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