PDA

View Full Version : YS Engines Support

Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 [16] 17 18
  1. Prop size for 110
  2. YS 91 power Question
  3. YS 140 Prop Question
  4. New YS 140 Sport - Name?
  5. Ys F120
  6. YS140L Sags with Positeve G
  7. Dz
  8. 140 DZ 3D 3 blade props
  9. YS 120 NC Quits
  10. 63 fz rpm question for dave
  11. ys 140l leaking through exhaust and carb...
  12. Regulator Disassembly
  13. YS FZ 63 Four stroke
  14. My 120NC quits after 2-3 minutes!
  15. 140 Dz
  16. YS 53 Prop Size
  17. YS 1.40 DZ with the DP Ultimate
  18. YS 140L Manuel
  19. Ys 120fz
  20. 91FZ question
  21. ys-91 Top End Power
  22. YS 120 / 140 tuned pipe
  23. do i have the real thing?
  24. 61 ST I or ST II?
  25. YS140FZ - Piston Rock
  26. needles and regulators
  27. YS 120 leaky carb!!!!!!!!
  28. YS63 hard to start.
  29. YS in NV or Central Hobby
  30. YS 120 NC Prop and fuel ?
  31. need to send in a 120 for overhaul
  32. 91FZ --> 110FZ conversion possible?
  33. F-120 leaks from carb
  34. 140 Dz - Regular Synthetic Oil?
  35. straight in flow muffler 140 sport
  36. No tools with new 140 sport
  37. YS 140L eating CAM & other questions
  38. Ys 110
  39. Ys 91 Ac
  40. New YS110
  41. 140L FunFly Prop
  42. Ys 120fz
  43. Solvents/HC gaskets for YS63
  44. my 120FZ starves at Full Throttle
  45. YS Service Thanks Dave
  46. 2 YS-63 hard starting problem
  47. 120 Nc
  48. YS 91FZ idle question
  49. 140dz
  50. New 140L
  51. Nose Ring Tape?
  52. YS 140DZ fuel question
  53. Piston compatible?
  54. concerned
  55. DZ140 problem (Dave)
  56. How to change cam bearings
  57. 140 Sport spitting fuel
  58. When does the new 110 come out?
  59. Check valves
  60. Wanted__nib 91fz
  61. 120NC Carb Modification?
  62. YS91 Will Not Quit
  63. Tank on CG
  64. 91FZ dies hovering (Dave)
  65. Ys120nc
  66. Engine speed while flying.
  67. New Web Site ?
  68. YS 120 SF "Stiff Needle Valve"
  69. YS 63 jumps out of time
  70. sick 91AC
  71. DZ 140 Prop size (Dave)
  72. ys 63 no compression
  73. YS 91 AC + Hyde Soft Mount... Nose Ring, Yes or No?
  74. YS 91 AC Mufler
  75. YS 91 FZ "Won't Start" - Dave Comes Through Again!!!!
  76. Ys120fz
  77. YS 91 Fuel Line Routing
  78. YS 91 AC Threaded Crankshaft
  79. ys 63 starting problems
  80. YS91 AC lean on top end
  81. YS 91FZ Fuel
  82. I agree
  83. YS 1.40 Sport Fuel Consumption
  84. YS 91ac muffler
  85. DZ 140 - Too Lean
  86. Mounting YS FZ-120 On DuBro Mount
  87. Any Helpful 63 Owners????
  88. YS .63 Problem
  89. YS 63 poor transition & carb leak
  90. YS 91Ac-FZ Question?
  91. Ultrathrust
  92. 140 Sport Problem
  93. DAVE??correct plunger question?
  94. YS MUFFLER
  95. Pizzaz 40 with a YS 63, anyone have any tips?
  96. YS-63FZ Mid range running Problems
  97. YS 45 Operation Help
  98. YS 63 prop for break-in
  99. YS 110 on 15% Coolpower blend
  100. Leaky DZ 140's
  101. YS Plug or OS ?
  102. YS63 leaking fuel
  103. YS 45 hasn't been run in a long time ...
  104. YS 140 FZ fuel consumsion
  105. YS 91FZ idle problem - at end of my rope
  106. YS 91 - I know nothing!!!
  107. HS Needle valve adjustment?
  108. mounting YS 63
  109. YS91 don't run at idle for more than few secs
  110. YS120 regulator?
  111. YS 140,pressure to suction
  112. YS 110 Size
  113. YS53 midrange
  114. 120 SF Valve Leakage
  115. YS .91 AC fuel from carburetor
  116. YS91FZ break in problems
  117. YS .63 will not stay running
  118. YS 63 break in procedure question
  119. Inverted YS 1.20NC
  120. Muffler for 140DZ
  121. ys60re question
  122. FZ63 muffler baffle?
  123. fuel mixture problems
  124. Ys-45 only turns 11,000 rpm
  125. YS 63 break in
  126. What Aluminum Spinner for YS63?
  127. what prop size
  128. YS63 Question for Dave(or some1 that knows)
  129. 120 gaskets
  130. Coolpower 15%(Green OR Red?) Anyone??
  131. YS 91 - discontinued ?
  132. YS120F won't run
  133. Dave: Ys 110 Best Rpm Power Band?
  134. Dave, question please. How to remove nuts from prop.
  135. YS 140L Hyde Mount ?
  136. YS 63 Muffler
  137. Operation of YS Regulator Assembly
  138. Info on the YS-91-FZ
  139. Question for Dave?
  140. bent crank YS .63
  141. Whats up with the YS 63's?
  142. YS 1.40 DZ smoking
  143. fz91 Idle problem
  144. YS 63 goes Lean in flight
  145. YS 63 inverted installation
  146. YS .63 Valve setting, and engine break-in questions
  147. Does my YS 91FZ Hate me??
  148. 120 SF Intermittent
  149. Disassembling YS91FZ
  150. Ys 91 Fz
  151. YS 63 availability? Redesign?
  152. YS 120 ac+ DP Ultimate
  153. Range of Prop Sizes for 110
  154. YS 1.20 s? loose muffler
  155. 140 Sport
  156. ys 120 sc ?(Dave help I am confused)
  157. venturi restrictor - 140 DZ
  158. Fuel Filler for 140 DZ
  159. YS rpm problem
  160. yamada YS63FZ
  161. Ultrathrust for OS 91 FX
  162. Fuel Injector Nozzel on 140DZ
  163. YS 45 Tuned Pipe
  164. New Here..Need YS 120SF Help..PLEASE!!
  165. Need Tips On How To Set Valve Clearances On Dz
  166. No compression on YS63
  167. Reversing 140DZ?
  168. YS 120 FS piston, cylinder ,rods ?
  169. YS91 FZ, runs rough 4 clicks above idle - Help please
  170. YS 46 two stroke?
  171. YS 91 Problem
  172. YS140 Limited
  173. To invert....or not to invert.....
  174. Replacing head on 91ac - help !
  175. YS 45 FR pipe ?
  176. after run oil
  177. ys .6O exhaust
  178. Need info on Ryan STA 1/4 scale
  179. NC Spitting Fuel
  180. YS80 Engine Manual
  181. Dave, ys 63 > some ?'s
  182. YS 91 Heli engine in plane
  183. Ys 63
  184. Status of the new 110
  185. 1.40 DZ fuel clunk
  186. YS91 Problem , (help Dave!)
  187. YS140FZ Surging
  188. Ys 61
  189. YS 63 Fuel
  190. YS After Run Oil
  191. YS .61 heat
  192. Which Prop for my YS 61 FR Long Stroke?
  193. Nitro in YS140
  194. Ys140
  195. ys 53 needle valve
  196. Over- rev a 91 AC
  197. A couple of YS questions
  198. Need info on Ultrathrust Mufflers
  199. Wildcat Fuel, 18% Oil, 15% Nitro
  200. YS91AC Parts
  201. 63 Problems
  203. Q
  204. Whats the best RPM for YS80 Heli engine
  205. The same problems...
  206. YS63 Prop Prob
  207. YS 140 DZ "M" (with factory soft mount)
  208. Heli YS80 Engine help/ys91?
  209. ys63 too rich
  210. ys 63 problems - rich midrange
  211. New YS rebuild question
  212. Prop test
  213. Ys91st
  214. YS - performance degradation
  215. Wildcat/ 140DZ
  216. Is 2000 RPM idle realistic?
  217. 140 DZ quetion for Dave
  218. Y.S. 45 header bolt thread size??
  219. new to 4 strokers
  220. more 63fz questions for dave shadel
  221. 120NC idle probs
  222. still problems with fz63
  223. YS Question For Dave
  224. Ultrathrust noise
  225. Ys 45 Silencer
  226. YS-63 Myth or fact?
  227. ys 4-stroke engine on twin
  228. Fuel shut off valve for DZ
  229. Ys 45
  230. 53FZ Timming Question
  231. Prop selection for YS63 on Kyosho Spitfire
  232. Dave please help...YS 61ST-2 idle problem
  233. Ys 120 Sf
  234. ys perf overhaul
  235. Strap on Ultrathrust
  236. ys 63 wont stop
  237. ys 140L prop, Help...
  238. 91 ac does not seem right on top end
  239. ys63 rpm/ are these figures normal?
  240. YS-91ACH conversion
  241. Problem with a Y's 140L motor.
  242. YS 91ZF leaking....somewhere??
  243. YS 140 DZ Thrust numbers ?
  244. ys.45 re questions
  245. Muffler for DZ 140
  246. Fuel YS20/20 and 30 % heli. High versa low viscosity oil .
  247. YS 91 FZ problems
  248. Ys .80 Stii/st3 ???
  249. 140l
  250. Starting procedure for YS 120FZ