View Full Version : O.S. Engines Support



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

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