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The power in horse

  1. Sticky Thread Sticky: Replacing the Rear Bearing + Bearing Size List

    Started by sacko, 27-12-2010 03:50 PM
    • Replies: 11
    • Views: 4,374
    Today, 08:18 AM Go to last post
    • Replies: 7
    • Views: 131
    Today, 06:19 AM Go to last post
  1. Engine id

    Started by abyiss, 23-05-2013 11:54 PM
    • Replies: 2
    • Views: 83
    Yesterday, 12:47 AM Go to last post
  2. OS MAX 70 with align 90 muffler possible?

    Started by FuturaSE, 23-05-2013 08:07 PM
    • Replies: 4
    • Views: 69
    23-05-2013, 09:14 PM Go to last post
  3. Hatori muffler removal problem.

    Started by Malc1, 23-05-2013 07:08 AM
    • Replies: 0
    • Views: 41
    23-05-2013, 07:08 AM Go to last post
  4. TT53 - OS Carb mod - Pictures/diagrams needed

    Started by Pabs, 21-05-2013 11:37 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 284
    21-05-2013, 11:03 PM Go to last post
  5. os 50/55 pipes...are they the same

    Started by dogbiscuit, 10-05-2013 03:49 PM
    • Replies: 14
    • Views: 210
    11-05-2013, 04:29 PM Go to last post
  6. Very wierd

    Started by KevDavies, 09-05-2013 04:14 PM
    • Replies: 9
    • Views: 196
    09-05-2013, 08:22 PM Go to last post
  7. What happened to my glowplug?

    Started by waqr, 04-05-2013 06:31 AM
    • Replies: 9
    • Views: 200
    05-05-2013, 11:47 AM Go to last post
  8. redline 53 run in

    Started by Raptormad2, 04-05-2013 08:29 PM
    • Replies: 3
    • Views: 114
    04-05-2013, 08:51 PM Go to last post
  9. Nitro Boys..........

    Started by tourerjim, 02-05-2013 11:52 AM
    • Replies: 13
    • Views: 233
    02-05-2013, 08:14 PM Go to last post
  10. Os gt15hz

    Started by kescot, 27-04-2013 05:15 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 367
    29-04-2013, 04:26 PM Go to last post
  11. Piston, ring and liner. How to tell when they're toast

    Started by trillian, 24-04-2013 04:48 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 299
    24-04-2013, 09:28 PM Go to last post
  12. YS60SR and T Rex600 - Headspeeds

    Started by Malc1, 17-04-2013 07:06 PM
    • Replies: 3
    • Views: 98
    17-04-2013, 08:07 PM Go to last post
  13. What a wally?

    Started by pgkevet, 14-04-2013 10:36 PM
    • Replies: 0
    • Views: 113
    14-04-2013, 10:36 PM Go to last post
  14. help os 105hz wont stop

    Started by agh321, 13-04-2013 07:53 PM
    • Replies: 4
    • Views: 122
    13-04-2013, 08:02 PM Go to last post
  15. Dual Viperhead...........p

    Started by tourerjim, 12-04-2013 04:56 PM
    • Replies: 8
    • Views: 202
    13-04-2013, 09:51 AM Go to last post
    • Replies: 0
    • Views: 95
    05-04-2013, 11:47 PM Go to last post
  16. Verdict on oversize 90 engines?

    Started by Si Goodchild, 01-04-2013 10:02 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 647
    02-04-2013, 09:53 PM Go to last post
  17. Excess Fuel. How much is too much?

    Started by dbull46, 01-04-2013 05:10 PM
    • Replies: 2
    • Views: 136
    01-04-2013, 05:52 PM Go to last post
  18. Os 105 hzr needle settings

    Started by Flat Eric, 31-03-2013 08:15 PM
    • Replies: 3
    • Views: 235
    31-03-2013, 09:18 PM Go to last post
  19. OS 37 SZ-H vs TT 36/39

    Started by Suzuki_kid_1984, 30-03-2013 04:15 PM
    • Replies: 9
    • Views: 195
    30-03-2013, 06:20 PM Go to last post
  20. YS120 tuning guide

    Started by raptorheli2, 07-11-2011 11:20 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 81
    • Views: 6,246
    24-03-2013, 06:09 PM Go to last post
  21. What flight time do you get from your OS105HZ-R?

    Started by AliHumphrey, 23-03-2013 04:09 PM
    2 Pages
    1 2
    flight times, os105hz-r, t-rex 700
    • Replies: 16
    • Views: 251
    23-03-2013, 05:53 PM Go to last post
  22. It makes little sense..

    Started by pgkevet, 17-03-2013 07:05 AM
    • Replies: 14
    • Views: 298
    20-03-2013, 09:49 PM Go to last post
  23. How to rebuild engines and influence people

    Started by KevDavies, 19-03-2013 04:34 PM
    3 Pages
    1 2 3
    • Replies: 40
    • Views: 896
    20-03-2013, 03:21 PM Go to last post
  24. What glow plug for ys engines?

    Started by Telehandler, 19-03-2013 11:00 PM
    • Replies: 4
    • Views: 203
    19-03-2013, 11:13 PM Go to last post
  25. Os gt15hz

    Started by express, 24-12-2012 08:07 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,421
    15-03-2013, 11:19 AM Go to last post
  26. confused 91 srs help on identifyin piston

    Started by dieselcarb, 08-03-2013 05:22 PM
    • Replies: 8
    • Views: 204
    10-03-2013, 12:22 AM Go to last post
  27. Glow pliugs

    Started by KevDavies, 25-02-2013 10:58 AM
    • Replies: 4
    • Views: 206
    09-03-2013, 05:08 PM Go to last post
  28. heli engine test stand

    Started by pgkevet, 03-03-2013 11:32 PM
    • Replies: 4
    • Views: 187
    04-03-2013, 09:32 AM Go to last post
  29. New Engine - Recommends needed

    Started by David Drew, 18-02-2013 06:55 PM
    • Replies: 9
    • Views: 261
    25-02-2013, 06:48 PM Go to last post
  30. OS50 - low end needle settings

    Started by waqr, 24-02-2013 08:56 PM
    • Replies: 8
    • Views: 180
    24-02-2013, 11:43 PM Go to last post
  31. Hatori 561 for OS 50?

    Started by waqr, 20-02-2013 07:59 PM
    • Replies: 3
    • Views: 125
    24-02-2013, 08:49 PM Go to last post
  32. How is this done..

    Started by jwatts007, 18-02-2013 07:44 PM
    • Replies: 0
    • Views: 148
    18-02-2013, 07:44 PM Go to last post
  33. ys 91 very hard to start ,loads of compression

    Started by Telehandler, 17-02-2013 09:59 PM
    • Replies: 4
    • Views: 149
    17-02-2013, 10:49 PM Go to last post
  34. TT redline 100H running very rich

    Started by malloryn, 09-02-2013 04:57 PM
    • Replies: 0
    • Views: 136
    09-02-2013, 04:57 PM Go to last post
  35. OS 55 backplate pressure hole

    Started by panosg, 06-02-2013 08:48 PM
    • Replies: 8
    • Views: 205
    06-02-2013, 09:36 PM Go to last post
  36. TT Redline 53

    Started by sparts, 28-01-2013 10:47 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 352
    06-02-2013, 08:53 AM Go to last post
  37. YS120sr, Funtech or Hatori?

    Started by tonystevens, 20-01-2013 10:48 PM
    • Replies: 7
    • Views: 237
    maj
    21-01-2013, 07:49 AM Go to last post
  38. Unhappy YS120SR started running hot

    Started by mc_clean_david, 07-01-2013 12:08 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 566
    08-01-2013, 10:42 AM Go to last post

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