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  1. FS 120 Surpass
  2. OS 91FX High Speed Needle Not Responsive
  3. O.S. 18CV-RX nitro and oil content
  4. OS .21 VZ-B V-Spec-T Break-In Questions
  5. Fuel for 1.60 FX
  6. O.S. .50F SR
  7. os engine for revo racing
  8. Re: Differences in the .61SF & .61SF-H
  9. Idle Stop screw
  10. 1.60 rear crankshaft bearing
  11. What modern OS 4-stroke engine has the same power as the OS H60F from the 1970s?
  12. OS 160 FX Mid-range tuning
  13. Inverted OS 70 Surpass II run problems
  14. Engine accessories
  15. Crankcase breather
  16. 91FX break in
  17. Long term storage 91FX
  18. Why did OS stop making hot 2 strokes?
  19. lack of engine compression
  20. OS FS-91SII-P Extreme Vibration
  21. OS .46LA carburator issue
  22. OS120AX
  23. OS 70 FS II Exhaust Header
  24. What's the difference between 120 Surpass (I), II and III?
  25. OS FS 120E Pressure question
  26. crank bearing removal and install
  27. 46SF ringed starving for fuel
  28. Need specifications for O.S Max FT-120 Twin Gemini ll
  29. Fuel for Surpass 70
  30. O.S 70 SURPASS prop question
  31. 50sx/50sxh bearing failures
  32. OS 0.25 FP engine running problems
  33. need book on 120 fs
  34. "effective adjstment range" for low speed needle
  35. *OS 120AX Sounds Rough*
  36. macs tuned pipe for os 61 fx
  37. V-spec piston skirt
  38. OS 91FX old engine
  39. OS 46FX Help
  40. Valve lash tool for FS-70 II?
  41. fs120 super charger.........need help
  42. OS 91 FS Surpass pumped
  43. ill,
  44. os max 120
  45. MOVED: Carbon Prop for 160FX
  46. Purpose of mixture screw on FS-70S II
  47. Throttle arm
  48. OS35 Parts
  49. VG 30 + 2060SC STRANGE ??? HELP
  50. SF 61 w/pump, help needed
  51. OS FS 61 disassembly question
  52. o.s 1.20 surpass fuel tank
  53. MOVED: one way bearing issue
  54. 1.60 FX
  55. .21 WM Flex Shaft Problems
  56. pulling out piston/piston rod/piston shaft
  57. Help fixing seized fly wheel or piston
  58. OS 160 ring
  59. os 46 low end problem
  60. max distance from tank to engine for OS61FX
  61. OS 50 sx two-stroke problem
  62. Resetting Mixture Screw on FS-70S II
  63. Easy 160FX Muffler question.
  64. OS Glow plugs-mechanical failure
  65. vspec shim or no shim
  66. OS .12 CV-X
  67. Looking for some manuals 45 FSR, 40 FP and FS 40
  68. OS 46 Sputtering
  69. OS .91 fx pitts stype muffler
  70. OS 70 Ultimate probs
  71. OS .18 cv-rx extremely fast idle at startup
  72. 0.S. Engine (help me)
  73. OS max 61 VR
  74. O.S. AA twist-lock glow ignitor problem!
  75. Vspec tuning
  76. looking for prop help
  77. OS FP .10 Piston orientation
  78. Can I convert my .15 CV-X recoil to electric start
  79. I need help with my engine
  80. OS .61 FSr ringed 7m carb
  81. v-spec carb
  82. OS 46 LA idle
  83. 160FX midrange
  84. pic of my revo
  85. 18tm eb mod and 18tm stock
  86. I need an O.S. engine!
  87. AX46 tuning problem,,
  88. CV-X noise
  89. 12 tz(5p) temperature
  90. .12 CZ-R
  91. .91 surpass pumped
  92. OS 91FX or OS 91 Surpass w/ pump?
  93. O.S. 160FX-FI set-up problems
  94. O.S. 91 Surpass valve spring replacement
  95. OS 120 Surpass III pumped
  96. How to replace needle valve
  97. OS 20 FP Muffler needed
  98. Replacement needle valve needed for original OS FT 120 Gemini
  99. OS 50 max
  100. O.S. 18 TM?
  101. OS 46 FX.... muffler extension
  102. OS FS 91 Surpass drowning
  103. Bearing replacement procedure for OS 1.40 RX
  104. OS 120 Gemenii Engine
  105. OS 70 Surpass II spinner nut...
  106. O.S. Engine Lost Compression...
  107. os91 4t regulator leak while runing
  108. OS 1.60 Compression Issue
  109. OS.50SX-H best fuel for this motor?
  110. Leaky 18tm on my REVO normal??
  111. piston ring
  112. OS .18TM Clutch Bell Install
  113. FT 160 Carb.
  114. OS .46 AX 'afraid to fly'
  115. O.S Max 60sr need specs.
  116. Losing cylinder on OS FT 160
  117. bx1 108
  118. old os .90 fs
  119. Can I use this in a airplane O.S. .91SZ-H
  120. os 18 cv-rx normal wear???
  121. OS .46FX Nose Dive Into Ground
  122. pls help(.18tz)
  123. .18 os tm heating too quickly HELP!
  124. OS VZ-B VSPEC Questions
  125. O.S. FL 70 2-vent setup
  126. aluminum spinner for O.S.50SX
  127. MOVED: OS 160FX
  128. *OS 120AX 2 Stroke*
  129. 91 FX overheating at idle
  130. 120 lll w/Pump Starting Prob
  131. 20% for the .61??
  132. 1.60 pitts muff
  133. OS FS91 II RPM PROBLEM
  134. OS 120 Exhaust Routing
  135. OS FL 70 info?
  136. General FT 160 question/s
  137. OS 140RX fuel tubing
  138. Quality
  139. 46AX Optimal Prop
  140. Prop for 1.08
  141. Engine Mount Help
  142. What the news on the 2.0 EF1 Akiba's been using?
  143. FS 120 Surpass
  144. FS-91 Surpass 35900
  145. running without nitro
  146. OS .21 VZB Rebuild problems
  147. OS 91 Surpass
  148. OS.46-LA - Putting it back together...
  149. Rich Runnig .91 fx
  150. OS 61 FX
  151. 60 C Carb on 65 LA
  152. scoring on piston
  153. O.S .50sx
  154. O S 65 LA ldle
  155. 46FX rear bearing won't come out
  156. Replacement screws w/ hex head
  157. 91 FX backplate New Design??
  158. Strange noise coming from 1.60 FX
  159. FX 160 RPM
  160. O.S. .18cv-r average running temps
  161. How do I get connecting rod off OS 50SX?
  162. Exhaust port diameter
  163. OS 70 4-Stroke Low Power/Compression ???
  164. FS 91 S11 Header
  165. break-in mixture setting
  166. OS 160 FX
  167. Thread size of exhaust port on OS 91
  168. tower 75 parts and problems.
  169. Is Wildcat 15% good for the .18cv-rx
  170. os max 21rf-b
  171. O.S. .18 TM for Jato
  172. Change bearings in OS FT-160 Gemini
  173. o.s. 1.60 four stroke
  174. max rz v01b ?
  175. O.S. Hub Size
  176. O.S .18 CV-RX help
  177. 2BK issues
  178. O.S 50 Hyper heli engine in a plane
  179. Surpass 91
  180. 46AX slow trasition
  181. 120 Surpass III break in
  182. V-one S & Max - 12TZ
  183. .12CZ-RX rust on crank(and other issues) pictures
  184. os .18 carb adjustment help!!!!!!
  185. .12CZ-RX rust on crank (and other issues)
  186. Peak RPM OS120 III pumped
  187. OS 48 4-stroke
  188. 46LA
  189. Reposition main needle assembly
  190. Aquacraft .15 marine engine.
  191. changing idle screw O-ring ???
  192. 120AX Prop
  193. OS BGX 3500
  194. FL-70 Problems
  195. prop help
  196. O.S. FS-70 Exhaust Options
  197. OS .25 FX problems
  198. 91 FX gasket
  199. O.S engines
  200. HELP!! OS .18TM won't stay running
  201. 3 blade prop size for .91 surpass I ?
  202. 120 Surpass Rebuild
  203. Turning OS 70 Surpass carb.
  204. 40fp stutter??
  205. Carb mounting screws for a 46 AX
  206. Will 46SF carb and backplate work on a 46FX?
  207. OS 91 FS SURPASS FUEL?
  208. os engine starter???
  209. OS 120 series 2 pumped
  210. FS 40S-CX instructions
  211. FS-61
  212. Vspec HELP
  213. valve timing O.S. 52 Surpass
  214. 91 surpass repair
  215. Hot setup for the 120 Superchaged engine
  216. os 12 quistion
  217. 46ax tach reading on 30% nitro
  218. Traxxas TRX 2.5R
  219. OS .91 FX Reputation
  220. OS .18TM in a HPI R40??? Please ASAP
  221. O.S. Max 40FP pdf's available?
  222. OS 1.60FX, Enough Power?
  223. O.S .18cv-rx Won't start after tune..
  224. Surpass II pumped running problem
  225. OS 18 cv-r exhaust Question
  226. wont idle
  227. OS 61FX - Needle Valve Assem/Move
  228. Japanese Industrial Standard Screws
  229. Is the engine dead?
  230. Cam Timing
  231. os 91fsII-p trouble
  232. os .18 tm question...
  233. Info on .91FX
  234. Trouble with O.S. Max 30-VG(P)
  235. Where can I buy m.+m2.6x7 screws?
  236. os .12 TR
  237. Greetings Bax, I've got a brand new OS 52 that I've installed inverted in my plane.
  238. Suggested RPM for an OS FS52 ?
  239. Piston Replacement on 1.60 FX
  240. Should I send my engine for Warranty??
  241. MOVED: os 1.08 or .91 card for ASP 1.08?????
  242. 46ax break in prop?
  243. OS 61 SF Pump
  244. OS 37SZ-H-RING RUNNING PROBLEMS
  245. OK to use 46SF 4D carb on new 46AX?
  246. OK to use 46SF 4D carb on 46AX?
  247. 120AX woes
  248. mount for BGX-1-3500
  249. OS 61 FX Needle setting
  250. OS 46 LA - broken carburetor part