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  1. need help
  2. exhaust header
  3. An old OS 21
  4. I need parts
  5. o.s.18tm temp?
  6. OS. FX 1.60
  7. 160fx dead stik
  8. How rich is too rich??? Need Help Tuning!!
  9. OX .46 Muffler Baffle
  10. .18 cvr cooling head
  11. OS .30 Fuel
  12. OS 40 Max Muffler
  13. Diference between OS 120 FS and 120 FS with pump?
  14. need help super fast
  15. OS Max .12TR
  16. V-spec Rod ?
  17. 46FX Run Problems
  18. OS 46 SF cylinder head
  19. spray bar 91 surpass
  20. walbro carbs?
  21. fit an Iron Bay feOS 46AX pressure nipple
  22. OS 65 LA rpm problem.Please help...
  23. After Run Oil For OS 75
  24. OS .12 TR
  25. OS 15 CV-R
  26. OS 1.60 FX for WWI plane
  27. O.S. .70 Ultimate 4-Stroke problems
  28. OS 91 FS w/pump: midrange problem.
  29. OS .61FX W/Pump
  30. os 160 ft needle valve/exhaust clearance
  31. OS max .25FP????
  32. .18tm piston question
  33. .18 CV-RX(s) Crank Broke
  34. Breaking in Question
  35. how do I know it's worth getting service ?
  36. MOVED: OS .50 RINGED
  37. Old OS 91 surpass FS needle problem
  38. propeller for os 120 AX
  39. Lean run or failed bearing?
  40. os .18 motor
  41. My .18 TM
  42. 91 fx with a 61 size pitts muffler
  43. clutch help...
  44. OS .61 SX-H No Start
  45. 120 AX, what is CCD technology?
  46. OS 91VDRF Pipes
  47. O.S. 1.60 FX Fuel Line ??
  48. o.s. max cz-r
  49. OS 46 FXi
  50. V-Spec plug ??
  51. FL-70 aerobatic tank setup
  52. OS .12TZ & RC10GT
  53. V-spec rod rubbing backplate
  54. OS 160 FX
  55. OS 32 setting
  56. slimline pitts/o.s. 91 fs 11
  57. OS Fxi Broken carb flange
  58. I want to send 3 engines for service
  59. OS FS 70 Ultimate 4-cycle w/pump
  60. OS ENGINES SUPPORTFOR MY
  61. BROKEN CLUNK "O"RING
  62. OS 91 FX Problem
  63. Injector of OS 140RX-FI
  64. OS 50sx leaky two piece muffler
  65. OS 91 FX muffler problem!
  66. OS 300 twin upgrades available?
  67. O.S MAX FXi 46 settings
  68. FS-91 II vibration problems
  69. 18 TM BUTTON HEAD
  70. os 40 fsr power
  71. 30% nitro
  72. O.S Max 40 FSR - appears to have bent rod?
  73. OS MAX-40LA needle valve
  74. Altitude and engine sizing
  75. OS .18TM on revo. Help with tunning!!!!
  76. Help! - OS FS 91 Full throttle is not Full Speed
  77. .12 CV-R warranty question
  78. 50 sx backplate
  79. 46 FX-H carb
  80. O.S. Limited FS Line of Engines
  81. MOVED: engine question . . .
  82. CV-RX .18
  83. OS Max 40 H
  84. OS RG .21 Idle ?
  85. H60FGR
  86. break in for OS1.08 FSR
  87. PROBLEM WITH NEW 1.20AX
  88. Removing Gum From Cylinder
  89. 18 tm revo piston rod spacer
  90. OS FS40 old four-stroke
  91. OS MAX FXi 46 not starting
  92. OS 70 FS Bearing ?
  93. OS 91FX 2 Stroke
  94. Pump for 46VXDF
  95. .12 tz break in
  96. OS fs-91 surpass running problems
  97. Brand New OS 46AX Grinding
  98. Prop Recommendation for an FS-120S-E/GP PT-17?
  99. os max 40 fp
  100. FT-120 questions.
  101. *Prop For The New OS MAX 120AX*
  102. OS 28F
  103. Front bearing question?
  104. OS 140 RX ... after run?
  105. OS MAX 46FXi Carb woes
  106. OS 50-SX and APC 14x4W?
  107. Ft-160 - How Many Versions?
  108. OS 50SX PART QUESTION
  109. MOVED: 15mm ID O-ring Adapter
  110. OS160FX FI problems
  111. os 4B carb factory idle mixture settings
  112. OS 91 FX inverted mounted problems
  113. spec sheet on .12tz
  114. OS 50 FSR questions
  115. OS48 Surpass Help
  116. YS20/20 Fuel in O.S.1.40RX?
  117. 91SII fuel leak
  118. fuel spitting out of carby - OS91 FS II Surpass
  119. .20 fp leaky
  120. Repowering
  121. OS 70 surpass II with pump, erratic running
  122. OS Max .61 SF (Ringed)
  123. CP 20% heli on OS 50 SX and OS 46 AX
  124. two needle carb from the new OS 160 twin fint the old 160 gemini twin with air bleed carb?
  125. In a revo
  126. Old O.S 48 FS
  127. Throttle on O.S. FS-70 II Surpass
  128. temp
  129. OS 46AX bearing question
  130. OS .12 TZ w/sidewinder 16% fuel
  131. MOVED: Old OS Max-H 60
  132. OS MAX-H 40
  133. os91 4t w/p surpass - fuel regulator problem
  134. Bax, what's the word on the OS 200 4-cycle?
  135. .12 CZ-R
  136. OS 1.20SIII (pumper)
  137. OS 46ax tuning problem
  138. O.S 46LA starting problems
  139. OS FS_1.20SIII will run without high speed needle
  140. O.S. L52 SC Complete Set One-Piece Pipe
  141. Conversion from RC to CL - 25 sizes
  142. How to hide the OS 91 FS Surpass Muffler ?
  143. Parts for a OS 40 FSR
  144. Is this normal?
  145. factory settings, .18tm
  146. 160 FX EXHAUST HEADER
  147. Max .37SZ-H Ring on a Concept
  148. .61 FSR
  149. OS91SX ACRO ??
  150. 18tm running in question
  151. O.S. 12 TZ
  152. instructions for old OS engines
  153. .12 cv os max and a 10L carb
  154. O.S FS-91
  155. OLD OS 70 SURPASS
  156. o.s. 18 cv
  157. OS FS crankcase breather
  158. OS 48 Rebuild Help
  159. OS FS91SII Bearing change trouble
  160. Pig in a poke??
  161. .61 FSR
  162. 61 FSR Rebuild
  163. O S 46FXi dies on takeoff
  164. Header and pipe set for .18 CV-RX (s) rotary carb
  165. 91FS Exhaust outlet pipe
  166. 46AX DOES NOT SOUND GOOD AFTER 10 FLIGHTS? HELP!
  167. OS-120 proper prop?
  168. os 46 needle setting problem
  169. Urgent- which clutch set for a .18CV-RX ?
  170. Extension part of E-4020
  171. FS 40 Surpass air bleed screw?
  172. OS 61 FS rebuild
  173. FS 61 Cam Bearings
  174. FS 61 Timing
  175. OS 18 CVR pull start problem
  176. I can find this part PA-102 pump system
  177. 1.08 Carb sleeve
  178. easy 1.08 question
  179. .12? carb
  180. os 1.6 fx overheating in giles 202
  181. FS-120Surpass II
  182. Need OS 52 FS manual
  183. 91 surpass no exhaust
  184. How do you break in an os 40 Fx
  185. OS 46 AX is it good or not
  186. OS91fx question
  187. Break-in prop for .91 FX
  188. .30 engine mount
  189. Fuel for a BGX?
  190. 1.08 bearing replacement surgery
  191. 46FX---AX help
  192. 140 RX... what glow plug?
  193. OS 120 Surpass I - Pump leak
  194. FS-70II RPM and exhaust questions.
  195. OS FS70 Ultimate
  196. OS 140 RX pipe tuning procedure
  197. OS 140 RX FI
  198. surpass backfire
  199. OS 120AX????!
  200. OS 61 in P-51 ARF
  201. OS.18cv-rx problem
  202. RUT ROH! .18TM gone??
  203. FS 120 w pump
  204. OS.18cv-rx problem
  205. os fs61
  206. OS 160FX FI
  207. OS 46 AX mid-range
  208. OS 200 4-stroke
  209. 2 questions
  210. 2 stroke piston orientation
  211. OS 160 factory settings
  212. OS .12 TZ 3port with HPI roto start?
  213. OS FS-91, bearing replacement.
  214. Weird OS40 LA Problem
  215. os91fourstroke
  216. OS part # 23882900 help
  217. OS 1.20 Surpass W/pump fuel line hookup?
  218. New OS LA 15??
  219. FS 90 trouble
  220. ball bearing replace on fs91p
  221. OS FS 26C II
  222. OS 160 Low Compression
  223. cam timing on OS-91 FS surpass
  224. 46la needle setting
  225. FT-300 Compression
  226. Os 160 muffler
  227. OS 50 bearing,,,
  228. FS 91 SII Head gasket?
  229. OS 70 Ultimate Regulator Issues
  230. OS 50SX weight?
  231. OS 60 FP Idling Problem
  232. FS 120III w/Pump Flooding
  233. How much blow-by is to much?
  234. 61 FX vs 61 SF
  235. OS FS-70 Ultimate and APC 13x7
  236. FS 120 surpass III w/pump
  237. 3D prop for OS 160 FX
  238. OS 1.60 ABL?
  239. FS-40 Surpass FS-40S
  240. os 160 flame out
  241. surpass 3 120 with pump is good for pattern?
  242. 65 la
  243. Are they still in good order ?
  244. Air bubbles in needle valve on OS 1.60FX
  245. Inverted os 1.60 muffler
  246. *OS .91FX Neddle Valve*
  247. OS FS120?
  248. Starter options
  249. OS .21 VZB V-Spec will NOT idle at ALL
  250. NEW MAX-120AX RING !!!

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