Roto Motor 170FS four cylinder gasoline engine - RTR
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  1. 11-21-2014
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    3,494
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Threads 1 to 20 of 4180

Forum: YS Engines Support

Direct support from YS Performance Engines by Dave Shadel

Forum: YS Engines Support

  1. Sticky Thread Sticky: Rules for Posting in the YS Forum (Please Read)

    Started by petec, 02-23-2011 08:20 PM
    • Replies: 0
    • Views: 1,887
    02-23-2011, 08:20 PM Go to last post
  2. Sticky Thread Sticky: ADDRESS FOR YS SERVICE

    Started by Dave Shadel, 12-12-2006 01:26 PM
    • Replies: 1
    • Views: 5,984
    12-26-2006, 03:20 PM Go to last post
  3. Sticky Thread Sticky: Current YS HP ratings

    Started by Hobbsy, 10-25-2004 02:51 PM
    • Replies: 0
    • Views: 10,075
    10-25-2004, 02:51 PM Go to last post
  1. Angry Timing YS-FZ-140

    Started by CURTISSP40, 12-24-2014 10:25 AM
    • Replies: 0
    • Views: 40
    12-24-2014, 10:25 AM Go to last post
  2. Check valve

    Started by bigbuster, 06-27-2014 01:05 AM
    • Replies: 6
    • Views: 249
    12-10-2014, 09:52 AM Go to last post
  3. YS CDI ver. 2 - Power Source Selection

    Started by arnstein, 12-05-2014 11:16 AM
    • Replies: 0
    • Views: 30
    12-05-2014, 11:16 AM Go to last post
  4. YS CDI Ver. 2 - RPM Telemetry

    Started by kevenoco, 11-26-2014 05:19 PM
    • Replies: 1
    • Views: 69
    12-05-2014, 11:06 AM Go to last post
  5. YS F-120 RPM recommendations

    Started by HunkaJunk, 11-29-2014 11:38 AM
    • Replies: 1
    • Views: 76
    12-05-2014, 10:01 AM Go to last post
  6. Ys175 cdi

    Started by jkruger, 06-14-2013 08:41 PM
    • Replies: 10
    • Views: 507
    11-24-2014, 08:10 PM Go to last post
  7. 175FZ fuel system question

    Started by 109....someday, 08-31-2014 09:14 PM
    • Replies: 11
    • Views: 235
    10-27-2014, 10:54 AM Go to last post
  8. Ys fz 91

    Started by flyinbullmax, 10-13-2014 07:03 AM
    • Replies: 1
    • Views: 95
    10-14-2014, 10:53 AM Go to last post
  9. Ys 115fz s

    Started by BAS, 09-14-2014 09:41 AM
    • Replies: 11
    • Views: 222
    09-29-2014, 09:11 AM Go to last post
  10. YS 61-S o-ring needle valve idle adjust

    Started by helichong, 09-01-2014 10:12 AM
    • Replies: 0
    • Views: 73
    09-01-2014, 10:12 AM Go to last post
  11. us engine repair

    Started by tech1wi, 08-25-2014 07:52 PM
    • Replies: 2
    • Views: 117
    08-27-2014, 07:36 AM Go to last post
  12. Spares for YS61 FR

    Started by aeroboy1293, 09-17-2010 07:28 PM
    • Replies: 7
    • Views: 881
    08-21-2014, 09:13 AM Go to last post
  13. ys engine repair

    Started by tech1wi, 08-21-2014 01:42 AM
    • Replies: 1
    • Views: 93
    08-21-2014, 07:18 AM Go to last post
  14. YS F-120 help... parts missing!

    Started by woodburner, 08-19-2014 06:15 PM
    • Replies: 3
    • Views: 107
    08-20-2014, 08:51 PM Go to last post
  15. YS 45 spare parts frustration

    Started by ozpoppy, 08-11-2014 11:34 PM
    • Replies: 1
    • Views: 116
    08-12-2014, 02:51 AM Go to last post
  16. Ys fz63. Won't idle w/o glow igniter

    Started by bigbuster, 08-04-2014 03:57 AM
    • Replies: 6
    • Views: 181
    08-10-2014, 11:17 PM Go to last post
  17. Ys fz 110 prop nut

    Started by chris77, 08-07-2014 06:05 PM
    • Replies: 0
    • Views: 80
    08-07-2014, 06:05 PM Go to last post
  18. I have a question about the DZ185 cdi.

    Started by 109....someday, 05-03-2014 01:49 PM
    • Replies: 4
    • Views: 211
    08-07-2014, 09:21 AM Go to last post
  19. Ys 61-s

    Started by Hab, 08-06-2014 08:39 PM
    • Replies: 0
    • Views: 100
    08-06-2014, 08:39 PM Go to last post
  20. Ys fz63 won't idle without glow igniter

    Started by bigbuster, 08-04-2014 02:16 AM
    • Replies: 0
    • Views: 89
    08-04-2014, 02:16 AM Go to last post

 
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