View Full Version : O.S. Engines Support



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

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