View Full Version : O.S. Engines Support



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  1. 55 AX Mid Range
  2. OS FS61 cam bearing removal
  3. OS 21 VG stall after half tank
  4. replacement piston ring for OS MAX 50 SX
  5. OS 91FX Problem
  6. FS-1.20S III
  7. OS 18 cvr won't say running?
  8. OS18TZ-TX crankshaft into 18TM
  9. Bearing replacement OS 1.20FS Surpass
  10. 91 surpass vs 91 surpass pumped
  11. 91 surpass factory mixture setting
  12. O.S. .18 cv-rx
  13. OS 91FX Break-In help
  14. 4 cycle assembly question
  15. FR5-300 Sirius radial being discontinued?
  16. A3 plugs vs the RCAT glow starter
  17. Motor mount for OS 200U
  18. OS Carb
  19. idling screw
  20. Which fuel for both O.S. FX25 & O.S. FS56a
  21. Honing a 46 FX
  22. OS70 backfiring
  23. Minor pitting on piston.
  24. OS 61FX lowspeed Needle valve location?
  25. OS46AX engine
  26. fs91/p adjust...
  27. .46 LA fuel and prop recomandations
  28. fs-91/p breakin problem
  29. Best prop for OS 1.20 AX
  30. O.S. 15 LA Won't Start
  31. FS56a RPM
  32. YS/Saito 20/20 in OS 46FX
  33. parts for 2nd gen. 1.20w/pump
  34. new 37SZ-H Problem
  35. o.s 21 tm tmaxx minifold
  36. Vspec VZB .21 (possible connecting rod dmg?)
  37. OS 61 RF Thrust washer
  38. os .21tm factory settings
  39. 91fx max rpm
  40. Hyper 50 problem??
  41. Rust: pre-existing ??
  42. Trouble With New OS .46AX
  43. OS 91FX can't shut down
  44. OS .61 FSR carburetor
  45. O.S. .50SX Bearings
  46. 18CV-R and 15CV-R
  47. O.S. 4BK Carb Replacement
  48. Engine ID help
  49. os.18cvrx 11j rotoary carb wont start
  50. FP-60 liner
  51. 1.20 FM OS not running
  52. Replacement bearing for OS .30VG-P
  53. O.S. FSa-81 Carb Settings
  54. 15CV-R or AQ .18 more powerfull?
  55. OS .18CV-RX Crankshaft question
  56. OS 61 SF-P, PD-02 pump unit question.
  57. OS FS 91 Break in / running fuel
  58. 25VF and 25VF-DF Crankshaft Specs
  59. OS 1.60 dies in air
  60. OS 300 5 cyl
  61. .21 VZ-B V-SPEC (T)
  62. .30 VG rotostart?
  63. 30 VG "safe" temps...
  64. OS 91 Surpass header
  65. OS FSa 56 problem
  66. Cooling head for .30VG
  67. O.S. 40LA needle valve + airbleed screw setting.
  68. O.S. FS-91 II Surpass w/Pump fuel tank location?
  69. os.18cvrx w/11j rotary carb
  70. os 40la screw help
  71. O.S 1.6fx new ring
  72. .91 FX + Macs Tuned Pipe Questions
  73. OS18TZ standard shaft with rot carb ?
  74. OS 15 FP RPM
  75. "Locked Up": Drive Hub and Woodruff Key
  76. OS 200 4/C question
  77. FSa-56 Inverted mounting
  78. FSa-56 fuel
  79. OS .21RG non pullstart
  80. MOVED: cordless starter
  81. O.S. 55AX Inverted Mount Problems
  82. o.s 55ax
  83. os 70 surpass 2 drive washer
  84. OS VSpec #13895
  85. OS .55 AX Funfly
  86. MOVED: O.S. .81 FS-A
  87. O.S. 160 Sleeve repair Question???????
  88. O.S 52 surpass carb adjustment
  89. Pattern prop for new OS 91FX
  90. FS120 Series II pumped - fuel leak at regulator
  91. .26FS Questions
  92. O.S. 61VR-M Connecting rod
  93. which 3 blade prop for 91fx?
  94. OS 25 FSR Backplate and gasket
  95. OS 46SF P VS 46FX
  96. OS 75AX Pitts style muffler questions
  97. O.S. 21 V-Spec
  98. 91 fx carb replacement
  99. 91FX prop rpm
  100. OS 50SX-H graduation markings ??
  101. Factory slide carb settings for OS Max 12CV
  102. OS 61fx corrosion
  103. problems with .46 FX H SOLVED!
  104. OS 91 FS surpass
  105. OS FT-120 II - ideal rpm
  106. ft160 low compression
  107. OS 1.20 Pumped Motor Mount
  108. Alternate OS break-in procedure?
  109. Correct spec 18TZ-X
  110. Advice on maintenance of OS
  111. OS 15CV-R and 18CV-R take the same header?
  112. Air bleed screw for Max-H 40
  113. 25fx
  114. Ring for old OS50 Max
  115. OS.46 FXI needle valve
  116. Help with An OS.46SF-P
  117. Glo plugs for older OS engines.
  118. 40 LA Question
  119. Fuel line connections on 160 twin?
  120. OS .25 FX
  121. .46 FXi and .46AX
  122. MOVED: Just ordered the os 75 ax
  123. O.S. FS-90 Carb
  124. OS .61 FX break in prop
  125. OS 18tm meter valve problem
  126. AX55 After market muffler
  127. O.S. FS-26S-C II 4-Stroke cam bearings
  128. OS 140 RX rear exhaust gasket
  129. OS 46 AX
  130. os fs 40 surpass 4 stroke engine parts
  131. o.s 21tm
  132. I need the part # for the 10E-R carburetor for my .12 cv-r engine?
  133. Gasket material for OS engines
  134. OS 4 stroke runs best upright or inverted?
  135. FS-91SII Fuel doesn't flow to carb
  136. OS 120 Surpass - Pump or no pump?
  137. TIMING MARKS IL 300?
  138. OS FT-120 Gemini engine
  139. lube for os 2stroke engines
  140. OS-40LA idle problem
  141. .50 SX Low on power
  142. Removing camshaft bearings?
  143. OS91FX+TUNNED PIPE
  144. need help tuning a os max cv-r
  145. OS FS 120 WRIST PIN REMOVAL
  146. How do you remove OS .30 VG rear bearing?
  147. OS .46 support.
  148. OS 91FX Head Gasket Leak?
  149. Os 46ax Muffler problem
  150. 15CVR and 18CVR carbs interchangable?
  151. OS vz-m WONT STAY RUNINNG
  152. do the OS FS engines come with any tools?
  153. O.S. 30 FS Surpass Ringed Engine
  154. intake stack for OS carbs?
  155. OS .30 VG symptoms
  156. High end and low end for .70 Surpass II
  157. OS.91SX-H C SPEC PS- VIPER
  158. OS 21VZ-B V-Spec-T HELP
  159. OS 46 SF ABC
  160. OS 55AX Carb loosening
  161. .12tz carb restrictor/ break in on crt.5
  162. 2 O.S. engines, same problem
  163. OS FT 160 Twin Cam Timing
  164. Problem running .12tz (5)...help pls..
  165. Chart Method to find years of manufacture- Help
  166. The elusive 75AX Ringed engine....
  167. Info on my OS 70 Surpass engine?
  168. OS Max 12TZ Tuned
  169. Breaking in OS 1.20 AX for pusher config
  170. New 4-Stroke What Fuel?
  171. idling speed
  172. Glow plugs burnt out
  173. os
  174. OS 30VG cutting off
  175. o.s 21tm
  176. Sirius collector ring installation problem
  177. What happen to the OS 70 Surpass II
  178. RE: 32sx piston and conrod
  179. RE: 32sx piston and conrod
  180. OS 70 sz-h for airplane use
  181. Max 12TZ(P) T3 Temperature
  182. 46 AX Head shim
  183. .18cv-r cooling head
  184. OS 91 SURPASS
  185. O.S. 1.20 AX Remote Needle Valve ??
  186. .12CV-X Question
  187. Rerouting exhaust on OS 40 FS
  188. .91FX tuned pipe?
  189. Is there an AX on the way between the .75 and 1.20
  190. FS 200
  191. OS-140 EFI Question
  192. 1.60fx
  193. 0.12 TR with 0.12TZ Turbo Head
  194. OS46AXABL
  195. OS 160 Twin
  196. OS MAX 40-H - Worth to restore?
  197. OS FS-120 Two-Cover Valve Lash
  198. FS 120 Supercharged HELP
  199. OS 77 VRDF
  200. What engine to use
  201. just delete this.
  202. os 18tm getting hot
  203. OS 0.12 TR @ 0.15 Turbo Head
  204. 3 blade prop &Tank configuration - FS 91
  205. AX46 Muffler Gasket
  206. pressure tube length
  207. String engine
  208. FS90 Overhaul Help
  209. Fuel for V-spec
  210. Hanno RE 61 replacement
  211. What Pipe for the OS 160
  212. OS 160 Gemini Carb Differences
  213. FT-120 Carb
  214. os 46ax rear bearing
  215. O.S. .70 Surpass Valve Timing
  216. MOVED: how to get CAD model for the OS engines
  217. 160 FX Midrange
  218. NItro MIxture, Timing, and Head Shims
  219. All my engines
  220. OS 50sx
  221. 46FX vs 55AX
  222. discontinued
  223. Duratrax LR3 in 18TZ.
  224. Re: OS 160 Twin 4 Stroke..
  225. OS 18 CVR break-in
  226. os 120 pump ticking noise
  227. .12 tz
  228. SF or FSR ?
  229. os 160 twin tank vent
  230. OS 160 Twin
  231. 25fx and 32sx exhaust port bolt pattern
  232. Inverted OS 91fs
  233. OS 55AX wont stay running
  234. break in the speed.
  235. OS FS 70 Rocker cover question
  236. Is my FX .61 casing toast?
  237. Fuel suggestion for OS engines
  238. leaky 46AX muffler
  239. OS 70 Bearing replacement
  240. O.S .46FXi cuts out ONLY while in the air
  241. O.S. .18 CV-R Starter
  242. V-Spec Speed Starting Problems..
  243. Fuel consumption 70 Surpass vs 46ax
  244. Aerobatic Fuel Tank Set Up
  245. OS 120 FS -E Fuel lines?
  246. O.S. FS-120 III Surpass Pumped
  247. OS 91 fuel inlet question
  248. making sense of horse power
  249. Thrust OS.40 engine
  250. will 7M carb work for the 61SF series engines?

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