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