View Full Version : O.S. Engines Support



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  1. OS .46 SF-P : what is this engine?
  2. 1983 FS-90 advise
  3. os70 surpass
  4. OS Engines
  5. OS BGX-1 Tuning
  6. what glow plug with 30% Nitro & 46FX?
  7. Typical OS 91 FX RPM Range
  8. OS 40 LA Carb Settings
  9. OS 160 FX
  10. After run oil?
  11. OS 52 Surpass won't idle w/o glow-plug
  12. I need parts for my Ft-120
  13. ALTERNATIVE SOLUTION OF 46SX-PISTON SLEEVE
  14. 91 FX bearing question
  15. Trouble starting/idling O.S. .15 CV-X
  16. New OS 70 FS power vs. LA .65
  17. Sensitive needle adjustment.
  18. MOVED: OS FS70 full throttle problem
  19. Damaged OS 91 Surpass w/ Pump
  20. FS70 Surpass 2 muffler question
  21. Which prop for 91FX pulling 8.5 lbs Extra?
  22. 1.6FX carb alternative
  23. OS- .50sx Surging at full thottle? Help!!
  24. OS 61 MAX RF and Hatori 650 pipe
  25. OS 45 FSR ABC Bearings
  26. MOVED: OS Radial
  27. Head Shims
  28. OS 61 FX / Mac Tune Pipe and header
  29. OS .46 FX Break-in
  30. Oilly mess or normal.
  31. OS 120 III pumped
  32. OS .46AX in Funtan S 40
  33. 40/46 LA Parts Pack
  34. regulator leak - FS 91 Surpass with pump
  35. 40/46 LA Carb
  36. Needle Valve for OS 120 Surpass I
  37. Supercharged OS FS 120 SP
  38. FUEL PUMP FOR O.S. BGX-1
  39. Need help tuning my OS61RF-P
  40. OS 7D carb
  41. 52 Surpass with Perry VP30 Pump
  42. Pressure nipple thread size
  43. Bearing replacement 0S 120
  44. FS 70 Ultimate won't run
  45. 91 SX-H & 91 FX rear bearing
  46. .46 FX won't stop running
  47. os .61vrm and cmb .90 tuned pipe
  48. Old Engine Instructions
  49. OS .61 SF (Ring)
  50. OS 1.6 FX W/PERRY PUMP(REGULATED)
  51. OS 61FX
  52. OS 70 - looks fine, won't start
  53. OS FT-300
  54. 0S.46 max in nexstar
  55. 1.60FX on FAI fuel
  56. OS-140RX-FI adjustments...
  57. 1.4 vs. 1.6
  58. cylinder liner not fitting
  59. 91 FS surpass
  60. % Oil suitable for OS
  61. 46 SF shuts off
  62. OS 1.20 with pump
  63. help to find parts
  64. OS 120FS III Breaking In?
  65. FS .52 reverse rotation
  66. OS 91 FX idle question
  67. OS .50-SX Air Bubbles Remote Needle????
  68. New engine
  69. Parts for O.S. .21EX
  70. 91 fx
  71. OS 7M carb
  72. my O.S RG .21 max will NOT Run
  73. 40FP/40LA carb swap?
  74. OS .52 four stroke over prop
  75. os .21 rg
  76. Kyosho mount for OS engine question
  77. OS BGX-1 Stock Muffler Question
  78. OS 120 FS with pump
  79. OS 300 twin problems
  80. Piston Corrosion???
  81. 50SX RPM ?
  82. breaking in a .12 cv-x
  83. FS-91S II vs. FS-91S II FI where's the benefit?
  84. 52 FS Surpass
  85. OS 120FS Surpass Type II
  86. osfs120 sc
  87. OS 61 VRM Specs and Info Please
  88. How to remove FS-120 piston
  89. 40 FP NEEDLE VALVE ASSEMBLY?
  90. 120 pump , is clogged, how do I cleaned?
  91. 2-needle carb for FS-26-C
  92. 61RF-P ABC Running in problems
  93. OS FS-70 Ultimate Idle Problems
  94. OS .61 FX problem
  95. OS 140 RX/FI starting problem
  96. OS FS-70 Ultimate Idle Problems
  97. OS 40 FP
  98. OS 70 Ultimate, Variance
  99. 46 SF Needle
  100. Another FS-26 question
  101. OS 1.60FX Muffler Problem
  102. Oils
  103. fan unit
  104. old engine
  105. 46SF lacking power
  106. Muffler swap? OS .91 surpass/ 1.20 surpass
  107. replacement o-ring help
  108. OS 70 Ultimate Running in
  109. 46 LA
  110. Replacing the stock muffler with a copper pipe
  111. Difference between FS-120 III, FS-120 II and the FS-120 Surpass? confused?
  112. 46 FX Runtime
  113. OS50SX Surging
  114. Exhaust options for the FS-26C
  115. os no7 glow plug
  116. OS FS-70 Ultimate Bubbles in fuel line
  117. OS 50SX Glo Plug Issue ?
  118. O.S. 91FSII bearings
  119. OS LA .46 CARB
  120. vz tuning chasing
  121. 25 LA factory air bleed setting
  122. 91 or 1.08 , Thats the question?
  123. O.S. 1.08 Problem
  124. O.S. Max glow plug
  125. FS 70 Surpass (not Surpass II)
  126. OS 1.20 surpass III w/pump fuel tank
  127. OS .21 RZ-V01b
  128. OS 120 Surpass-E exhaust header
  129. 21RG Temps
  130. FS-26c 4-stroke first start
  131. 120 Surpass
  132. 0s 140rx parts
  133. 91 FX Super Muffler E-4030 Baffle
  134. OS91 surpassII
  135. 4-stroke buggy motors
  136. Older O.S. 91 FSR
  137. OS 1.60 FX - engine stoppages
  138. OS Rotary
  139. OS .40 looses power...
  140. OS 300 Twin Prop/RPM
  141. 46FX Crankcase Leak
  142. OS 120 Surpass-E
  143. O.S. FS-120S-SP
  144. C-13 Carb Setup
  145. OS bgx on no nitro?
  146. OS120 Pumped Quiting
  147. FS .26 4 stroke carb question
  148. New OS32 sx-H engine frozen stiff
  149. OS 1.40 rear bearing rust
  150. os max question
  151. Needle valve (interchangeability)
  152. Help! OS 70 Surpass - No Power
  153. OS 91fs prop
  154. Need help - OS FS 70 Ultimate
  155. OS 5b carburetor screw
  156. OS 140 RX
  157. Prop for OS160
  158. os 90 max muffler
  159. OS MAX .40 SF Two Stroke
  160. Perry Pump on FX 160
  161. loss power
  162. OS .91 4 stroke pumped or not?
  163. OS40FS
  164. OS FS-40 valve gap
  165. OS Max-H .80
  166. Old OS120FS
  167. OS 91 FX
  168. OS 32 SXH crankshaft not spinning freely
  169. FS .26 4 stroke reassembly help needed
  170. Air Filter for O.S. FS-120 III Surpass w/Pump
  171. Need info for old fs-90
  172. klotz oil additive amount question
  173. FS-40 Surpass part numbers
  174. O.S. Surpass 1.20
  175. os 160 twin
  176. os 91 fx muffler
  177. Spare Parts for OS
  178. What temp is too hot? OS 70 H in Raptor 60
  179. OS .46AX Warranty Question
  180. help please...
  181. O.S. FS-70 II Surpass starts backwards?
  182. OS40 FS
  183. 502 Tuned pipe system..
  184. OS 90 FS - inverted tuning issues
  185. OS 32 Heli - Con-rod
  186. OS 1.60 Fat in the Middle????
  187. OS 12 CV-RX wont turn
  188. OS Max FS-70 Surpass help needed
  189. Instruction Manual for OS Max H60GP
  190. Wankel PI questions
  191. 61SF
  192. Idle problem
  193. os46fx quits running
  194. OS FT120 II disassembly
  195. .46FX reassembly help
  196. OS70FS clicking
  197. OS50SXH
  198. O.S. FS 120SIII help!!!
  199. 12 TR (P) T max allowable Temp
  200. 'running in' for a .91 VRDF
  201. please help my OS.61 max fx
  202. OS50SXH difficulty tuning
  203. OS50SX Performance Delta
  204. fx25 piston and liner replacement
  205. os max 90 four stroke
  206. OS FS-120S-E Won't Run
  207. Low RPM out of OS Max FP .25
  208. O.S. .61 MAX FSR Engine help
  209. O.S 1.20FSIIIP+mount
  210. OS 91FX remote needle
  211. OS .46 carb problem
  212. NEED Regulator Cover of #70C carb body
  213. O.S 502 pipe system...
  214. O.S. 70 Ultimate Problem - Fuel leak
  215. os fs.70s surpass II prop
  216. OS 120 FT
  217. O.S. FS-120 manual
  218. OS 50 SX quitting
  219. OS 120 FSIII power down
  220. Headers for OS 120 III pumped
  221. OS 1.08 need a new ring and liner
  222. OS Cylinder Peeling
  223. Info On OS 52 FS
  224. OS 70 Ultimate RPM Figures
  225. How to remove cylinder lining in OS ABC-engine?
  226. OS 160 FT outline drawing and dimensions ?
  227. OS .46 Fx sleeve problems
  228. 0S FS 120 SURPASS PUMP DIAPHRAM
  229. OS 1.40 'popping' at idle
  230. OS 70 Ultimate problems
  231. OS Max .21 VZ-B (P) rear exhaust engine
  232. One way bearing prob
  233. will it fit?????????? plz hlp
  234. OS make Chrome sleeve?
  235. which muffler??
  236. os 91 vr df
  237. Carb Parts for 91 4 stroke.
  238. OS 70Surpass - starting problem
  239. OS 1.40 eating glow plugs
  240. OS 120 FT
  241. OS Engine Comparison
  242. OS 45 FSR Part
  243. Reassembly procedure. OS Gemini 120 & 160
  244. Glow Plugs for OS .25 FX
  245. os 50 sx max rpm 11000
  246. Where to find needle valve assembly for older FS 70 Surpass
  247. os91 engine
  248. 1.40 cold starting?
  249. OS 91 FX break in and props?
  250. OS50SX...Very Strange problem!!!

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