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  1. YS 160DZ check valve questions
  2. 1.40 L Fuel Issue
  3. YS 110 Top end
  4. YS 91 AC-H
  5. Metal dust.
  6. 140 Sport: Can that setup be right?
  7. 1.40L RPMs?
  8. YS91FZ Question
  9. 91 ac props for pattern
  10. fuel question
  11. YS 63FZ on 15% CoolPower Heli?
  12. YS F-120 Valve Clearance
  13. YS63 pump settings
  14. what is ok to use as storage or after run oil?
  15. DZ 1.60 Quitting
  16. YS91 FZ transition and idle problems
  17. YS 63 Application prospects
  18. YS 140 Problems
  19. YS .61AR
  20. YS 120 SF props
  21. Fuel Consumption
  22. Checking Pressure
  23. YS 63FZ question
  24. YS Glow Plug substitute
  25. Is 18x6 to big for 120 FZ?
  26. YS 63 questions
  27. 110 quitting
  28. YS 45 Stripped Glow Plug Threads
  29. Trouble with my 1.10
  30. a few questions on the ys .61 long stroke
  31. Cool power 30%, 30L or Magna
  32. Well Dave... Murphy caught up to me!
  33. What is the thread size on YS 120 FZ?
  34. Early F-120, Power missing ?
  35. YS 120 SF
  36. Cooling
  37. YS 110 - RUN IN ??
  38. DZ Fuel Question
  39. FZ 91 proble
  40. 120 SF regulator
  41. YS 140L and glow plugs
  42. YS 110 Muffler Replacement
  43. Can my 91FZ be repaired?
  44. YS F-120 Needle Valve Assy
  45. Large fuel line for 110?
  46. Fuel mileage problem with YS 140DZ
  47. YS 110 or YS 140 Sport
  48. YS F-120 NC NIB
  49. mejzlik prop on 120?
  50. YS 140 Sport Won'T Idel
  51. 110 muffler
  52. Eureka !!!
  53. YS160DZ loads up in vert
  54. YS 110 for repair
  55. Fuel line and fittings
  56. DZ 140 quitting problem
  57. YS-110 settings problems
  58. YS 110, Size of cowl cutouts for cooling?
  59. Ys 110 Very hard to start
  60. My first fly w old YS 120 SF
  61. YS140 Sport starting
  62. Exaust Header
  63. YS FZ-63S Idle RPM 2500RPM or 2000RPM?
  64. 91AC Backplate Gasket
  65. YS63 Running Lean
  66. ys 110 fz availability
  67. YS 91ST sagging in idleup
  68. YS 61
  69. YS 110 Propeller nut
  70. 91 FZ needle settings
  71. YS63FZs Silencer Failure
  72. Adjusting the YS 91AC
  73. DZ pump problem ?
  74. regulator question...on the 1.10
  75. YS FZ 110 Fuel
  76. Best Pipe for YS140FZ
  77. YS120 props
  78. YS FZ-140S Idle
  79. YS160 New NRV
  80. Electric starter or by hand?
  81. Byron Heli 30% VS CoolPover Heli 30%
  82. 160DZ Question - Throttle response
  83. YS 80 SURGING
  84. Feeler gauge
  85. Please Help!! New YS 1.40 leaking
  86. 91 prop
  87. YS 120 Problem
  88. YS Diaphragm
  89. YS 140DZ Idle
  90. ys 110 midrange
  91. 140dz stops
  92. Ys 10fz prop?
  93. ys .61 st heli engine quits running
  94. YS 160 prop for 3d
  95. Valve spring set for ys 120f
  96. FZ110 setup questions
  97. YS 1.10 Muffler coming loose
  98. YS 1.40 sport VS 1.40 DZ
  99. How fast is fast idle on a YS 91AC
  100. FZ110 availabililty
  101. Supercharging
  102. YS.Futaba 53FZ Problems
  103. YS low speed needle valve position?
  104. YS63 - air bubbles in the fuel feed line
  105. Y.S. Fatuba 60 FS engine
  106. 140dz quick prop question
  107. I need a 91fz muffler
  108. YS 91AC problem
  109. 140dz compression problem
  110. YS 63 FZ idle - changes from full to empty tank
  111. thread size for 110
  112. 110 adjustments?
  113. Low Iddle adjustment
  114. Needle Valve Setting YS .91AC
  115. Ys 140dz need a little help
  116. YS 120 problems
  117. Ys 110 not available till August?
  118. YS 110 Regulator & Plunger
  119. Request: YS 45 rear exhaust dimensions / documentation
  120. Do I need a new needle valve?
  121. YS fuel system question
  122. Running the DZ....
  123. I need help in getting my YS-91 to run correctly.
  124. YS 110 - Transition Adjustment rich or lean
  125. ys regulator diaphram
  126. DZ140 crash
  127. .63 High Speed Needle Extension...
  128. YS .63 FZ- bottom end problems
  129. Ys110 Plug probs!
  130. symptom..and cure
  131. Problems with 140L
  132. Confused about fuel
  133. lots of dark oil from my YS110 YS110
  134. YS Mount rubber delamination
  135. size fuel tubing for 1.10?
  136. DZ Part Replacement Help
  137. settings and adjustment for a YS 53
  138. 120-SC
  139. Regarding sent in 91fz
  140. YS120-SF manual needed
  141. YS45 Noise
  142. YSYS F-120
  143. Spinner for YS 63FZ
  144. YS 110 low rpm
  145. comparing the 140DZ and 160DZ
  146. Needle Settings needed please
  147. Torque for tightening down bolts
  148. YS 110 loading up in air
  149. YS 91 AC, impossible to tune, always rich
  150. fuel coming through the carburator.
  151. fuel coming through the carburator
  152. fuel line woes
  153. ys 53 bubbles
  154. YS .63 surging 1/4 throttle
  155. 160DZ , first start problem
  156. ys 140 sport and ys 140-2
  157. YS 110FZ and Edge 540T
  158. 110 v.s. 140s real world fuel consumption
  159. HP rating for the .61 long rod 2 stroke ?
  160. 140L With Black Gaskets??
  161. Props for YS53
  162. prop size for break in on 1.10?
  163. 140L regulator
  164. Timing Question 6 vs 12...does it matter?
  165. YS 110 Engines shipping?
  166. carburator air filter ys 110
  167. YS110 new. From Italy. wich fuel-help
  168. Straight pipe for exhaust on YS .53FZ
  169. YS f-120 better than os 120 pump?
  170. 110 set-up changes 5000' to 1000' altitude
  171. ys 110 problem, huge problem
  172. YS 110 Mounting
  173. YS 110 surging problem
  174. YS 91 FZ 4-stroke Engine Vs YS F 91-AC 4-stroke
  175. Magnum 30% heli fuel and YS engines
  176. YS 45 Regulator - same care as 63?
  177. Ys 110 help
  178. Ys 63 FZ fuel regulator
  179. 160DZ with Venturi Restrictor?
  180. Will it be 110 heaven or.......?
  181. YS 140DZ
  182. Two 63S in a VQ P-38
  183. 91AC muffler
  184. Curtis Youngblood Performance 30 Heli Mix: OK for FZ and DZ?
  185. Seating the Ring on YS63fz
  186. YS 110 will not idle, maintains 8000 RPM
  187. sf 120 i think
  188. Mid range surge/YS 110 FZ
  189. CP heli 30% VS Byron YS 20%
  190. .91 Fuel burn
  191. YS63 Nose Up Dies?
  192. YS 63FZs Crash
  193. ys sf 120 parts
  194. YS63 loss of RPM
  195. YS 110 max RPM
  196. YS 110 no low throttle response
  197. YS venturis
  198. Which cycle to adjust tappet clearance ?
  199. Bad Fuel
  200. ys 120 sf
  201. ys 120
  202. YS 110 Dead Stick
  203. YS 140s intake valve?
  204. YS 61 rear exhaust set-up?
  205. YS63S question
  206. Where to send ys 1.10 for repairs?
  207. bent push rods for 110
  208. YS 120-FZ start up advice.
  209. Fuel economy comparison
  210. 120 sf
  211. power/torque curve for 140DZ
  212. YS 110 half muffler
  213. YS 120SF Help!!
  214. YS stock Muffler for YS 140 Sport?
  215. YS 120FZ
  216. engine mount for 1.10 and .63 ?
  217. YS110FZ, won't run
  218. ?? Tunedpipe for a YS .61 Long
  219. Cool Power red oil
  220. New YS63S break in?
  221. What fuel and plugs with YS63S?
  222. 160DZ HP rating
  223. Dave...you've got a customer for life..
  224. YS 160 Dingo
  225. YS 53
  226. YS 120SF Muffler Header Thread Size?
  227. YS 110FZ RPM?
  228. Question about RPM and a YS 2-stroke
  229. YS .61S Short Stroke
  230. 63FZ
  231. Thanks Dave!!
  232. Ys F-120 manual required and advice
  233. My YS 110's Idle Screw Is All The Way In
  234. Delivery Status
  235. YS 110 recently serviced, still won't idle
  236. YS experts need help
  237. YS 160 sport????
  238. YS 63?
  239. YS 110 leaning shortly after takeoff...
  240. YS 110 Low idle Problem
  241. YS .61 Heli for airplane?
  242. YS 120 SF
  243. ys 63
  244. ys110 or ys120??
  245. Crashed plane...what to do for YS63?
  246. YS 110 as a pusher
  247. Dave Shadel out from 2/23 to 3/2/05
  248. YS 140 Question
  249. All YS 4 strokes "supercharged"?
  250. YS 120's