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  1. MOVED: Another broke O.S. .21 v-spec
  2. Another broke O.S. .21 v-spec
  3. How do you adjust low speed OS46SF W/PUMP
  4. Old O.S. SF with new O.S. FX Muffler ???
  5. os 120 3 w/pump
  6. Largest 3 blade prop for OS 1.60FX
  7. OS 108 RPM
  8. OS50SX-bearings
  9. another question
  10. OS Breaking-in procedure
  11. os 120 surpass2
  12. Where can O buy a regulator for my 120 pumped?
  13. O.S. Max 90
  14. OS 18 CV-R and Kwik-Pit Super Start
  15. Converting OS .18CVR-X to non pullstart ?
  16. MOVED: exhaust pipe
  17. need help
  18. exhaust header
  19. An old OS 21
  20. I need parts
  21. o.s.18tm temp?
  22. OS. FX 1.60
  23. 160fx dead stik
  24. How rich is too rich??? Need Help Tuning!!
  25. OX .46 Muffler Baffle
  26. .18 cvr cooling head
  27. OS .30 Fuel
  28. OS 40 Max Muffler
  29. Diference between OS 120 FS and 120 FS with pump?
  30. need help super fast
  31. OS Max .12TR
  32. V-spec Rod ?
  33. 46FX Run Problems
  34. OS 46 SF cylinder head
  35. spray bar 91 surpass
  36. walbro carbs?
  37. fit an Iron Bay feOS 46AX pressure nipple
  38. OS 65 LA rpm problem.Please help...
  39. After Run Oil For OS 75
  40. OS .12 TR
  41. OS 15 CV-R
  42. OS 1.60 FX for WWI plane
  43. O.S. .70 Ultimate 4-Stroke problems
  44. OS 91 FS w/pump: midrange problem.
  45. OS .61FX W/Pump
  46. os 160 ft needle valve/exhaust clearance
  47. OS max .25FP????
  48. .18tm piston question
  49. .18 CV-RX(s) Crank Broke
  50. Breaking in Question
  51. how do I know it's worth getting service ?
  52. MOVED: OS .50 RINGED
  53. Old OS 91 surpass FS needle problem
  54. propeller for os 120 AX
  55. Lean run or failed bearing?
  56. os .18 motor
  57. My .18 TM
  58. 91 fx with a 61 size pitts muffler
  59. clutch help...
  60. OS .61 SX-H No Start
  61. 120 AX, what is CCD technology?
  62. OS 91VDRF Pipes
  63. O.S. 1.60 FX Fuel Line ??
  64. o.s. max cz-r
  65. OS 46 FXi
  66. V-Spec plug ??
  67. FL-70 aerobatic tank setup
  68. OS .12TZ & RC10GT
  69. V-spec rod rubbing backplate
  70. OS 160 FX
  71. OS 32 setting
  72. slimline pitts/o.s. 91 fs 11
  73. OS Fxi Broken carb flange
  74. I want to send 3 engines for service
  75. OS FS 70 Ultimate 4-cycle w/pump
  76. OS ENGINES SUPPORTFOR MY
  77. BROKEN CLUNK "O"RING
  78. OS 91 FX Problem
  79. Injector of OS 140RX-FI
  80. OS 50sx leaky two piece muffler
  81. OS 91 FX muffler problem!
  82. OS 300 twin upgrades available?
  83. O.S MAX FXi 46 settings
  84. FS-91 II vibration problems
  85. 18 TM BUTTON HEAD
  86. os 40 fsr power
  87. 30% nitro
  88. O.S Max 40 FSR - appears to have bent rod?
  89. OS MAX-40LA needle valve
  90. Altitude and engine sizing
  91. OS .18TM on revo. Help with tunning!!!!
  92. Help! - OS FS 91 Full throttle is not Full Speed
  93. .12 CV-R warranty question
  94. 50 sx backplate
  95. 46 FX-H carb
  96. O.S. Limited FS Line of Engines
  97. MOVED: engine question . . .
  98. CV-RX .18
  99. OS Max 40 H
  100. OS RG .21 Idle ?
  101. H60FGR
  102. break in for OS1.08 FSR
  103. PROBLEM WITH NEW 1.20AX
  104. Removing Gum From Cylinder
  105. 18 tm revo piston rod spacer
  106. OS FS40 old four-stroke
  107. OS MAX FXi 46 not starting
  108. OS 70 FS Bearing ?
  109. OS 91FX 2 Stroke
  110. Pump for 46VXDF
  111. .12 tz break in
  112. OS fs-91 surpass running problems
  113. Brand New OS 46AX Grinding
  114. Prop Recommendation for an FS-120S-E/GP PT-17?
  115. os max 40 fp
  116. FT-120 questions.
  117. *Prop For The New OS MAX 120AX*
  118. OS 28F
  119. Front bearing question?
  120. OS 140 RX ... after run?
  121. OS MAX 46FXi Carb woes
  122. OS 50-SX and APC 14x4W?
  123. Ft-160 - How Many Versions?
  124. OS 50SX PART QUESTION
  125. MOVED: 15mm ID O-ring Adapter
  126. OS160FX FI problems
  127. os 4B carb factory idle mixture settings
  128. OS 91 FX inverted mounted problems
  129. spec sheet on .12tz
  130. OS 50 FSR questions
  131. OS48 Surpass Help
  132. YS20/20 Fuel in O.S.1.40RX?
  133. 91SII fuel leak
  134. fuel spitting out of carby - OS91 FS II Surpass
  135. .20 fp leaky
  136. Repowering
  137. OS 70 surpass II with pump, erratic running
  138. OS Max .61 SF (Ringed)
  139. CP 20% heli on OS 50 SX and OS 46 AX
  140. two needle carb from the new OS 160 twin fint the old 160 gemini twin with air bleed carb?
  141. In a revo
  142. Old O.S 48 FS
  143. Throttle on O.S. FS-70 II Surpass
  144. temp
  145. OS 46AX bearing question
  146. OS .12 TZ w/sidewinder 16% fuel
  147. MOVED: Old OS Max-H 60
  148. OS MAX-H 40
  149. os91 4t w/p surpass - fuel regulator problem
  150. Bax, what's the word on the OS 200 4-cycle?
  151. .12 CZ-R
  152. OS 1.20SIII (pumper)
  153. OS 46ax tuning problem
  154. O.S 46LA starting problems
  155. OS FS_1.20SIII will run without high speed needle
  156. O.S. L52 SC Complete Set One-Piece Pipe
  157. Conversion from RC to CL - 25 sizes
  158. How to hide the OS 91 FS Surpass Muffler ?
  159. Parts for a OS 40 FSR
  160. Is this normal?
  161. factory settings, .18tm
  162. 160 FX EXHAUST HEADER
  163. Max .37SZ-H Ring on a Concept
  164. .61 FSR
  165. OS91SX ACRO ??
  166. 18tm running in question
  167. O.S. 12 TZ
  168. instructions for old OS engines
  169. .12 cv os max and a 10L carb
  170. O.S FS-91
  171. OLD OS 70 SURPASS
  172. o.s. 18 cv
  173. OS FS crankcase breather
  174. OS 48 Rebuild Help
  175. OS FS91SII Bearing change trouble
  176. Pig in a poke??
  177. .61 FSR
  178. 61 FSR Rebuild
  179. O S 46FXi dies on takeoff
  180. Header and pipe set for .18 CV-RX (s) rotary carb
  181. 91FS Exhaust outlet pipe
  182. 46AX DOES NOT SOUND GOOD AFTER 10 FLIGHTS? HELP!
  183. OS-120 proper prop?
  184. os 46 needle setting problem
  185. Urgent- which clutch set for a .18CV-RX ?
  186. Extension part of E-4020
  187. FS 40 Surpass air bleed screw?
  188. OS 61 FS rebuild
  189. FS 61 Cam Bearings
  190. FS 61 Timing
  191. OS 18 CVR pull start problem
  192. I can find this part PA-102 pump system
  193. 1.08 Carb sleeve
  194. easy 1.08 question
  195. .12? carb
  196. os 1.6 fx overheating in giles 202
  197. FS-120Surpass II
  198. Need OS 52 FS manual
  199. 91 surpass no exhaust
  200. How do you break in an os 40 Fx
  201. OS 46 AX is it good or not
  202. OS91fx question
  203. Break-in prop for .91 FX
  204. .30 engine mount
  205. Fuel for a BGX?
  206. 1.08 bearing replacement surgery
  207. 46FX---AX help
  208. 140 RX... what glow plug?
  209. OS 120 Surpass I - Pump leak
  210. FS-70II RPM and exhaust questions.
  211. OS FS70 Ultimate
  212. OS 140 RX pipe tuning procedure
  213. OS 140 RX FI
  214. surpass backfire
  215. OS 120AX????!
  216. OS 61 in P-51 ARF
  217. OS.18cv-rx problem
  218. RUT ROH! .18TM gone??
  219. FS 120 w pump
  220. OS.18cv-rx problem
  221. os fs61
  222. OS 160FX FI
  223. OS 46 AX mid-range
  224. OS 200 4-stroke
  225. 2 questions
  226. 2 stroke piston orientation
  227. OS 160 factory settings
  228. OS .12 TZ 3port with HPI roto start?
  229. OS FS-91, bearing replacement.
  230. Weird OS40 LA Problem
  231. os91fourstroke
  232. OS part # 23882900 help
  233. OS 1.20 Surpass W/pump fuel line hookup?
  234. New OS LA 15??
  235. FS 90 trouble
  236. ball bearing replace on fs91p
  237. OS FS 26C II
  238. OS 160 Low Compression
  239. cam timing on OS-91 FS surpass
  240. 46la needle setting
  241. FT-300 Compression
  242. Os 160 muffler
  243. OS 50 bearing,,,
  244. FS 91 SII Head gasket?
  245. OS 70 Ultimate Regulator Issues
  246. OS 50SX weight?
  247. OS 60 FP Idling Problem
  248. FS 120III w/Pump Flooding
  249. How much blow-by is to much?
  250. 61 FX vs 61 SF