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

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