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  1. OS Breaking-in procedure
  2. os 120 surpass2
  3. Where can O buy a regulator for my 120 pumped?
  4. O.S. Max 90
  5. OS 18 CV-R and Kwik-Pit Super Start
  6. Converting OS .18CVR-X to non pullstart ?
  7. MOVED: exhaust pipe
  8. need help
  9. exhaust header
  10. An old OS 21
  11. I need parts
  12. o.s.18tm temp?
  13. OS. FX 1.60
  14. 160fx dead stik
  15. How rich is too rich??? Need Help Tuning!!
  16. OX .46 Muffler Baffle
  17. .18 cvr cooling head
  18. OS .30 Fuel
  19. OS 40 Max Muffler
  20. Diference between OS 120 FS and 120 FS with pump?
  21. need help super fast
  22. OS Max .12TR
  23. V-spec Rod ?
  24. 46FX Run Problems
  25. OS 46 SF cylinder head
  26. spray bar 91 surpass
  27. walbro carbs?
  28. fit an Iron Bay feOS 46AX pressure nipple
  29. OS 65 LA rpm problem.Please help...
  30. After Run Oil For OS 75
  31. OS .12 TR
  32. OS 15 CV-R
  33. OS 1.60 FX for WWI plane
  34. O.S. .70 Ultimate 4-Stroke problems
  35. OS 91 FS w/pump: midrange problem.
  36. OS .61FX W/Pump
  37. os 160 ft needle valve/exhaust clearance
  38. OS max .25FP????
  39. .18tm piston question
  40. .18 CV-RX(s) Crank Broke
  41. Breaking in Question
  42. how do I know it's worth getting service ?
  43. MOVED: OS .50 RINGED
  44. Old OS 91 surpass FS needle problem
  45. propeller for os 120 AX
  46. Lean run or failed bearing?
  47. os .18 motor
  48. My .18 TM
  49. 91 fx with a 61 size pitts muffler
  50. clutch help...
  51. OS .61 SX-H No Start
  52. 120 AX, what is CCD technology?
  53. OS 91VDRF Pipes
  54. O.S. 1.60 FX Fuel Line ??
  55. o.s. max cz-r
  56. OS 46 FXi
  57. V-Spec plug ??
  58. FL-70 aerobatic tank setup
  59. OS .12TZ & RC10GT
  60. V-spec rod rubbing backplate
  61. OS 160 FX
  62. OS 32 setting
  63. slimline pitts/o.s. 91 fs 11
  64. OS Fxi Broken carb flange
  65. I want to send 3 engines for service
  66. OS FS 70 Ultimate 4-cycle w/pump
  67. OS ENGINES SUPPORTFOR MY
  68. BROKEN CLUNK "O"RING
  69. OS 91 FX Problem
  70. Injector of OS 140RX-FI
  71. OS 50sx leaky two piece muffler
  72. OS 91 FX muffler problem!
  73. OS 300 twin upgrades available?
  74. O.S MAX FXi 46 settings
  75. FS-91 II vibration problems
  76. 18 TM BUTTON HEAD
  77. os 40 fsr power
  78. 30% nitro
  79. O.S Max 40 FSR - appears to have bent rod?
  80. OS MAX-40LA needle valve
  81. Altitude and engine sizing
  82. OS .18TM on revo. Help with tunning!!!!
  83. Help! - OS FS 91 Full throttle is not Full Speed
  84. .12 CV-R warranty question
  85. 50 sx backplate
  86. 46 FX-H carb
  87. O.S. Limited FS Line of Engines
  88. MOVED: engine question . . .
  89. CV-RX .18
  90. OS Max 40 H
  91. OS RG .21 Idle ?
  92. H60FGR
  93. break in for OS1.08 FSR
  94. PROBLEM WITH NEW 1.20AX
  95. Removing Gum From Cylinder
  96. 18 tm revo piston rod spacer
  97. OS FS40 old four-stroke
  98. OS MAX FXi 46 not starting
  99. OS 70 FS Bearing ?
  100. OS 91FX 2 Stroke
  101. Pump for 46VXDF
  102. .12 tz break in
  103. OS fs-91 surpass running problems
  104. Brand New OS 46AX Grinding
  105. Prop Recommendation for an FS-120S-E/GP PT-17?
  106. os max 40 fp
  107. FT-120 questions.
  108. *Prop For The New OS MAX 120AX*
  109. OS 28F
  110. Front bearing question?
  111. OS 140 RX ... after run?
  112. OS MAX 46FXi Carb woes
  113. OS 50-SX and APC 14x4W?
  114. Ft-160 - How Many Versions?
  115. OS 50SX PART QUESTION
  116. MOVED: 15mm ID O-ring Adapter
  117. OS160FX FI problems
  118. os 4B carb factory idle mixture settings
  119. OS 91 FX inverted mounted problems
  120. spec sheet on .12tz
  121. OS 50 FSR questions
  122. OS48 Surpass Help
  123. YS20/20 Fuel in O.S.1.40RX?
  124. 91SII fuel leak
  125. fuel spitting out of carby - OS91 FS II Surpass
  126. .20 fp leaky
  127. Repowering
  128. OS 70 surpass II with pump, erratic running
  129. OS Max .61 SF (Ringed)
  130. CP 20% heli on OS 50 SX and OS 46 AX
  131. two needle carb from the new OS 160 twin fint the old 160 gemini twin with air bleed carb?
  132. In a revo
  133. Old O.S 48 FS
  134. Throttle on O.S. FS-70 II Surpass
  135. temp
  136. OS 46AX bearing question
  137. OS .12 TZ w/sidewinder 16% fuel
  138. MOVED: Old OS Max-H 60
  139. OS MAX-H 40
  140. os91 4t w/p surpass - fuel regulator problem
  141. Bax, what's the word on the OS 200 4-cycle?
  142. .12 CZ-R
  143. OS 1.20SIII (pumper)
  144. OS 46ax tuning problem
  145. O.S 46LA starting problems
  146. OS FS_1.20SIII will run without high speed needle
  147. O.S. L52 SC Complete Set One-Piece Pipe
  148. Conversion from RC to CL - 25 sizes
  149. How to hide the OS 91 FS Surpass Muffler ?
  150. Parts for a OS 40 FSR
  151. Is this normal?
  152. factory settings, .18tm
  153. 160 FX EXHAUST HEADER
  154. Max .37SZ-H Ring on a Concept
  155. .61 FSR
  156. OS91SX ACRO ??
  157. 18tm running in question
  158. O.S. 12 TZ
  159. instructions for old OS engines
  160. .12 cv os max and a 10L carb
  161. O.S FS-91
  162. OLD OS 70 SURPASS
  163. o.s. 18 cv
  164. OS FS crankcase breather
  165. OS 48 Rebuild Help
  166. OS FS91SII Bearing change trouble
  167. Pig in a poke??
  168. .61 FSR
  169. 61 FSR Rebuild
  170. O S 46FXi dies on takeoff
  171. Header and pipe set for .18 CV-RX (s) rotary carb
  172. 91FS Exhaust outlet pipe
  173. 46AX DOES NOT SOUND GOOD AFTER 10 FLIGHTS? HELP!
  174. OS-120 proper prop?
  175. os 46 needle setting problem
  176. Urgent- which clutch set for a .18CV-RX ?
  177. Extension part of E-4020
  178. FS 40 Surpass air bleed screw?
  179. OS 61 FS rebuild
  180. FS 61 Cam Bearings
  181. FS 61 Timing
  182. OS 18 CVR pull start problem
  183. I can find this part PA-102 pump system
  184. 1.08 Carb sleeve
  185. easy 1.08 question
  186. .12? carb
  187. os 1.6 fx overheating in giles 202
  188. FS-120Surpass II
  189. Need OS 52 FS manual
  190. 91 surpass no exhaust
  191. How do you break in an os 40 Fx
  192. OS 46 AX is it good or not
  193. OS91fx question
  194. Break-in prop for .91 FX
  195. .30 engine mount
  196. Fuel for a BGX?
  197. 1.08 bearing replacement surgery
  198. 46FX---AX help
  199. 140 RX... what glow plug?
  200. OS 120 Surpass I - Pump leak
  201. FS-70II RPM and exhaust questions.
  202. OS FS70 Ultimate
  203. OS 140 RX pipe tuning procedure
  204. OS 140 RX FI
  205. surpass backfire
  206. OS 120AX????!
  207. OS 61 in P-51 ARF
  208. OS.18cv-rx problem
  209. RUT ROH! .18TM gone??
  210. FS 120 w pump
  211. OS.18cv-rx problem
  212. os fs61
  213. OS 160FX FI
  214. OS 46 AX mid-range
  215. OS 200 4-stroke
  216. 2 questions
  217. 2 stroke piston orientation
  218. OS 160 factory settings
  219. OS .12 TZ 3port with HPI roto start?
  220. OS FS-91, bearing replacement.
  221. Weird OS40 LA Problem
  222. os91fourstroke
  223. OS part # 23882900 help
  224. OS 1.20 Surpass W/pump fuel line hookup?
  225. New OS LA 15??
  226. FS 90 trouble
  227. ball bearing replace on fs91p
  228. OS FS 26C II
  229. OS 160 Low Compression
  230. cam timing on OS-91 FS surpass
  231. 46la needle setting
  232. FT-300 Compression
  233. Os 160 muffler
  234. OS 50 bearing,,,
  235. FS 91 SII Head gasket?
  236. OS 70 Ultimate Regulator Issues
  237. OS 50SX weight?
  238. OS 60 FP Idling Problem
  239. FS 120III w/Pump Flooding
  240. How much blow-by is to much?
  241. 61 FX vs 61 SF
  242. OS FS-70 Ultimate and APC 13x7
  243. FS 120 surpass III w/pump
  244. 3D prop for OS 160 FX
  245. OS 1.60 ABL?
  246. FS-40 Surpass FS-40S
  247. os 160 flame out
  248. surpass 3 120 with pump is good for pattern?
  249. 65 la
  250. Are they still in good order ?