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

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