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  1. OS 46 LA - broken carburetor part
  2. OS 15 LA Backplate ???
  3. O.S. .37 SZ H Burping Problem.
  4. os .18 cv-rx break-in help
  5. i need help with my o.s. .70 4 cycle
  6. os .18 for a winner sport
  7. .18 cv-rx exhaust question
  8. OS 70 Ultimate backplate
  9. OS .18 crankshaft too long
  10. CZ-R idle problems
  11. Changing an OS .61SF ABC to Ring?
  12. LA 15
  13. os la looses power in flight
  14. BX1 ???
  15. OS 160 twin spinner
  16. Apex Seals for 49-PI Wankel
  17. Fuel tank location for OS 160 twin in 1/4 scale Balsa USA Pup
  18. MOVED: Another broke O.S. .21 v-spec
  19. Another broke O.S. .21 v-spec
  20. How do you adjust low speed OS46SF W/PUMP
  21. Old O.S. SF with new O.S. FX Muffler ???
  22. os 120 3 w/pump
  23. Largest 3 blade prop for OS 1.60FX
  24. OS 108 RPM
  25. OS50SX-bearings
  26. another question
  27. OS Breaking-in procedure
  28. os 120 surpass2
  29. Where can O buy a regulator for my 120 pumped?
  30. O.S. Max 90
  31. OS 18 CV-R and Kwik-Pit Super Start
  32. Converting OS .18CVR-X to non pullstart ?
  33. MOVED: exhaust pipe
  34. need help
  35. exhaust header
  36. An old OS 21
  37. I need parts
  38. o.s.18tm temp?
  39. OS. FX 1.60
  40. 160fx dead stik
  41. How rich is too rich??? Need Help Tuning!!
  42. OX .46 Muffler Baffle
  43. .18 cvr cooling head
  44. OS .30 Fuel
  45. OS 40 Max Muffler
  46. Diference between OS 120 FS and 120 FS with pump?
  47. need help super fast
  48. OS Max .12TR
  49. V-spec Rod ?
  50. 46FX Run Problems
  51. OS 46 SF cylinder head
  52. spray bar 91 surpass
  53. walbro carbs?
  54. fit an Iron Bay feOS 46AX pressure nipple
  55. OS 65 LA rpm problem.Please help...
  56. After Run Oil For OS 75
  57. OS .12 TR
  58. OS 15 CV-R
  59. OS 1.60 FX for WWI plane
  60. O.S. .70 Ultimate 4-Stroke problems
  61. OS 91 FS w/pump: midrange problem.
  62. OS .61FX W/Pump
  63. os 160 ft needle valve/exhaust clearance
  64. OS max .25FP????
  65. .18tm piston question
  66. .18 CV-RX(s) Crank Broke
  67. Breaking in Question
  68. how do I know it's worth getting service ?
  69. MOVED: OS .50 RINGED
  70. Old OS 91 surpass FS needle problem
  71. propeller for os 120 AX
  72. Lean run or failed bearing?
  73. os .18 motor
  74. My .18 TM
  75. 91 fx with a 61 size pitts muffler
  76. clutch help...
  77. OS .61 SX-H No Start
  78. 120 AX, what is CCD technology?
  79. OS 91VDRF Pipes
  80. O.S. 1.60 FX Fuel Line ??
  81. o.s. max cz-r
  82. OS 46 FXi
  83. V-Spec plug ??
  84. FL-70 aerobatic tank setup
  85. OS .12TZ & RC10GT
  86. V-spec rod rubbing backplate
  87. OS 160 FX
  88. OS 32 setting
  89. slimline pitts/o.s. 91 fs 11
  90. OS Fxi Broken carb flange
  91. I want to send 3 engines for service
  92. OS FS 70 Ultimate 4-cycle w/pump
  93. OS ENGINES SUPPORTFOR MY
  94. BROKEN CLUNK "O"RING
  95. OS 91 FX Problem
  96. Injector of OS 140RX-FI
  97. OS 50sx leaky two piece muffler
  98. OS 91 FX muffler problem!
  99. OS 300 twin upgrades available?
  100. O.S MAX FXi 46 settings
  101. FS-91 II vibration problems
  102. 18 TM BUTTON HEAD
  103. os 40 fsr power
  104. 30% nitro
  105. O.S Max 40 FSR - appears to have bent rod?
  106. OS MAX-40LA needle valve
  107. Altitude and engine sizing
  108. OS .18TM on revo. Help with tunning!!!!
  109. Help! - OS FS 91 Full throttle is not Full Speed
  110. .12 CV-R warranty question
  111. 50 sx backplate
  112. 46 FX-H carb
  113. O.S. Limited FS Line of Engines
  114. MOVED: engine question . . .
  115. CV-RX .18
  116. OS Max 40 H
  117. OS RG .21 Idle ?
  118. H60FGR
  119. break in for OS1.08 FSR
  120. PROBLEM WITH NEW 1.20AX
  121. Removing Gum From Cylinder
  122. 18 tm revo piston rod spacer
  123. OS FS40 old four-stroke
  124. OS MAX FXi 46 not starting
  125. OS 70 FS Bearing ?
  126. OS 91FX 2 Stroke
  127. Pump for 46VXDF
  128. .12 tz break in
  129. OS fs-91 surpass running problems
  130. Brand New OS 46AX Grinding
  131. Prop Recommendation for an FS-120S-E/GP PT-17?
  132. os max 40 fp
  133. FT-120 questions.
  134. *Prop For The New OS MAX 120AX*
  135. OS 28F
  136. Front bearing question?
  137. OS 140 RX ... after run?
  138. OS MAX 46FXi Carb woes
  139. OS 50-SX and APC 14x4W?
  140. Ft-160 - How Many Versions?
  141. OS 50SX PART QUESTION
  142. MOVED: 15mm ID O-ring Adapter
  143. OS160FX FI problems
  144. os 4B carb factory idle mixture settings
  145. OS 91 FX inverted mounted problems
  146. spec sheet on .12tz
  147. OS 50 FSR questions
  148. OS48 Surpass Help
  149. YS20/20 Fuel in O.S.1.40RX?
  150. 91SII fuel leak
  151. fuel spitting out of carby - OS91 FS II Surpass
  152. .20 fp leaky
  153. Repowering
  154. OS 70 surpass II with pump, erratic running
  155. OS Max .61 SF (Ringed)
  156. CP 20% heli on OS 50 SX and OS 46 AX
  157. two needle carb from the new OS 160 twin fint the old 160 gemini twin with air bleed carb?
  158. In a revo
  159. Old O.S 48 FS
  160. Throttle on O.S. FS-70 II Surpass
  161. temp
  162. OS 46AX bearing question
  163. OS .12 TZ w/sidewinder 16% fuel
  164. MOVED: Old OS Max-H 60
  165. OS MAX-H 40
  166. os91 4t w/p surpass - fuel regulator problem
  167. Bax, what's the word on the OS 200 4-cycle?
  168. .12 CZ-R
  169. OS 1.20SIII (pumper)
  170. OS 46ax tuning problem
  171. O.S 46LA starting problems
  172. OS FS_1.20SIII will run without high speed needle
  173. O.S. L52 SC Complete Set One-Piece Pipe
  174. Conversion from RC to CL - 25 sizes
  175. How to hide the OS 91 FS Surpass Muffler ?
  176. Parts for a OS 40 FSR
  177. Is this normal?
  178. factory settings, .18tm
  179. 160 FX EXHAUST HEADER
  180. Max .37SZ-H Ring on a Concept
  181. .61 FSR
  182. OS91SX ACRO ??
  183. 18tm running in question
  184. O.S. 12 TZ
  185. instructions for old OS engines
  186. .12 cv os max and a 10L carb
  187. O.S FS-91
  188. OLD OS 70 SURPASS
  189. o.s. 18 cv
  190. OS FS crankcase breather
  191. OS 48 Rebuild Help
  192. OS FS91SII Bearing change trouble
  193. Pig in a poke??
  194. .61 FSR
  195. 61 FSR Rebuild
  196. O S 46FXi dies on takeoff
  197. Header and pipe set for .18 CV-RX (s) rotary carb
  198. 91FS Exhaust outlet pipe
  199. 46AX DOES NOT SOUND GOOD AFTER 10 FLIGHTS? HELP!
  200. OS-120 proper prop?
  201. os 46 needle setting problem
  202. Urgent- which clutch set for a .18CV-RX ?
  203. Extension part of E-4020
  204. FS 40 Surpass air bleed screw?
  205. OS 61 FS rebuild
  206. FS 61 Cam Bearings
  207. FS 61 Timing
  208. OS 18 CVR pull start problem
  209. I can find this part PA-102 pump system
  210. 1.08 Carb sleeve
  211. easy 1.08 question
  212. .12? carb
  213. os 1.6 fx overheating in giles 202
  214. FS-120Surpass II
  215. Need OS 52 FS manual
  216. 91 surpass no exhaust
  217. How do you break in an os 40 Fx
  218. OS 46 AX is it good or not
  219. OS91fx question
  220. Break-in prop for .91 FX
  221. .30 engine mount
  222. Fuel for a BGX?
  223. 1.08 bearing replacement surgery
  224. 46FX---AX help
  225. 140 RX... what glow plug?
  226. OS 120 Surpass I - Pump leak
  227. FS-70II RPM and exhaust questions.
  228. OS FS70 Ultimate
  229. OS 140 RX pipe tuning procedure
  230. OS 140 RX FI
  231. surpass backfire
  232. OS 120AX????!
  233. OS 61 in P-51 ARF
  234. OS.18cv-rx problem
  235. RUT ROH! .18TM gone??
  236. FS 120 w pump
  237. OS.18cv-rx problem
  238. os fs61
  239. OS 160FX FI
  240. OS 46 AX mid-range
  241. OS 200 4-stroke
  242. 2 questions
  243. 2 stroke piston orientation
  244. OS 160 factory settings
  245. OS .12 TZ 3port with HPI roto start?
  246. OS FS-91, bearing replacement.
  247. Weird OS40 LA Problem
  248. os91fourstroke
  249. OS part # 23882900 help
  250. OS 1.20 Surpass W/pump fuel line hookup?