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  1. Announcement:
    The RULES- Read em and weep.
    Billy Golightly (Always finding new and exciting ways to not give a hoot in hell)
    03-02-2007
    Views:
    73,359
Page 1 of 15 1 2 3 11 ... LastLast
Threads 1 to 50 of 729

Forum: Mad Scientists Lair

This forum is for all hardcore, extremely technical information relating to production and new age trikes. Hybrids, jig construction, high level engine performance, geometry, fabrication, and engineering. Be prepared to get a blast of information that no mortal man can stand. If you can't leave anything stock, or are hungry for highly technical information applicable to trikes this is the forum for you. Igor, fetch me that protractor and metal scribe. "Yes, master!"

  1. Sticky Thread Read This! Forum Purpose.

    Started by Billy Golightly, 03-16-2007 11:41 PM
    • Replies: 2
    • Views: 6,721
    J_Stafford
    05-30-2010, 06:00 PM Go to last post

  1. brake caliper swaps for 83-85 200x's

    Started by jason85atc250r, 03-17-2007 10:52 PM
    7 Pages •
    1 2 3 4 5 ... 7
    12 Attachment(s)
    • Replies: 94
    • Views: 114,408
    Leevvii
    06-20-2021, 03:23 AM Go to last post

  2. CR500 trike conversion project Begins.

    Started by Billy Golightly, 05-02-2005 07:26 PM
    11 Pages •
    1 2 3 4 5 ... 11
    50 Attachment(s)
    • Replies: 154
    • Views: 99,689
    torker
    01-16-2018, 06:50 PM Go to last post

  3. ATC250R 2 wheel conversion

    Started by GPracer2500, 11-19-2006 09:59 PM
    4 Pages •
    1 2 3 4
    14 Attachment(s)
    • Replies: 51
    • Views: 93,485
    Hondarider34
    07-03-2011, 06:43 PM Go to last post

  4. How to reproduce parts.

    Started by jeswinehart, 11-25-2012 05:17 PM
    8 Pages •
    1 2 3 4 5 ... 8
    77 Attachment(s)
    • Replies: 107
    • Views: 81,150
    Howdy
    08-22-2018, 10:04 AM Go to last post

  5. Project Loose Fillings AKA The Goblin

    Started by Gabriel, 10-01-2018 01:27 PM
    7 Pages •
    1 2 3 4 5 ... 7
    17 Attachment(s)
    • Replies: 93
    • Views: 70,510
    yaegerb
    06-13-2019, 08:09 PM Go to last post

  6. CR250R Conversion to ATCR250R

    Started by SpeedBump, 01-14-2006 11:13 PM
    18 Pages •
    1 2 3 4 5 ... 18
    126 Attachment(s)
    • Replies: 265
    • Views: 68,002
    max
    10-27-2011, 08:33 PM Go to last post

  7. sand casting/aluminum-projects

    Started by Shep1970, 08-06-2017 09:36 PM
    6 Pages •
    1 2 3 4 5 ... 6
    112 Attachment(s)
    • Replies: 76
    • Views: 67,850
    Shep1970
    09-28-2020, 06:35 PM Go to last post

  8. Honda Big Camo 250es project

    Started by Mondexbrute, 02-16-2010 07:16 PM
    6 Pages •
    1 2 3 4 5 ... 6
    18 Attachment(s)
    • Replies: 81
    • Views: 66,487
    3wheelsoffury
    05-30-2012, 04:15 PM Go to last post

  9. Cool MY BUILD - 450R swinger on a 350X and a 250R frontend too......IT RUNS!!!!

    Started by Dirtcrasher, 10-16-2010 07:03 PM
    10 Pages •
    1 2 3 4 5 ... 10
    • Replies: 143
    • Views: 62,708
    Jmoozy27
    04-03-2015, 02:18 AM Go to last post

  10. Suzuki Madness

    Started by C.J, 08-22-2013 02:00 PM
    4 Pages •
    1 2 3 4
    3 Attachment(s)
    • Replies: 58
    • Views: 51,180
    Tri-Z 250
    11-15-2017, 03:21 PM Go to last post

  11. introducing "CHUBBY"

    Started by KASEY, 05-29-2008 11:23 PM
    3 Pages •
    1 2 3
    10 Attachment(s)
    • Replies: 42
    • Views: 50,613
    redsox
    01-23-2018, 09:56 AM Go to last post

  12. 2005 Honda FatCat 450R :)

    Started by Mr Bracket, 05-27-2009 08:03 PM
    8 Pages •
    1 2 3 4 5 ... 8
    • Replies: 114
    • Views: 49,086
    Side Wayz
    02-23-2010, 02:30 AM Go to last post

  13. How to power valve your Tri-Z

    Started by Derrick Adams, 01-31-2005 09:24 PM
    4 Pages •
    1 2 3 4
    18 Attachment(s)
    • Replies: 50
    • Views: 48,955
    El Camexican
    12-30-2019, 07:15 PM Go to last post

  14. ascott 500 head swap onto a 350x.... with pics

    Started by SWIGIN, 01-05-2008 05:02 PM
    10 Pages •
    1 2 3 4 5 ... 10
    49 Attachment(s)
    • Replies: 145
    • Views: 46,972
    TheRealFatShady
    04-21-2013, 12:53 PM Go to last post

  15. Suzuki dr350/ atc350x conversion

    Started by nick walke, 01-03-2010 12:45 PM
    3 Pages •
    1 2 3
    58 Attachment(s)
    • Replies: 38
    • Views: 45,789
    HorseMcHorseman
    04-02-2019, 12:02 AM Go to last post

  16. Talking KHAOS 500R built by TEAM HEAT AND BEAT

    Started by SYKO, 11-09-2007 02:26 PM
    17 Pages •
    1 2 3 4 5 ... 17
    18 Attachment(s)
    • Replies: 253
    • Views: 44,437
    Trip
    05-09-2011, 11:34 PM Go to last post

  17. Crf 450 05 T0 3wheel.....

    Started by xmode, 02-20-2009 04:36 PM
    13 Pages •
    1 2 3 4 5 ... 13
    1 Attachment(s)
    • Replies: 184
    • Views: 43,057
    alexandros
    03-29-2014, 09:52 PM Go to last post

  18. 1986/87 Honda 200x headlight “shells”

    Started by Shep1970, 05-01-2018 08:36 PM
    3 Pages •
    1 2 3
    25 Attachment(s)
    • Replies: 31
    • Views: 36,827
    Shep1970
    01-23-2019, 02:48 PM Go to last post

  19. 250r to 380r monster

    Started by Daddio, 02-15-2009 12:20 PM
    3 Pages •
    1 2 3
    • Replies: 32
    • Views: 36,761
    big specht
    12-20-2017, 04:55 PM Go to last post

  20. Honda line tachometer, canister repair.

    Started by jeswinehart, 02-08-2014 09:23 AM
    5 Pages •
    1 2 3 4 5
    93 Attachment(s)
    • Replies: 63
    • Views: 35,046
    jeswinehart
    03-29-2016, 07:56 PM Go to last post

  21. Fat Cat 250sx

    Started by atc500x, 11-29-2009 10:47 PM
    3 Pages •
    1 2 3
    23 Attachment(s)
    • Replies: 40
    • Views: 32,829
    atc500x
    02-02-2020, 09:10 AM Go to last post

  22. 85 ATC250R compared to 86 ATC250R

    Started by whyzee, 02-23-2008 03:57 PM
    5 Pages •
    1 2 3 4 5
    • Replies: 65
    • Views: 30,830
    juggaloclownz18
    06-25-2010, 08:11 AM Go to last post

  23. '83 ATC 480R Starting The Fabrication

    Started by Bigbore, 11-09-2007 09:00 PM
    5 Pages •
    1 2 3 4 5
    7 Attachment(s)
    • Replies: 70
    • Views: 30,239
    Williejamehufff
    10-28-2013, 02:37 PM Go to last post

  24. My overseas ’84 480R build

    Started by rayatc84, 11-11-2012 10:18 AM
    • Replies: 14
    • Views: 29,284
    rayatc84
    12-12-2015, 03:00 PM Go to last post

  25. ATC 250R - Wider Footpegs

    Started by Red Rider, 11-03-2010 08:59 PM
    2 Pages •
    1 2
    10 Attachment(s)
    • Replies: 26
    • Views: 27,188
    Red Rider
    04-14-2020, 12:35 AM Go to last post

  26. Building A TPC

    Started by jensenracing77, 11-07-2010 06:31 PM
    6 Pages •
    1 2 3 4 5 ... 6
    43 Attachment(s)
    • Replies: 84
    • Views: 26,930
    jensenracing77
    04-19-2011, 05:29 AM Go to last post

  27. ATC 250RF project under way...Still at it!!!

    Started by torker, 02-06-2010 01:06 AM
    9 Pages •
    1 2 3 4 5 ... 9
    • Replies: 122
    • Views: 26,164
    bcredneck
    01-22-2011, 02:25 PM Go to last post

  28. ATC 600X Build Specifics

    Started by mcgyver331, 08-19-2012 07:08 PM
    5 Pages •
    1 2 3 4 5
    9 Attachment(s)
    • Replies: 64
    • Views: 26,117
    wide'n'low
    09-14-2013, 03:15 PM Go to last post

  29. How to turn a ATC into an ATV in just a few easy steps....

    Started by EarlyBronocGuy, 06-13-2010 07:04 PM
    3 Pages •
    1 2 3
    • Replies: 33
    • Views: 26,058
    DasUberKraut
    08-25-2011, 10:27 PM Go to last post

  30. laydown 250r motor (fast 70 pics)

    Started by mart, 10-30-2006 08:38 AM
    8 Pages •
    1 2 3 4 5 ... 8
    37 Attachment(s)
    • Replies: 118
    • Views: 25,841
    factoryX
    01-16-2009, 07:34 AM Go to last post

  31. Crazy inverted tricks on a ATCR250R!

    Started by Red Rider, 04-19-2006 11:49 PM
    6 Pages •
    1 2 3 4 5 ... 6
    50 Attachment(s)
    • Replies: 80
    • Views: 25,387
    JasonB
    02-18-2014, 11:38 PM Go to last post

  32. New start to the 500 project

    Started by jeffatc250r, 01-11-2007 05:01 PM
    3 Pages •
    1 2 3
    9 Attachment(s)
    • Replies: 31
    • Views: 25,287
    atc300r
    10-22-2019, 01:08 PM Go to last post

  33. ATC 70 + Powerwheels = electric ATC 70

    Started by ADOR, 11-11-2010 05:39 PM
    2 Pages •
    1 2
    • Replies: 15
    • Views: 24,982
    Quinc
    04-04-2019, 11:54 AM Go to last post

  34. Tri-Z 600 conversion - Part 2

    Started by tri dee, 01-03-2008 01:32 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 15
    • Views: 24,828
    ATC-Eric
    08-03-2019, 08:38 PM Go to last post

  35. Poll Poll: New Tri-z clutch covers

    Started by TRITecate350, 02-20-2008 08:03 PM
    3 Pages •
    1 2 3
    • Replies: 32
    • Views: 24,481
    YTZ drew
    01-16-2021, 11:27 PM Go to last post

  36. Theory Discussion: Can a mainjet be an accurate "rule of thumb" for engine power?

    Started by Billy Golightly, 03-30-2008 01:04 PM
    3 Pages •
    1 2 3
    • Replies: 33
    • Views: 24,356
    RubberSalt
    07-05-2016, 12:07 PM Go to last post

  37. Talking Pics of my atc 500r project

    Started by prohemi500, 09-08-2008 07:26 PM
    3 Pages •
    1 2 3
    • Replies: 42
    • Views: 24,106
    volfan537240
    04-24-2013, 11:01 PM Go to last post

  38. 2 Stroke engine performance resources. Books, and other things.

    Started by Billy Golightly, 03-16-2007 10:58 PM
    2 Pages •
    1 2
    • Replies: 18
    • Views: 22,749
    Dr. Kit
    12-23-2009, 04:37 PM Go to last post

  39. Physics: More or less rotational weight?

    Started by Billy Golightly, 05-25-2007 10:44 AM
    2 Pages •
    1 2
    • Replies: 29
    • Views: 22,454
    yellowoctupus
    12-22-2016, 07:24 PM Go to last post

  40. 84 cr500r in an 84 200x

    Started by gumbyspeed, 01-13-2011 10:14 PM
    6 Pages •
    1 2 3 4 5 ... 6
    23 Attachment(s)
    • Replies: 80
    • Views: 22,321
    fabiodriven
    09-24-2012, 07:47 PM Go to last post

  41. Project Atc 500r forward kick

    Started by jeffatc250r, 01-17-2009 12:14 PM
    4 Pages •
    1 2 3 4
    • Replies: 55
    • Views: 21,915
    B S
    02-16-2015, 11:34 AM Go to last post

  42. The Start of the 2006 KLX450r has begun! UPDATED W/ PICS GOT MOTOR

    Started by 250rmanfmf, 01-01-2008 05:42 PM
    7 Pages •
    1 2 3 4 5 ... 7
    19 Attachment(s)
    • Replies: 95
    • Views: 21,635
    Dirtcrasher
    02-12-2012, 11:04 PM Go to last post

  43. Turbo’d Honda 200

    Started by lndy650, 01-18-2018 11:12 PM
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 16
    • Views: 21,300
    lndy650
    01-26-2018, 05:56 PM Go to last post

  44. finished big red project

    Started by skiffy, 06-06-2009 04:18 PM
    4 Pages •
    1 2 3 4
    • Replies: 50
    • Views: 21,208
    acidburn
    04-21-2011, 06:40 PM Go to last post

  45. "Little Impostor" mini I'm working on...

    Started by torker, 03-28-2015 01:45 PM
    2 Pages •
    1 2
    14 Attachment(s)
    • Replies: 24
    • Views: 21,069
    big specht
    06-07-2017, 04:21 PM Go to last post

  46. ATC/TRX450R conversion - Ride report inside page 4

    Started by atctim, 12-09-2008 12:15 PM
    4 Pages •
    1 2 3 4
    1 Attachment(s)
    • Replies: 56
    • Views: 20,755
    atctim
    07-22-2009, 02:31 PM Go to last post

  47. Tecate engine swap & build thread

    Started by cr480r, 03-19-2007 05:38 AM
    5 Pages •
    1 2 3 4 5
    3 Attachment(s)
    • Replies: 66
    • Views: 19,728
    onformula1
    01-03-2015, 04:36 AM Go to last post

  48. 250r rear brake mod

    Started by SWIGIN, 03-16-2007 10:22 PM
    3 Pages •
    1 2 3
    5 Attachment(s)
    • Replies: 43
    • Views: 19,276
    skidoo99
    03-29-2015, 07:20 PM Go to last post

  49. My latest invention-Helmet camera footage on YOUTUBE, check it out!

    Started by Billy Golightly, 12-17-2007 09:16 PM
    10 Pages •
    1 2 3 4 5 ... 10
    17 Attachment(s)
    • Replies: 141
    • Views: 19,125
    aaron7
    02-26-2009, 02:32 PM Go to last post

  50. How many have done a Lifan swap to ATC70.

    Started by Zuplar, 03-04-2014 12:46 PM
    2 Pages •
    1 2
    9 Attachment(s)
    • Replies: 27
    • Views: 18,875
    tblumer
    03-09-2014, 11:44 AM Go to last post
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