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

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