View Full Version : O.S. Engines Support



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  1. Muffler Compatibility - 25FP vs 25LA
  2. OS46VXDF
  3. I saw the OS .75 AX ringed engine
  4. OS Surpass II with a Pump
  5. Connecting rod
  6. model weight for 91FX
  7. FP40 feels strange when crank turned
  8. MOVED: New OS FSa-56 4 stroke
  9. OS 300 Twin
  10. Are O.S. Engine parts made in China?
  11. 91 surpass needle settings needed
  12. Os fs 40cx car
  13. os 120 ax prop and fuel recommendations
  14. dtx 18 and os 15 cv
  15. OS55 prop reccomendations
  16. O.S. 70 Surpass valve adjustment??
  17. How about a Factory Support Forum for GMS engines?
  18. OS 46 AX...Runs with needle valve closed !
  19. OS 50 Hyper Help?????
  20. os fs 52s
  21. New OS 61fx and MACs Tuned pipe
  22. .21 Vspec break in.. No, first time starting...?
  23. what glow plug on .18 ostm?? is os# 8 ok?
  24. Tuned Pipe for the O.S. 18TZ
  25. OS FS 70 ll surpass...black guey stuff
  26. .15 cv-r
  27. os 120 surpass aluminum motor mount
  28. OS FS 48 Surpass
  29. Idle trouble on my OS 12TR w/10J carb.
  30. OS .60 fgr questions
  31. OS 120 Surpass III
  32. OS FS 70 Surpass 11
  33. OS 30VG Compression ?
  34. Header and Pipe Combo
  35. OS 30 run in
  36. O.S. 18TZ-TX versus O.S. .18 CVR-M
  37. COOLPOWER SUPER T FUEL
  38. RECOMMENDED TEMPERATURES OS46 AX
  39. os 12 cv-r settings
  40. What's the best fuel for my OS 160FX?
  41. OS91FX mixture setting
  42. .52 muffler woes
  43. muffler swap
  44. Was told to repost this here in case someone can help. OS AX .46
  45. Hobby Services
  46. os 91 fs pumped is muffler needed ?
  47. Carb sticking at about 1/2 throttle
  48. OS 120 AX
  49. os 120fs header fit??
  50. will it fit A JATO
  51. VZB Vspec 21
  52. DTX .18
  53. OS 120 Am After Market Pitss
  54. SZ91H-PS head shim question
  55. OS Wankel Overheating
  56. OS 30vg and 30%
  57. OS .46fxi seems tight after setting
  58. OS .18 question
  59. OS 1.08 FSR 1.08
  60. 60L vs 60B
  61. os 35 question
  62. OS VR DF 91 with tuned pipe and prop option
  63. OS fs 40 four stroke
  64. dtx .18
  65. Traxxas "ez start" spinning on my os 18
  66. .46 and .55AX Help
  67. OS120AX
  68. fs 70 surpass
  69. BGX Start problem upside-dow
  70. Need new crankshaft for 160FX - taken care of
  71. OS Engines .21 VG
  72. OS .91FX
  73. OS46V Rear Exhaust
  74. OS FX 91 sputters on high end
  75. FS120 III Exhaust
  76. OS 300 Twin
  77. problem: 4 stroke mounting
  78. Heat cycle break-in???
  79. Quits at idle after removing glow charger - OS 70 Surpass II
  80. Running In an OS37SZ-H
  81. OS VSpec Pipe designations
  82. 30% Heli fuel in OS 46FX?
  83. OS 91 DF ?? what fuel????
  84. OS .55AX needle valve.
  85. FS 120 III Surpass - False firewall
  86. FS = OS is Tamiya FS an OS
  87. OS 91 Pumped problems
  88. .18 TZ question I'm a little confused...
  89. excesive fuel
  90. Idle bar plug
  91. new OS Wankel
  92. Getting an OS10FP head
  93. FS-120 Surpass III Engine w/Pump - tank location and plumbing
  94. Excessive fuel from crankcase vent
  95. OS Timing FS 61 Surpass
  96. Need Help... Stressed out...
  97. MOVED: Fuji43EI RF Interference
  98. Piston color
  99. 120AX & 160FX Noise Levels?
  100. MOVED: O.S. 91 Surpass prop and Sig Hog Bipe
  101. ENGINE TROUBLES
  102. OS FS 120 in a Giant Big Stik?
  103. 1.60 twin pressure taps help??
  104. O.S. 18 TZ-TX problems
  105. Needle valve for O.S. FS-120S-E Surpass
  106. O.S. 1.20 AX muffler
  107. need advice for 1.60 gemini twin exhaust ext
  108. OS FP .40
  109. OS .50 SX Break-in
  110. Header and Tuned Pipe
  111. Sticky carb slide on OS .21 VG on Losi 8 buggy
  112. Play on rebuilt vspec
  113. OS 20 piston and cylinder
  114. OS 200 FS & GP Giant Aeromaster
  115. stuck engines
  116. Need Pullstart or Roto Start... help ?
  117. o.s .18tm rebuild help
  118. os 46fxi
  119. OS 30 VG pull to roto start.
  120. Need advice on backplate pressure tap for 160FX
  121. break-in props for 91&1.20 fs's?
  122. resetting mixture screw on OS 91 surpass
  123. o.s30vg max.. temp info please...
  124. OS 1.20
  125. new o.s .18tm
  126. FS-91 surpass (I) manual
  127. used .46 ax with tuned pipe
  128. O.S. 18. CVR-X carb leak?
  129. Will the .18TZ fit !?
  130. OS 91 power
  131. .46 FXi vs .46 FX?
  132. OS 91 with pump Regulator leaking
  133. 06 mc
  134. OS 1.08 inconsistant running ?
  135. OS Engine for HPI RS4 EVO3
  136. OS 61 FX Question
  137. Need to extend my Bisson muffler tubes
  138. Fitting and OS50SX
  139. OS 91 FS w/pump bogging down!
  140. FS-70 rebuild??
  141. o.s. o.b. break in
  142. FL70 Backfire problem HELP?? please???
  143. 25VF-DF on Viper Q-500
  144. OS Nipple Mounting
  145. marine 4-strokes?
  146. 180 header for the OS 18TZ -TX
  147. OS 120AX
  148. OS 55AX carb problem
  149. OS 52 and 70 surpass
  150. Fuel line size
  151. 91 surpass II lsn
  152. 18x6 prop for os 1.60??
  153. OS 91FX
  154. Can you Identify my OS120?
  155. 91 Surpass Bearings
  156. OS 91 4 stroke
  157. OS 160 Fx
  158. os. 18 tz won't start
  159. Tuned Pipe Confusion...Please Help~
  160. MOVED: 15LA
  161. OS 61FX
  162. Useful OS engine site
  163. What does the number on the muffler really mean?
  164. starter?
  165. OS91FX on tune pipe
  166. OS 46 AX won't turn over freely
  167. why dis-continue the cvr.12?
  168. 21vg, 30% nitro head shim
  169. OS 46 VXDF (or OS 46 VX-M) question
  170. OS BGX 3500
  171. Mid-range rattle ?
  172. OS 55 Ax Exhaust again
  173. OS 55 AX
  174. os .18 cvr crankcase stripping head bolts
  175. FS120-II with pump not consistent
  176. Header for 30 sized OS
  177. OS FS 70 Ultimate
  178. fs 40, seems to knock
  179. OS 18TM
  180. OS 91-FS Surpass 1 high speed needle overflow
  181. OS Instruction Manual Confusion
  182. osmg1992 crankcase pn#
  183. Broken Pressure Tap
  184. O.S. 160FX 3 bladed prop question.
  185. 1.60 FX in a Spitfire
  186. o.s. crankshaft
  187. OS 91 FX Question
  188. OS 61 SF peeling, fact or fiction
  189. Pull start for .12 CV-R
  190. MOVED: Aftermarket Piston, ring & cyl. liner 91Fx
  191. Help to ID OS motor
  192. OS61fx in a 46. size plane
  193. O.S. TZ-TX pull start help
  194. 3Blade Prop for OS BGX 3500
  195. Tuned exaust
  196. os .25 FX
  197. .40 LA Help.
  198. Extending the shaft of a FS120
  199. OS91FX mid range problem
  200. O. S. 1.60 FX FI
  201. OS .21 vpec question
  202. How to calculate thrust?
  203. OS FS 200 & 200FI
  204. help with parts for 91 fx
  205. 40 fs, info on ring/cylinder
  206. MOVED: Disassembly / reassembly O.S FS engine
  207. prop for 40 fs
  208. OS 61SF ABC-P
  209. 120AX
  210. OS 160FX prop
  211. 46 sf ring install
  212. O.S. FS-120 Bearings
  213. os 91 4 stroke
  214. OS 1.40 RX
  215. emp anf fuel
  216. temp anf fuel
  217. os fs 120 non surpass engine, circa 1983
  218. header / pipe for 18-cvr
  219. MOVED: GASOLINE MOTOR FOR TMAXX
  220. Hydra lock engine damage?
  221. Flexible Exhaust for OS Four Strokes
  222. Carb for 1.60FX
  223. 91 fx/ goldberg 10-300.. prop?
  224. What kind of OS .25 V engine do I have?
  225. 1.20 surpass Short Crank?
  226. OS FF240 Pegasus-Need cylinder head
  227. ODD PROBLEM 18TM
  228. Black oil residue, .46AX
  229. MOVED: Old OS 120 SF 4 Stroke parts
  230. Question about carb for 61 FX
  231. OS 120 AX cut
  232. OS vspec idling issue
  233. OS MAX 21 VZB (P) not v-spec
  234. Muffler for old PET OS 0.99?
  235. OS 15 replacement muffler
  236. .18 not getting good fuel
  237. OS61RF
  238. OS .40 FP
  239. 3-Bladed Prop for 1.60FX
  240. Running time
  241. os 18 tm
  242. MOVED: O.S. .91 FX with 14x6 ??
  243. removing bearings in 46FX?
  244. OS 18 CVRX
  245. OS AX 46
  246. Low-end needle valve factory settings for FX engines
  247. OS91 FX Inverted
  248. VZB Crankcase
  249. What OS Engine is this Exactly?
  250. OS engine for Inferno 777 WC

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