View Full Version : O.S. Engines Support



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

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