View Full Version : O.S. Engines Support



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  1. OS 1.60 FX noise
  2. os46fx
  3. os fs-26s-cx no start
  4. OS 46 LA won't idle
  5. OS LA.40 thru .65-Remove the color?
  6. TYPE 60C CARB throttle stop screw
  7. Can a 46 FX H Ring be Converted into a 46 FX engine?
  8. OS SX 50 Pricing
  9. OS .48 and .90 4 cycle manual or settings?
  10. temperature?
  11. .91 FS surpass valve lash
  12. Replacement muffler screws
  13. Can't get connecting rod off crank pin. .46 SF
  14. 46FX suddenly dies?
  15. Clicking sound in OS91FS
  16. FS-91 II Surpass mounting and break-in
  17. 1.60 FX does it need a pump?
  18. Pitts muffler available for .25FX
  19. 91FX fuel consumption
  20. Scaled glow plugs - OS No.8 and A3
  21. OS .40la question
  22. Vintage/New/OLD FSR 40
  23. .61 FSR Head Bolt size?
  24. OS 46FX Head Gasket
  25. OS 46FX running problem
  26. converting twin 300 to gas?
  27. OS140RX Carby
  28. Need a threaded exhausted nipple for an OS FS-91
  29. os 61lxh
  30. OS 61SF pumped engine nipple hookup
  31. OS91 valve clearance
  32. OS 15 CV-RX' One-Way Bearing slipping
  33. os 91 fx knock/ping
  34. Gemini 1.20 She No Idle...
  35. OS .90 FS on 30% Heli
  36. 120 Surpass Mk I pump problem
  37. 1.60 FX questions
  38. O.S.45 FSR carb
  39. Os Ft-240
  40. OS 70,Second Request
  41. OS manual _vs_ break-in
  42. Os 160 Pipe Spacer Question
  43. OS 46 FX needle valve
  44. Any special forums existing for the FI motors?
  45. OS52fs
  46. 91FX again (sigh)
  47. OS 46fsr
  48. More power to any engine
  49. getting the most power out of my .91 fs
  50. O.S. 25 FX bogs down with 9X5 and 9X6 props...why?
  51. Old FX 46sf-Need help !
  52. 7M carb in a .61SF
  53. .46FX Bearing Damage???
  54. 48 Surpass muffler?
  55. 61 SF Carb pix
  56. peak torque range for OS FS70
  57. Super Charged FS120
  58. OS 61 RF/RF-P Rear Bearing Problems
  59. Replacement for the 61 RXH
  60. Os.46fx
  61. os 61 fs
  62. Os 108 Rear Bearings
  63. OS Max 40 RC
  64. About 61 RF pump
  65. OS LA Rebuilds?
  66. Proper break in procedure for OS 50 SX MAX
  67. detonation
  68. OS Max FS 26 4 stroke help
  69. Tower 46 / Also OS ???
  70. .61 FSR parts into a .61 SF
  71. Inhibiting after-run oil and O.S. Engines
  72. os 70
  73. Screws.
  74. too much heat for 46fx?
  75. Throttle lever info. needed
  76. Which engine to buy?
  77. Fuel For Use On Os Blackhead .60
  78. os61fs pump
  79. Loose crankshaft on 60FP
  80. 120 fs runs rich backfires
  81. FS-52 Throbbing
  82. from 10% nitro to 15%, break in again?
  83. OS Max 46 FX runs well, then quits...
  84. Os Blackhead 60 Parts
  85. OS FS-61 shutting down
  86. Surpass 91 with Pump Surge Problem
  87. .70 sz-h piston damage
  88. Fuel line attachment for OS Max SF 61 pumped
  89. Trouble with new 46FX
  90. 25LA; how much oil?
  91. Exploded View of Older Pump?
  92. OS/Tower Hobbies website question
  93. Black Residue
  94. OS 25 fp RPM ???
  95. OS FP 35 -needle
  96. Best right mount muffler for OS 46 FX-H
  97. I'm not happy with my new OS .91 FX.
  98. Minimum nitro content 1.6 FX-FI
  99. Engine Timing
  100. OS 140 Surpass IV
  101. Fueling tricks for the pumped 91II?
  102. 7D carb
  103. Attn Bill Baxter or any OS rep that can help me
  104. muffler for os max .10
  105. Fuel Consumption pumped FS91-II
  106. OS .46 LA running problems
  107. OS 12 carburetor retainer
  108. Os 80 2 Stroke - Has Two Glow Plugs And Carb On Back
  109. Os 90 Four Stroke Model 1901 - Parts Needed
  110. Crash Question
  111. OS46Fx problems
  112. Why not make a supercharger for an engine!!!!
  113. You guys make great engines!!
  114. Fuel Type
  115. os 50sx problem.
  116. OS 120 4 Stroke Won't Idle Steady
  117. OS 120 Surpass wth pump Mk I
  118. OS 160 twin flame out
  119. Os 28f
  120. Os Older 25 Not Fp25 - Need Muffler
  121. os.32 low power
  122. old OS 90 2 stroke carb question
  123. O.S.Air Bleed Screw-original setting??
  124. OS Max .50 Model 50FSR-H Change Head?
  125. What year was the FS-60 introduced
  126. Help setting up OS Max FP 40
  127. Os Ft 160
  128. os 61 fx at 90 deg.
  129. Manual OS FS-40 (no Surpass)
  130. Surpass 120 valve timing
  131. Os 160 W/bisson Pitts Muffler
  132. O.S. 91fx
  133. 120-4cycle w/pump
  134. Sending for O.S. Max Service
  135. OS Max 60 sr NEED PISTON RING
  136. O.S. Long Stroke
  137. OS LA Series Problems?
  138. I need power band graphs for OS motors
  139. OS 91 Surpass not surpass II
  140. older os 90 with the glowplug in the front -- need both needle settings
  141. OS 46 FX like to start backward
  142. Prop size for Wankel?
  143. Old Os 120 non surpass with separate valve covers
  144. Please Close - found answer
  145. OS FS-120 III Surpass in Mile-High Denver
  146. CoolPower Green for OS .46 FX?.
  147. OS 32SX-H adjustment question
  148. Help with .61FX, changing needle valve position?
  149. OS 70 4 Stroke
  150. Os 46 Fxh
  151. .32
  152. OS 120 Surpass pump Mk1 or How to Save the pump
  153. OS 70 sv-h Breakin
  154. 4 stroke 70 OS
  155. 12CZ engine help
  156. OS 46fx runs great upright, but not inverted.
  157. OS 61 VF-H GS A-2 reduction Gear Unit
  158. Bearing Ball Missing
  159. OS-.50sx Best prop for speed+thrust??
  160. OS91FSII tap question
  161. Are there any downsides....
  162. Muffler Weight
  163. Fs140-fi
  164. need the distructions
  165. Difference between the OS 70 and 70II
  166. OS 70 II Surpass
  167. O.S 32 fh instructions needed
  168. OS .32SXH Bearing Removal
  169. O
  170. 140 RX EFI sagging
  171. Need Piston Help On Os.15cvx
  172. O.S. 1.20 Surpass II...
  173. OS .70 SZ-H Heli Availability
  174. prop size OS 91 surpass
  175. Mufflers For FT-160?
  176. O.S. .15CV settings ECT.
  177. Broken piston on O.S. .46FX
  178. Royally messed up .46FX!!!
  179. OS 91 FX needle settings
  180. 70FS Split Cotter Removal
  181. OS FS91 fuel flow problem
  182. OS .70 4 stroke problem
  183. OS Gemini 120 prop sizes
  184. Fixing up an old os .35fp need some help
  185. OS and KHB sleeve and Piston
  186. .46 Fx Compresssion
  187. 1.60 FX Bearings
  188. what is a stroke ?
  189. Engine running temperatures
  190. .50sx and 30% nitro
  191. OS 30 Max - S?
  192. Heavy hub on new 4 stk OS 91
  193. FS52s lot of oil
  194. Os 91 / Tuned Pipe Installation
  195. os fs 91 problem
  196. o.s. 120 surpass
  197. Compression ratio of OS .46FX and 1.60FX ?
  198. What RPM range in idel for a 0.46FX ?.
  199. os 70 shuts off
  200. OS46 Engine Quits?
  201. OS 91FS stops abrubtly recently
  202. OS 12tr Heat Sink
  203. Thanks O.S.
  204. 4 stoke engine maintenance
  205. Fan Installation os 50 sxh
  206. OS FS .40C Temps
  207. O.S. FS surpass II conversion from pump to non-pump
  208. Surpass II wont't run
  209. 91FX dimensions needed (not in manual)
  210. OS 140 with 60 pipe
  211. OS 120 Surpass II pumped won't run at full throttle.
  212. 61 ABC problems
  213. carburetor OS#60K
  214. OS 40 SF ABC throttle transition
  215. BGX 3500 Help!!!!!!
  216. HEATED owner of an OVERHEATED 91FX
  217. .46Fx
  218. 40 VF
  219. 0S .46SF - I want more power
  220. 91 SX-H timing info needed
  221. OS max 91 four stroke...no power or compression
  222. OS 1.40 prop
  223. .61 FX wont Idle, please help
  224. Gasket
  225. Setting high speed needle valve!
  226. Probs with .40fx
  227. 60J Carb
  228. os 120 surpass II w/pump
  229. OS50 XXrich@1/4 stick
  230. Os .15 Fp
  231. When to rebiuld?
  232. OS .10 Head and Back Plate Screw Sizes
  233. Need a new crank for and O.S.
  234. Removing Bearings and Crankshaft from 40 SF ABC
  235. os 91fs
  236. Os 15
  237. OS Max FP .40 Manual
  238. Os 50 Sxh
  239. Looking for manual
  240. OS 120 Carb
  241. Need OS part number...
  242. OS-30 weight spec is wrong!
  243. O.S. Surpass 30
  244. OS91 C-Spec
  245. 140RX spitting bearing!!!
  246. OS Engine Specs???
  247. fs 60 open rocker
  248. Engine Purchase Questions
  249. O.S. Buggy Engine, Can I convert to Pull start?

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