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  1. OS 120 FS Series
  2. New engine
  3. .18CV-RX
  4. O.S. 120 Type I Surpass w/pump Questions
  5. Leaking Afterrun Oil
  6. OS50 SX LOSS OF POWER
  7. Question on Post-crash Maintenance
  8. tank mounting on 91fx
  9. Timing an OS 91FS Surpass
  10. OS .91 Head Bolts
  11. OS 140RX
  12. OS FS 70 needle valve.
  13. 91FX Problems
  14. What size prop for a 46 FX
  15. FS-91sII-P
  16. Pressure Fitting for OS 1.6 FX
  17. O.S 120 SP
  18. 15 cv-x hyper, difficult to turn over
  19. OS .46 SF-P : what is this engine?
  20. 1983 FS-90 advise
  21. os70 surpass
  22. OS Engines
  23. OS BGX-1 Tuning
  24. what glow plug with 30% Nitro & 46FX?
  25. Typical OS 91 FX RPM Range
  26. OS 40 LA Carb Settings
  27. OS 160 FX
  28. After run oil?
  29. OS 52 Surpass won't idle w/o glow-plug
  30. I need parts for my Ft-120
  31. ALTERNATIVE SOLUTION OF 46SX-PISTON SLEEVE
  32. 91 FX bearing question
  33. Trouble starting/idling O.S. .15 CV-X
  34. New OS 70 FS power vs. LA .65
  35. Sensitive needle adjustment.
  36. MOVED: OS FS70 full throttle problem
  37. Damaged OS 91 Surpass w/ Pump
  38. FS70 Surpass 2 muffler question
  39. Which prop for 91FX pulling 8.5 lbs Extra?
  40. 1.6FX carb alternative
  41. OS- .50sx Surging at full thottle? Help!!
  42. OS 61 MAX RF and Hatori 650 pipe
  43. OS 45 FSR ABC Bearings
  44. MOVED: OS Radial
  45. Head Shims
  46. OS 61 FX / Mac Tune Pipe and header
  47. OS .46 FX Break-in
  48. Oilly mess or normal.
  49. OS 120 III pumped
  50. OS .46AX in Funtan S 40
  51. 40/46 LA Parts Pack
  52. regulator leak - FS 91 Surpass with pump
  53. 40/46 LA Carb
  54. Needle Valve for OS 120 Surpass I
  55. Supercharged OS FS 120 SP
  56. FUEL PUMP FOR O.S. BGX-1
  57. Need help tuning my OS61RF-P
  58. OS 7D carb
  59. 52 Surpass with Perry VP30 Pump
  60. Pressure nipple thread size
  61. Bearing replacement 0S 120
  62. FS 70 Ultimate won't run
  63. 91 SX-H & 91 FX rear bearing
  64. .46 FX won't stop running
  65. os .61vrm and cmb .90 tuned pipe
  66. Old Engine Instructions
  67. OS .61 SF (Ring)
  68. OS 1.6 FX W/PERRY PUMP(REGULATED)
  69. OS 61FX
  70. OS 70 - looks fine, won't start
  71. OS FT-300
  72. 0S.46 max in nexstar
  73. 1.60FX on FAI fuel
  74. OS-140RX-FI adjustments...
  75. 1.4 vs. 1.6
  76. cylinder liner not fitting
  77. 91 FS surpass
  78. % Oil suitable for OS
  79. 46 SF shuts off
  80. OS 1.20 with pump
  81. help to find parts
  82. OS 120FS III Breaking In?
  83. FS .52 reverse rotation
  84. OS 91 FX idle question
  85. OS .50-SX Air Bubbles Remote Needle????
  86. New engine
  87. Parts for O.S. .21EX
  88. 91 fx
  89. OS 7M carb
  90. my O.S RG .21 max will NOT Run
  91. 40FP/40LA carb swap?
  92. OS .52 four stroke over prop
  93. os .21 rg
  94. Kyosho mount for OS engine question
  95. OS BGX-1 Stock Muffler Question
  96. OS 120 FS with pump
  97. OS 300 twin problems
  98. Piston Corrosion???
  99. 50SX RPM ?
  100. breaking in a .12 cv-x
  101. FS-91S II vs. FS-91S II FI where's the benefit?
  102. 52 FS Surpass
  103. OS 120FS Surpass Type II
  104. osfs120 sc
  105. OS 61 VRM Specs and Info Please
  106. How to remove FS-120 piston
  107. 40 FP NEEDLE VALVE ASSEMBLY?
  108. 120 pump , is clogged, how do I cleaned?
  109. 2-needle carb for FS-26-C
  110. 61RF-P ABC Running in problems
  111. OS FS-70 Ultimate Idle Problems
  112. OS .61 FX problem
  113. OS 140 RX/FI starting problem
  114. OS FS-70 Ultimate Idle Problems
  115. OS 40 FP
  116. OS 70 Ultimate, Variance
  117. 46 SF Needle
  118. Another FS-26 question
  119. OS 1.60FX Muffler Problem
  120. Oils
  121. fan unit
  122. old engine
  123. 46SF lacking power
  124. Muffler swap? OS .91 surpass/ 1.20 surpass
  125. replacement o-ring help
  126. OS 70 Ultimate Running in
  127. 46 LA
  128. Replacing the stock muffler with a copper pipe
  129. Difference between FS-120 III, FS-120 II and the FS-120 Surpass? confused?
  130. 46 FX Runtime
  131. OS50SX Surging
  132. Exhaust options for the FS-26C
  133. os no7 glow plug
  134. OS FS-70 Ultimate Bubbles in fuel line
  135. OS 50SX Glo Plug Issue ?
  136. O.S. 91FSII bearings
  137. OS LA .46 CARB
  138. vz tuning chasing
  139. 25 LA factory air bleed setting
  140. 91 or 1.08 , Thats the question?
  141. O.S. 1.08 Problem
  142. O.S. Max glow plug
  143. FS 70 Surpass (not Surpass II)
  144. OS 1.20 surpass III w/pump fuel tank
  145. OS .21 RZ-V01b
  146. OS 120 Surpass-E exhaust header
  147. 21RG Temps
  148. FS-26c 4-stroke first start
  149. 120 Surpass
  150. 0s 140rx parts
  151. 91 FX Super Muffler E-4030 Baffle
  152. OS91 surpassII
  153. 4-stroke buggy motors
  154. Older O.S. 91 FSR
  155. OS 1.60 FX - engine stoppages
  156. OS Rotary
  157. OS .40 looses power...
  158. OS 300 Twin Prop/RPM
  159. 46FX Crankcase Leak
  160. OS 120 Surpass-E
  161. O.S. FS-120S-SP
  162. C-13 Carb Setup
  163. OS bgx on no nitro?
  164. OS120 Pumped Quiting
  165. FS .26 4 stroke carb question
  166. New OS32 sx-H engine frozen stiff
  167. OS 1.40 rear bearing rust
  168. os max question
  169. Needle valve (interchangeability)
  170. Help! OS 70 Surpass - No Power
  171. OS 91fs prop
  172. Need help - OS FS 70 Ultimate
  173. OS 5b carburetor screw
  174. OS 140 RX
  175. Prop for OS160
  176. os 90 max muffler
  177. OS MAX .40 SF Two Stroke
  178. Perry Pump on FX 160
  179. loss power
  180. OS .91 4 stroke pumped or not?
  181. OS40FS
  182. OS FS-40 valve gap
  183. OS Max-H .80
  184. Old OS120FS
  185. OS 91 FX
  186. OS 32 SXH crankshaft not spinning freely
  187. FS .26 4 stroke reassembly help needed
  188. Air Filter for O.S. FS-120 III Surpass w/Pump
  189. Need info for old fs-90
  190. klotz oil additive amount question
  191. FS-40 Surpass part numbers
  192. O.S. Surpass 1.20
  193. os 160 twin
  194. os 91 fx muffler
  195. Spare Parts for OS
  196. What temp is too hot? OS 70 H in Raptor 60
  197. OS .46AX Warranty Question
  198. help please...
  199. O.S. FS-70 II Surpass starts backwards?
  200. OS40 FS
  201. 502 Tuned pipe system..
  202. OS 90 FS - inverted tuning issues
  203. OS 32 Heli - Con-rod
  204. OS 1.60 Fat in the Middle????
  205. OS 12 CV-RX wont turn
  206. OS Max FS-70 Surpass help needed
  207. Instruction Manual for OS Max H60GP
  208. Wankel PI questions
  209. 61SF
  210. Idle problem
  211. os46fx quits running
  212. OS FT120 II disassembly
  213. .46FX reassembly help
  214. OS70FS clicking
  215. OS50SXH
  216. O.S. FS 120SIII help!!!
  217. 12 TR (P) T max allowable Temp
  218. 'running in' for a .91 VRDF
  219. please help my OS.61 max fx
  220. OS50SXH difficulty tuning
  221. OS50SX Performance Delta
  222. fx25 piston and liner replacement
  223. os max 90 four stroke
  224. OS FS-120S-E Won't Run
  225. Low RPM out of OS Max FP .25
  226. O.S. .61 MAX FSR Engine help
  227. O.S 1.20FSIIIP+mount
  228. OS 91FX remote needle
  229. OS .46 carb problem
  230. NEED Regulator Cover of #70C carb body
  231. O.S 502 pipe system...
  232. O.S. 70 Ultimate Problem - Fuel leak
  233. os fs.70s surpass II prop
  234. OS 120 FT
  235. O.S. FS-120 manual
  236. OS 50 SX quitting
  237. OS 120 FSIII power down
  238. Headers for OS 120 III pumped
  239. OS 1.08 need a new ring and liner
  240. OS Cylinder Peeling
  241. Info On OS 52 FS
  242. OS 70 Ultimate RPM Figures
  243. How to remove cylinder lining in OS ABC-engine?
  244. OS 160 FT outline drawing and dimensions ?
  245. OS .46 Fx sleeve problems
  246. 0S FS 120 SURPASS PUMP DIAPHRAM
  247. OS 1.40 'popping' at idle
  248. OS 70 Ultimate problems
  249. OS Max .21 VZ-B (P) rear exhaust engine
  250. One way bearing prob