View Full Version : O.S. Engines Support



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  1. Useful OS engine site
  2. What does the number on the muffler really mean?
  3. starter?
  4. OS91FX on tune pipe
  5. OS 46 AX won't turn over freely
  6. why dis-continue the cvr.12?
  7. 21vg, 30% nitro head shim
  8. OS 46 VXDF (or OS 46 VX-M) question
  9. OS BGX 3500
  10. Mid-range rattle ?
  11. OS 55 Ax Exhaust again
  12. OS 55 AX
  13. os .18 cvr crankcase stripping head bolts
  14. FS120-II with pump not consistent
  15. Header for 30 sized OS
  16. OS FS 70 Ultimate
  17. fs 40, seems to knock
  18. OS 18TM
  19. OS 91-FS Surpass 1 high speed needle overflow
  20. OS Instruction Manual Confusion
  21. osmg1992 crankcase pn#
  22. Broken Pressure Tap
  23. O.S. 160FX 3 bladed prop question.
  24. 1.60 FX in a Spitfire
  25. o.s. crankshaft
  26. OS 91 FX Question
  27. OS 61 SF peeling, fact or fiction
  28. Pull start for .12 CV-R
  29. MOVED: Aftermarket Piston, ring & cyl. liner 91Fx
  30. Help to ID OS motor
  31. OS61fx in a 46. size plane
  32. O.S. TZ-TX pull start help
  33. 3Blade Prop for OS BGX 3500
  34. Tuned exaust
  35. os .25 FX
  36. .40 LA Help.
  37. Extending the shaft of a FS120
  38. OS91FX mid range problem
  39. O. S. 1.60 FX FI
  40. OS .21 vpec question
  41. How to calculate thrust?
  42. OS FS 200 & 200FI
  43. help with parts for 91 fx
  44. 40 fs, info on ring/cylinder
  45. MOVED: Disassembly / reassembly O.S FS engine
  46. prop for 40 fs
  47. OS 61SF ABC-P
  48. 120AX
  49. OS 160FX prop
  50. 46 sf ring install
  51. O.S. FS-120 Bearings
  52. os 91 4 stroke
  53. OS 1.40 RX
  54. emp anf fuel
  55. temp anf fuel
  56. os fs 120 non surpass engine, circa 1983
  57. header / pipe for 18-cvr
  58. MOVED: GASOLINE MOTOR FOR TMAXX
  59. Hydra lock engine damage?
  60. Flexible Exhaust for OS Four Strokes
  61. Carb for 1.60FX
  62. 91 fx/ goldberg 10-300.. prop?
  63. What kind of OS .25 V engine do I have?
  64. 1.20 surpass Short Crank?
  65. OS FF240 Pegasus-Need cylinder head
  66. ODD PROBLEM 18TM
  67. Black oil residue, .46AX
  68. MOVED: Old OS 120 SF 4 Stroke parts
  69. Question about carb for 61 FX
  70. OS 120 AX cut
  71. OS vspec idling issue
  72. OS MAX 21 VZB (P) not v-spec
  73. Muffler for old PET OS 0.99?
  74. OS 15 replacement muffler
  75. .18 not getting good fuel
  76. OS61RF
  77. OS .40 FP
  78. 3-Bladed Prop for 1.60FX
  79. Running time
  80. os 18 tm
  81. MOVED: O.S. .91 FX with 14x6 ??
  82. removing bearings in 46FX?
  83. OS 18 CVRX
  84. OS AX 46
  85. Low-end needle valve factory settings for FX engines
  86. OS91 FX Inverted
  87. VZB Crankcase
  88. What OS Engine is this Exactly?
  89. OS engine for Inferno 777 WC
  90. FT-160 carb needed
  91. OS .91 II Surpass- 3-blade prop??
  92. OS .18 CVR Marine to pull-start?
  93. OWB slipping on CVR-X .15 Thoughts?
  94. OS .50 Hyper question
  95. OS 12TZ
  96. Vague instructs on prop tightening?
  97. vspec without carby inserts
  98. os 52 surpass
  99. Frustrated by lack of parts for O.S. FS-120 III
  100. OS parts that fit on Magnum engines
  101. OS91FX Problem
  102. Probs with OS 32 engine
  103. Unusual carb rotor slot wear
  104. Rear bearing stuck on crank on OS 61 FX
  105. OS FS Surpass 120 E
  106. .21 vspec problems
  107. OS .55AX 90Degree muffler adapter
  108. O.S .21 VG(P) questions
  109. 46 FX bearings ???
  110. os 18tm to bump start
  111. OS 120ax bearing replacement
  112. 120 4/C W/Pump quits when glow clip removed
  113. os 91 fs tends to die after 20-30sec idling
  114. OS 160 burning up plugs
  115. OS 91 FS
  116. 25FX problems
  117. Muffler OS50sx
  118. need 2 pushrods and covers for os90 fs
  119. Air Bubbles troubles ?
  120. OS 40 MAX LA
  121. Long or short plug OS 46 LA
  122. OS .18 CVR
  123. OS 91 Prop Size w/ large spinner
  124. Different versions of O.S. 61 Hanno
  125. OS 91 small head df
  126. OS FS-26S hard to start
  127. Muffler question OS FS-120 Surpass II pumped
  128. OS140RX
  129. Engine Cleaning
  130. 160 twin prop. size
  131. vspec problem
  132. OS RX-M Spare parts
  133. 30% Nitro- Do I Need A Head Shim?
  134. Help needed with pump on OS FS 120
  135. OS FS-200s
  136. OS FS 70 ll Surpass throttle
  137. I have a T-maxx 2.5 with many mods questions about O.S. engine
  138. Help needed with OS.fs-120III
  139. OS .18 TM wrist pin issue...
  140. OS peeling discussion over in glow engine forum
  141. OS .46AX CONROD BROKEN.
  142. FS120
  143. OS 55AX or OS50SX
  144. O.S. 1.20 AX Specs
  145. O.S 240 Pegasus problem
  146. O.S. RG idle carb problem
  147. max 18 cv r pull start
  148. OS 1.08 FSR help !
  149. O.S. 240 Pegasus
  150. Aquacraft 18 Engine - O.S.?
  151. OS 46 running Backwards
  152. OS 61 FX vibration
  153. which version OS 120 do i have?
  154. OS 25 fx question
  155. os vspec temperature
  156. O.S. BGX-1 3500 question?
  157. OS fourstroke overheating?
  158. RE:engine instructions
  159. OS BGX1
  160. Big time noob question
  161. OS #8 vs A-5 Glow Plugs
  162. 70th Anniversary Edition FS-52S
  163. .46fx bearings Play??
  164. running problems with OS 25 FX
  165. os fs 48 piston ring
  166. MOVED: la.40 hop ups
  167. New sleeve for OS .18 TM
  168. OS 40 FP yea, it's an older model...
  169. OS FS-61 intake manifold part number?
  170. 160 fx problem
  171. Rebate
  172. 50SX & Hatori pipe
  173. OS .18 TM disassembly?...
  174. OS 70 SURPASS HEAD TROUBLE-
  175. Pressure nipple for OS 120 AX
  176. 0.S 160FX FI
  177. 1.40 RX Bearings
  178. O.S. 46LA Engine Problems
  179. OS 160 Fx pipe
  180. sleeve honing procedure
  181. OS 1.6 FX for Dynaflite Super Decathlon
  182. Can I reverse the rotation of a 0.46AX engine?
  183. OS TG??
  184. 1.60 FX exhaust questions
  185. Sara's science project: prop vs thrust
  186. O.S. FS-91 II Surpass w/Pump
  187. v-spec
  188. OS RG Non-pull start?
  189. MOVED: OS 1.20 AX
  190. Thanks and experience with FX160
  191. This FL70 has a problem
  192. Adding After Run Oil in 4-stroke
  193. Crankshaft endplay
  194. 91FX with tuned pipe
  195. Starting problem on OS 70
  196. OS 91 Surpass
  197. EB Modified 12Tz vs 12Tz(p) speed tune
  198. OS .70 Surpass (early model) trouble
  199. OS 91 FS Surpass
  200. 26 FS dissassembly
  201. Two Valve cover FS 120
  202. newer carb
  203. FS 120 Surpass
  204. OS 91FX High Speed Needle Not Responsive
  205. O.S. 18CV-RX nitro and oil content
  206. OS .21 VZ-B V-Spec-T Break-In Questions
  207. Fuel for 1.60 FX
  208. O.S. .50F SR
  209. os engine for revo racing
  210. Re: Differences in the .61SF & .61SF-H
  211. Idle Stop screw
  212. 1.60 rear crankshaft bearing
  213. What modern OS 4-stroke engine has the same power as the OS H60F from the 1970s?
  214. OS 160 FX Mid-range tuning
  215. Inverted OS 70 Surpass II run problems
  216. Engine accessories
  217. Crankcase breather
  218. 91FX break in
  219. Long term storage 91FX
  220. Why did OS stop making hot 2 strokes?
  221. lack of engine compression
  222. OS FS-91SII-P Extreme Vibration
  223. OS .46LA carburator issue
  224. OS120AX
  225. OS 70 FS II Exhaust Header
  226. What's the difference between 120 Surpass (I), II and III?
  227. OS FS 120E Pressure question
  228. crank bearing removal and install
  229. 46SF ringed starving for fuel
  230. Need specifications for O.S Max FT-120 Twin Gemini ll
  231. Fuel for Surpass 70
  232. O.S 70 SURPASS prop question
  233. 50sx/50sxh bearing failures
  234. OS 0.25 FP engine running problems
  235. need book on 120 fs
  236. "effective adjstment range" for low speed needle
  237. *OS 120AX Sounds Rough*
  238. macs tuned pipe for os 61 fx
  239. V-spec piston skirt
  240. OS 91FX old engine
  241. OS 46FX Help
  242. Valve lash tool for FS-70 II?
  243. fs120 super charger.........need help
  244. OS 91 FS Surpass pumped
  245. ill,
  246. os max 120
  247. MOVED: Carbon Prop for 160FX
  248. Purpose of mixture screw on FS-70S II
  249. Throttle arm
  250. OS35 Parts

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