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