CV-RX' One-Way Bearing slipping
  55. os 91 fx knock/ping
  56. Gemini 1.20 She No Idle...
  57. OS .90 FS on 30% Heli
  58. 120 Surpass Mk I pump problem
  59. 1.60 FX questions
  60. O.S.45 FSR carb
  61. Os Ft-240
  62. OS 70,Second Request
  63. OS manual _vs_ break-in
  64. Os 160 Pipe Spacer Question
  65. OS 46 FX needle valve
  66. Any special forums existing for the FI motors?
  67. OS52fs
  68. 91FX again (sigh)
  69. OS 46fsr
  70. More power to any engine
  71. getting the most power out of my .91 fs
  72. O.S. 25 FX bogs down with 9X5 and 9X6 props...why?
  73. Old FX 46sf-Need help !
  74. 7M carb in a .61SF
  75. .46FX Bearing Damage???
  76. 48 Surpass muffler?
  77. 61 SF Carb pix
  78. peak torque range for OS FS70
  79. Super Charged FS120
  80. OS 61 RF/RF-P Rear Bearing Problems
  81. Replacement for the 61 RXH
  82. Os.46fx
  83. os 61 fs
  84. Os 108 Rear Bearings
  85. OS Max 40 RC
  86. About 61 RF pump
  87. OS LA Rebuilds?
  88. Proper break in procedure for OS 50 SX MAX
  89. detonation
  90. OS Max FS 26 4 stroke help
  91. Tower 46 / Also OS ???
  92. .61 FSR parts into a .61 SF
  93. Inhibiting after-run oil and O.S. Engines
  94. os 70
  95. Screws.
  96. too much heat for 46fx?
  97. Throttle lever info. needed
  98. Which engine to buy?
  99. Fuel For Use On Os Blackhead .60
  100. os61fs pump
  101. Loose crankshaft on 60FP
  102. 120 fs runs rich backfires
  103. FS-52 Throbbing
  104. from 10% nitro to 15%, break in again?
  105. OS Max 46 FX runs well, then quits...
  106. Os Blackhead 60 Parts
  107. OS FS-61 shutting down
  108. Surpass 91 with Pump Surge Problem
  109. .70 sz-h piston damage
  110. Fuel line attachment for OS Max SF 61 pumped
  111. Trouble with new 46FX
  112. 25LA; how much oil?
  113. Exploded View of Older Pump?
  114. OS/Tower Hobbies website question
  115. Black Residue
  116. OS 25 fp RPM ???
  117. OS FP 35 -needle
  118. Best right mount muffler for OS 46 FX-H
  119. I'm not happy with my new OS .91 FX.
  120. Minimum nitro content 1.6 FX-FI
  121. Engine Timing
  122. OS 140 Surpass IV
  123. Fueling tricks for the pumped 91II?
  124. 7D carb
  125. Attn Bill Baxter or any OS rep that can help me
  126. muffler for os max .10
  127. Fuel Consumption pumped FS91-II
  128. OS .46 LA running problems
  129. OS 12 carburetor retainer
  130. Os 80 2 Stroke - Has Two Glow Plugs And Carb On Back
  131. Os 90 Four Stroke Model 1901 - Parts Needed
  132. Crash Question
  133. OS46Fx problems
  134. Why not make a supercharger for an engine!!!!
  135. You guys make great engines!!
  136. Fuel Type
  137. os 50sx problem.
  138. OS 120 4 Stroke Won't Idle Steady
  139. OS 120 Surpass wth pump Mk I
  140. OS 160 twin flame out
  141. Os 28f
  142. Os Older 25 Not Fp25 - Need Muffler
  143. os.32 low power
  144. old OS 90 2 stroke carb question
  145. O.S.Air Bleed Screw-original setting??
  146. OS Max .50 Model 50FSR-H Change Head?
  147. What year was the FS-60 introduced
  148. Help setting up OS Max FP 40
  149. Os Ft 160
  150. os 61 fx at 90 deg.
  151. Manual OS FS-40 (no Surpass)
  152. Surpass 120 valve timing
  153. Os 160 W/bisson Pitts Muffler
  154. O.S. 91fx
  155. 120-4cycle w/pump
  156. Sending for O.S. Max Service
  157. OS Max 60 sr NEED PISTON RING
  158. O.S. Long Stroke
  159. OS LA Series Problems?
  160. I need power band graphs for OS motors
  161. OS 91 Surpass not surpass II
  162. older os 90 with the glowplug in the front -- need both needle settings
  163. OS 46 FX like to start backward
  164. Prop size for Wankel?
  165. Old Os 120 non surpass with separate valve covers
  166. Please Close - found answer
  167. OS FS-120 III Surpass in Mile-High Denver
  168. CoolPower Green for OS .46 FX?.
  169. OS 32SX-H adjustment question
  170. Help with .61FX, changing needle valve position?
  171. OS 70 4 Stroke
  172. Os 46 Fxh
  173. .32
  174. OS 120 Surpass pump Mk1 or How to Save the pump
  175. OS 70 sv-h Breakin
  176. 4 stroke 70 OS
  177. 12CZ engine help
  178. OS 46fx runs great upright, but not inverted.
  179. OS 61 VF-H GS A-2 reduction Gear Unit
  180. Bearing Ball Missing
  181. OS-.50sx Best prop for speed+thrust??
  182. OS91FSII tap question
  183. Are there any downsides....
  184. Muffler Weight
  185. Fs140-fi
  186. need the distructions
  187. Difference between the OS 70 and 70II
  188. OS 70 II Surpass
  189. O.S 32 fh instructions needed
  190. OS .32SXH Bearing Removal
  191. O
  192. 140 RX EFI sagging
  193. Need Piston Help On Os.15cvx
  194. O.S. 1.20 Surpass II...
  195. OS .70 SZ-H Heli Availability
  196. prop size OS 91 surpass
  197. Mufflers For FT-160?
  198. O.S. .15CV settings ECT.
  199. Broken piston on O.S. .46FX
  200. Royally messed up .46FX!!!
  201. OS 91 FX needle settings
  202. 70FS Split Cotter Removal
  203. OS FS91 fuel flow problem
  204. OS .70 4 stroke problem
  205. OS Gemini 120 prop sizes
  206. Fixing up an old os .35fp need some help
  207. OS and KHB sleeve and Piston
  208. .46 Fx Compresssion
  209. 1.60 FX Bearings
  210. what is a stroke ?
  211. Engine running temperatures
  212. .50sx and 30% nitro
  213. OS 30 Max - S?
  214. Heavy hub on new 4 stk OS 91
  215. FS52s lot of oil
  216. Os 91 / Tuned Pipe Installation
  217. os fs 91 problem
  218. o.s. 120 surpass
  219. Compression ratio of OS .46FX and 1.60FX ?
  220. What RPM range in idel for a 0.46FX ?.
  221. os 70 shuts off
  222. OS46 Engine Quits?
  223. OS 91FS stops abrubtly recently
  224. OS 12tr Heat Sink
  225. Thanks O.S.
  226. 4 stoke engine maintenance
  227. Fan Installation os 50 sxh
  228. OS FS .40C Temps
  229. O.S. FS surpass II conversion from pump to non-pump
  230. Surpass II wont't run
  231. 91FX dimensions needed (not in manual)
  232. OS 140 with 60 pipe
  233. OS 120 Surpass II pumped won't run at full throttle.
  234. 61 ABC problems
  235. carburetor OS#60K
  236. OS 40 SF ABC throttle transition
  237. BGX 3500 Help!!!!!!
  238. HEATED owner of an OVERHEATED 91FX
  239. .46Fx
  240. 40 VF
  241. 0S .46SF - I want more power
  242. 91 SX-H timing info needed
  243. OS max 91 four stroke...no power or compression
  244. OS 1.40 prop
  245. .61 FX wont Idle, please help
  246. Gasket
  247. Setting high speed needle valve!
  248. Probs with .40fx
  249. 60J Carb