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  1. Need to extend my Bisson muffler tubes
  2. Fitting and OS50SX
  3. OS 91 FS w/pump bogging down!
  4. FS-70 rebuild??
  5. o.s. o.b. break in
  6. FL70 Backfire problem HELP?? please???
  7. 25VF-DF on Viper Q-500
  8. OS Nipple Mounting
  9. marine 4-strokes?
  10. 180 header for the OS 18TZ -TX
  11. OS 120AX
  12. OS 55AX carb problem
  13. OS 52 and 70 surpass
  14. Fuel line size
  15. 91 surpass II lsn
  16. 18x6 prop for os 1.60??
  17. OS 91FX
  18. Can you Identify my OS120?
  19. 91 Surpass Bearings
  20. OS 91 4 stroke
  21. OS 160 Fx
  22. os. 18 tz won't start
  23. Tuned Pipe Confusion...Please Help~
  24. MOVED: 15LA
  25. OS 61FX
  26. Useful OS engine site
  27. What does the number on the muffler really mean?
  28. starter?
  29. OS91FX on tune pipe
  30. OS 46 AX won't turn over freely
  31. why dis-continue the cvr.12?
  32. 21vg, 30% nitro head shim
  33. OS 46 VXDF (or OS 46 VX-M) question
  34. OS BGX 3500
  35. Mid-range rattle ?
  36. OS 55 Ax Exhaust again
  37. OS 55 AX
  38. os .18 cvr crankcase stripping head bolts
  39. FS120-II with pump not consistent
  40. Header for 30 sized OS
  41. OS FS 70 Ultimate
  42. fs 40, seems to knock
  43. OS 18TM
  44. OS 91-FS Surpass 1 high speed needle overflow
  45. OS Instruction Manual Confusion
  46. osmg1992 crankcase pn#
  47. Broken Pressure Tap
  48. O.S. 160FX 3 bladed prop question.
  49. 1.60 FX in a Spitfire
  50. o.s. crankshaft
  51. OS 91 FX Question
  52. OS 61 SF peeling, fact or fiction
  53. Pull start for .12 CV-R
  54. MOVED: Aftermarket Piston, ring & cyl. liner 91Fx
  55. Help to ID OS motor
  56. OS61fx in a 46. size plane
  57. O.S. TZ-TX pull start help
  58. 3Blade Prop for OS BGX 3500
  59. Tuned exaust
  60. os .25 FX
  61. .40 LA Help.
  62. Extending the shaft of a FS120
  63. OS91FX mid range problem
  64. O. S. 1.60 FX FI
  65. OS .21 vpec question
  66. How to calculate thrust?
  67. OS FS 200 & 200FI
  68. help with parts for 91 fx
  69. 40 fs, info on ring/cylinder
  70. MOVED: Disassembly / reassembly O.S FS engine
  71. prop for 40 fs
  72. OS 61SF ABC-P
  73. 120AX
  74. OS 160FX prop
  75. 46 sf ring install
  76. O.S. FS-120 Bearings
  77. os 91 4 stroke
  78. OS 1.40 RX
  79. emp anf fuel
  80. temp anf fuel
  81. os fs 120 non surpass engine, circa 1983
  82. header / pipe for 18-cvr
  83. MOVED: GASOLINE MOTOR FOR TMAXX
  84. Hydra lock engine damage?
  85. Flexible Exhaust for OS Four Strokes
  86. Carb for 1.60FX
  87. 91 fx/ goldberg 10-300.. prop?
  88. What kind of OS .25 V engine do I have?
  89. 1.20 surpass Short Crank?
  90. OS FF240 Pegasus-Need cylinder head
  91. ODD PROBLEM 18TM
  92. Black oil residue, .46AX
  93. MOVED: Old OS 120 SF 4 Stroke parts
  94. Question about carb for 61 FX
  95. OS 120 AX cut
  96. OS vspec idling issue
  97. OS MAX 21 VZB (P) not v-spec
  98. Muffler for old PET OS 0.99?
  99. OS 15 replacement muffler
  100. .18 not getting good fuel
  101. OS61RF
  102. OS .40 FP
  103. 3-Bladed Prop for 1.60FX
  104. Running time
  105. os 18 tm
  106. MOVED: O.S. .91 FX with 14x6 ??
  107. removing bearings in 46FX?
  108. OS 18 CVRX
  109. OS AX 46
  110. Low-end needle valve factory settings for FX engines
  111. OS91 FX Inverted
  112. VZB Crankcase
  113. What OS Engine is this Exactly?
  114. OS engine for Inferno 777 WC
  115. FT-160 carb needed
  116. OS .91 II Surpass- 3-blade prop??
  117. OS .18 CVR Marine to pull-start?
  118. OWB slipping on CVR-X .15 Thoughts?
  119. OS .50 Hyper question
  120. OS 12TZ
  121. Vague instructs on prop tightening?
  122. vspec without carby inserts
  123. os 52 surpass
  124. Frustrated by lack of parts for O.S. FS-120 III
  125. OS parts that fit on Magnum engines
  126. OS91FX Problem
  127. Probs with OS 32 engine
  128. Unusual carb rotor slot wear
  129. Rear bearing stuck on crank on OS 61 FX
  130. OS FS Surpass 120 E
  131. .21 vspec problems
  132. OS .55AX 90Degree muffler adapter
  133. O.S .21 VG(P) questions
  134. 46 FX bearings ???
  135. os 18tm to bump start
  136. OS 120ax bearing replacement
  137. 120 4/C W/Pump quits when glow clip removed
  138. os 91 fs tends to die after 20-30sec idling
  139. OS 160 burning up plugs
  140. OS 91 FS
  141. 25FX problems
  142. Muffler OS50sx
  143. need 2 pushrods and covers for os90 fs
  144. Air Bubbles troubles ?
  145. OS 40 MAX LA
  146. Long or short plug OS 46 LA
  147. OS .18 CVR
  148. OS 91 Prop Size w/ large spinner
  149. Different versions of O.S. 61 Hanno
  150. OS 91 small head df
  151. OS FS-26S hard to start
  152. Muffler question OS FS-120 Surpass II pumped
  153. OS140RX
  154. Engine Cleaning
  155. 160 twin prop. size
  156. vspec problem
  157. OS RX-M Spare parts
  158. 30% Nitro- Do I Need A Head Shim?
  159. Help needed with pump on OS FS 120
  160. OS FS-200s
  161. OS FS 70 ll Surpass throttle
  162. I have a T-maxx 2.5 with many mods questions about O.S. engine
  163. Help needed with OS.fs-120III
  164. OS .18 TM wrist pin issue...
  165. OS peeling discussion over in glow engine forum
  166. OS .46AX CONROD BROKEN.
  167. FS120
  168. OS 55AX or OS50SX
  169. O.S. 1.20 AX Specs
  170. O.S 240 Pegasus problem
  171. O.S. RG idle carb problem
  172. max 18 cv r pull start
  173. OS 1.08 FSR help !
  174. O.S. 240 Pegasus
  175. Aquacraft 18 Engine - O.S.?
  176. OS 46 running Backwards
  177. OS 61 FX vibration
  178. which version OS 120 do i have?
  179. OS 25 fx question
  180. os vspec temperature
  181. O.S. BGX-1 3500 question?
  182. OS fourstroke overheating?
  183. RE:engine instructions
  184. OS BGX1
  185. Big time noob question
  186. OS #8 vs A-5 Glow Plugs
  187. 70th Anniversary Edition FS-52S
  188. .46fx bearings Play??
  189. running problems with OS 25 FX
  190. os fs 48 piston ring
  191. MOVED: la.40 hop ups
  192. New sleeve for OS .18 TM
  193. OS 40 FP yea, it's an older model...
  194. OS FS-61 intake manifold part number?
  195. 160 fx problem
  196. Rebate
  197. 50SX & Hatori pipe
  198. OS .18 TM disassembly?...
  199. OS 70 SURPASS HEAD TROUBLE-
  200. Pressure nipple for OS 120 AX
  201. 0.S 160FX FI
  202. 1.40 RX Bearings
  203. O.S. 46LA Engine Problems
  204. OS 160 Fx pipe
  205. sleeve honing procedure
  206. OS 1.6 FX for Dynaflite Super Decathlon
  207. Can I reverse the rotation of a 0.46AX engine?
  208. OS TG??
  209. 1.60 FX exhaust questions
  210. Sara's science project: prop vs thrust
  211. O.S. FS-91 II Surpass w/Pump
  212. v-spec
  213. OS RG Non-pull start?
  214. MOVED: OS 1.20 AX
  215. Thanks and experience with FX160
  216. This FL70 has a problem
  217. Adding After Run Oil in 4-stroke
  218. Crankshaft endplay
  219. 91FX with tuned pipe
  220. Starting problem on OS 70
  221. OS 91 Surpass
  222. EB Modified 12Tz vs 12Tz(p) speed tune
  223. OS .70 Surpass (early model) trouble
  224. OS 91 FS Surpass
  225. 26 FS dissassembly
  226. Two Valve cover FS 120
  227. newer carb
  228. FS 120 Surpass
  229. OS 91FX High Speed Needle Not Responsive
  230. O.S. 18CV-RX nitro and oil content
  231. OS .21 VZ-B V-Spec-T Break-In Questions
  232. Fuel for 1.60 FX
  233. O.S. .50F SR
  234. os engine for revo racing
  235. Re: Differences in the .61SF & .61SF-H
  236. Idle Stop screw
  237. 1.60 rear crankshaft bearing
  238. What modern OS 4-stroke engine has the same power as the OS H60F from the 1970s?
  239. OS 160 FX Mid-range tuning
  240. Inverted OS 70 Surpass II run problems
  241. Engine accessories
  242. Crankcase breather
  243. 91FX break in
  244. Long term storage 91FX
  245. Why did OS stop making hot 2 strokes?
  246. lack of engine compression
  247. OS FS-91SII-P Extreme Vibration
  248. OS .46LA carburator issue
  249. OS120AX
  250. OS 70 FS II Exhaust Header