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