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  1. 1.60 FX questions
  2. O.S.45 FSR carb
  3. Os Ft-240
  4. OS 70,Second Request
  5. OS manual _vs_ break-in
  6. Os 160 Pipe Spacer Question
  7. OS 46 FX needle valve
  8. Any special forums existing for the FI motors?
  9. OS52fs
  10. 91FX again (sigh)
  11. OS 46fsr
  12. More power to any engine
  13. getting the most power out of my .91 fs
  14. O.S. 25 FX bogs down with 9X5 and 9X6 props...why?
  15. Old FX 46sf-Need help !
  16. 7M carb in a .61SF
  17. .46FX Bearing Damage???
  18. 48 Surpass muffler?
  19. 61 SF Carb pix
  20. peak torque range for OS FS70
  21. Super Charged FS120
  22. OS 61 RF/RF-P Rear Bearing Problems
  23. Replacement for the 61 RXH
  24. Os.46fx
  25. os 61 fs
  26. Os 108 Rear Bearings
  27. OS Max 40 RC
  28. About 61 RF pump
  29. OS LA Rebuilds?
  30. Proper break in procedure for OS 50 SX MAX
  31. detonation
  32. OS Max FS 26 4 stroke help
  33. Tower 46 / Also OS ???
  34. .61 FSR parts into a .61 SF
  35. Inhibiting after-run oil and O.S. Engines
  36. os 70
  37. Screws.
  38. too much heat for 46fx?
  39. Throttle lever info. needed
  40. Which engine to buy?
  41. Fuel For Use On Os Blackhead .60
  42. os61fs pump
  43. Loose crankshaft on 60FP
  44. 120 fs runs rich backfires
  45. FS-52 Throbbing
  46. from 10% nitro to 15%, break in again?
  47. OS Max 46 FX runs well, then quits...
  48. Os Blackhead 60 Parts
  49. OS FS-61 shutting down
  50. Surpass 91 with Pump Surge Problem
  51. .70 sz-h piston damage
  52. Fuel line attachment for OS Max SF 61 pumped
  53. Trouble with new 46FX
  54. 25LA; how much oil?
  55. Exploded View of Older Pump?
  56. OS/Tower Hobbies website question
  57. Black Residue
  58. OS 25 fp RPM ???
  59. OS FP 35 -needle
  60. Best right mount muffler for OS 46 FX-H
  61. I'm not happy with my new OS .91 FX.
  62. Minimum nitro content 1.6 FX-FI
  63. Engine Timing
  64. OS 140 Surpass IV
  65. Fueling tricks for the pumped 91II?
  66. 7D carb
  67. Attn Bill Baxter or any OS rep that can help me
  68. muffler for os max .10
  69. Fuel Consumption pumped FS91-II
  70. OS .46 LA running problems
  71. OS 12 carburetor retainer
  72. Os 80 2 Stroke - Has Two Glow Plugs And Carb On Back
  73. Os 90 Four Stroke Model 1901 - Parts Needed
  74. Crash Question
  75. OS46Fx problems
  76. Why not make a supercharger for an engine!!!!
  77. You guys make great engines!!
  78. Fuel Type
  79. os 50sx problem.
  80. OS 120 4 Stroke Won't Idle Steady
  81. OS 120 Surpass wth pump Mk I
  82. OS 160 twin flame out
  83. Os 28f
  84. Os Older 25 Not Fp25 - Need Muffler
  85. os.32 low power
  86. old OS 90 2 stroke carb question
  87. O.S.Air Bleed Screw-original setting??
  88. OS Max .50 Model 50FSR-H Change Head?
  89. What year was the FS-60 introduced
  90. Help setting up OS Max FP 40
  91. Os Ft 160
  92. os 61 fx at 90 deg.
  93. Manual OS FS-40 (no Surpass)
  94. Surpass 120 valve timing
  95. Os 160 W/bisson Pitts Muffler
  96. O.S. 91fx
  97. 120-4cycle w/pump
  98. Sending for O.S. Max Service
  99. OS Max 60 sr NEED PISTON RING
  100. O.S. Long Stroke
  101. OS LA Series Problems?
  102. I need power band graphs for OS motors
  103. OS 91 Surpass not surpass II
  104. older os 90 with the glowplug in the front -- need both needle settings
  105. OS 46 FX like to start backward
  106. Prop size for Wankel?
  107. Old Os 120 non surpass with separate valve covers
  108. Please Close - found answer
  109. OS FS-120 III Surpass in Mile-High Denver
  110. CoolPower Green for OS .46 FX?.
  111. OS 32SX-H adjustment question
  112. Help with .61FX, changing needle valve position?
  113. OS 70 4 Stroke
  114. Os 46 Fxh
  115. .32
  116. OS 120 Surpass pump Mk1 or How to Save the pump
  117. OS 70 sv-h Breakin
  118. 4 stroke 70 OS
  119. 12CZ engine help
  120. OS 46fx runs great upright, but not inverted.
  121. OS 61 VF-H GS A-2 reduction Gear Unit
  122. Bearing Ball Missing
  123. OS-.50sx Best prop for speed+thrust??
  124. OS91FSII tap question
  125. Are there any downsides....
  126. Muffler Weight
  127. Fs140-fi
  128. need the distructions
  129. Difference between the OS 70 and 70II
  130. OS 70 II Surpass
  131. O.S 32 fh instructions needed
  132. OS .32SXH Bearing Removal
  133. O
  134. 140 RX EFI sagging
  135. Need Piston Help On Os.15cvx
  136. O.S. 1.20 Surpass II...
  137. OS .70 SZ-H Heli Availability
  138. prop size OS 91 surpass
  139. Mufflers For FT-160?
  140. O.S. .15CV settings ECT.
  141. Broken piston on O.S. .46FX
  142. Royally messed up .46FX!!!
  143. OS 91 FX needle settings
  144. 70FS Split Cotter Removal
  145. OS FS91 fuel flow problem
  146. OS .70 4 stroke problem
  147. OS Gemini 120 prop sizes
  148. Fixing up an old os .35fp need some help
  149. OS and KHB sleeve and Piston
  150. .46 Fx Compresssion
  151. 1.60 FX Bearings
  152. what is a stroke ?
  153. Engine running temperatures
  154. .50sx and 30% nitro
  155. OS 30 Max - S?
  156. Heavy hub on new 4 stk OS 91
  157. FS52s lot of oil
  158. Os 91 / Tuned Pipe Installation
  159. os fs 91 problem
  160. o.s. 120 surpass
  161. Compression ratio of OS .46FX and 1.60FX ?
  162. What RPM range in idel for a 0.46FX ?.
  163. os 70 shuts off
  164. OS46 Engine Quits?
  165. OS 91FS stops abrubtly recently
  166. OS 12tr Heat Sink
  167. Thanks O.S.
  168. 4 stoke engine maintenance
  169. Fan Installation os 50 sxh
  170. OS FS .40C Temps
  171. O.S. FS surpass II conversion from pump to non-pump
  172. Surpass II wont't run
  173. 91FX dimensions needed (not in manual)
  174. OS 140 with 60 pipe
  175. OS 120 Surpass II pumped won't run at full throttle.
  176. 61 ABC problems
  177. carburetor OS#60K
  178. OS 40 SF ABC throttle transition
  179. BGX 3500 Help!!!!!!
  180. HEATED owner of an OVERHEATED 91FX
  181. .46Fx
  182. 40 VF
  183. 0S .46SF - I want more power
  184. 91 SX-H timing info needed
  185. OS max 91 four stroke...no power or compression
  186. OS 1.40 prop
  187. .61 FX wont Idle, please help
  188. Gasket
  189. Setting high speed needle valve!
  190. Probs with .40fx
  191. 60J Carb
  192. os 120 surpass II w/pump
  193. OS50 XXrich@1/4 stick
  194. Os .15 Fp
  195. When to rebiuld?
  196. OS .10 Head and Back Plate Screw Sizes
  197. Need a new crank for and O.S.
  198. Removing Bearings and Crankshaft from 40 SF ABC
  199. os 91fs
  200. Os 15
  201. OS Max FP .40 Manual
  202. Os 50 Sxh
  203. Looking for manual
  204. OS 120 Carb
  205. Need OS part number...
  206. OS-30 weight spec is wrong!
  207. O.S. Surpass 30
  208. OS91 C-Spec
  209. 140RX spitting bearing!!!
  210. OS Engine Specs???
  211. fs 60 open rocker
  212. Engine Purchase Questions
  213. O.S. Buggy Engine, Can I convert to Pull start?
  214. Should I replace the case on a os 61?
  215. OS FSR/SF Parts Interchange
  216. OS 140 Rx storage
  217. OS 70 leaking???
  218. .15 Fp
  219. OS 52 4 cyl.
  220. os40la
  221. O.s. 61 Sf Prop Nut Size
  222. Os 91 Fs
  223. Os21 Vz-r
  224. os FX silinder pilling ,is this still hapening Cause i have one that did it with only
  225. OS Max 1.2 FS Surpass II pumped
  226. 120 4cycle w/pump
  227. os40fx vs os fs52s
  228. OS 120 Surpass III w/ pump wont advance from idle
  229. .15cvx
  230. O.S. .28f w/2h carb. Why is the head......
  231. old os 120fs
  232. Amcross, somebody... questions about .46 FX break in ...
  233. Marine engine OS 91 VRM, who knows about existance ?
  234. os40LA quits
  235. OS 120 surpass w/ pump
  236. O.S. 61 SF with pump
  237. Flexible Exhaust Pipe with OS 120 surpass III?
  238. Part for OS FS-90 (non-surpass)
  239. OS RZV01B(p)
  240. 160 FX adjusting woes
  241. Pressure Regular on OS120 III with pump
  242. Initial L & H End Carb Settings for .46 SF ABC
  243. OS 10 LA Leaking fuel
  244. FS-70SII Loss of power
  245. O.s. Fs70s Plastic Part
  246. OS .46 V Rear Exhaust
  247. os 46fx back cover assembly??
  248. Os 140rx
  249. O.S. 61RF-P with os header & os tunepipe

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