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
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    170,541
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Threads 1 to 50 of 732

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: 20,348
    J_Stafford
    05-30-2010, 06:00 PM Go to last post

  1. KTX Pro Plastics DONT DO IT!

    Started by Shawn Powell, 09-10-2025 03:06 PM
    • Replies: 0
    • Views: 221
    Shawn Powell
    09-10-2025, 03:06 PM Go to last post

  2. 85 250sx final drive machined to work on 1986 bike

    Started by rustyhondas, 04-13-2025 02:35 PM
    • Replies: 0
    • Views: 3,716
    rustyhondas
    04-13-2025, 02:35 PM Go to last post

  3. Exhaust pics atc250r 1st 2nd Gen pipes pics

    Started by Click, 06-28-2024 01:08 PM
    • Replies: 0
    • Views: 24,392
    Click
    06-28-2024, 01:08 PM Go to last post

  4. Cool Independent rear suspension road legal Honda 200m

    Started by SteveTheC, 01-20-2024 01:20 PM
    • Replies: 1
    • Views: 13,788
    ATC King
    01-28-2024, 12:08 AM Go to last post

  5. '84 200x carb slide options...

    Started by rsheehan79, 09-25-2023 06:15 AM
    • Replies: 1
    • Views: 13,708
    atc300r
    09-26-2023, 08:00 PM Go to last post

  6. Valve adjustment issues

    Started by agedatc, 03-31-2021 10:39 PM
    • Replies: 5
    • Views: 17,937
    ATC200X4716
    05-29-2023, 10:00 PM Go to last post

  7. Correct clutch pattern

    Started by Tortuga, 09-22-2022 04:34 PM
    • Replies: 4
    • Views: 16,427
    Tortuga
    09-23-2022, 03:37 PM Go to last post

  8. its that time again, ATC70 BUILD COMING.

    Started by KASEY, 11-24-2021 11:31 PM
    2 Pages •
    1 2
    30 Attachment(s)
    • Replies: 18
    • Views: 26,038
    BOB MARLIN
    04-05-2022, 12:13 PM Go to last post

  9. Turbo ATC200X... Go-Kart

    Started by ARJ0019, 02-09-2021 02:39 AM
    • Replies: 6
    • Views: 19,617
    ps2fixer
    02-12-2022, 04:10 PM Go to last post

  10. ATC Steering Stem Swaps?

    Started by Mr. NeverPlea, 10-30-2021 09:55 PM
    • Replies: 5
    • Views: 17,193
    Dirtcrasher
    02-12-2022, 03:53 PM Go to last post

  11. Hondaline ATC250es Cargo Net

    Started by sp00nfedem1, 01-11-2022 11:33 AM
    • Replies: 0
    • Views: 13,296
    sp00nfedem1
    01-11-2022, 11:33 AM Go to last post

  12. LiIon batteries for our ATC's

    Started by Gabriel, 12-01-2018 12:31 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 20
    • Views: 86,132
    ATC King
    11-09-2021, 10:41 PM Go to last post

  13. 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: 155,453
    Leevvii
    06-20-2021, 03:23 AM Go to last post

  14. Check Out My Atc500r I Have Some Questions Sweet 500r Please Look

    Started by benm492, 05-07-2009 01:27 AM
    3 Pages •
    1 2 3
    2 Attachment(s)
    • Replies: 39
    • Views: 36,136
    benm492
    06-03-2021, 10:36 PM Go to last post

  15. Predator Swap

    Started by 200Maniac, 03-13-2021 09:15 AM
    • Replies: 2
    • Views: 16,993
    TrikeKid
    03-24-2021, 11:29 PM Go to last post

  16. Mini-R project

    Started by atc500x, 05-10-2020 11:31 PM
    2 Pages •
    1 2
    17 Attachment(s)
    • Replies: 29
    • Views: 41,797
    atc500x
    02-11-2021, 08:46 AM Go to last post

  17. Poll Poll: New Tri-z clutch covers

    Started by TRITecate350, 02-20-2008 08:03 PM
    3 Pages •
    1 2 3
    • Replies: 32
    • Views: 53,827
    YTZ drew
    01-16-2021, 11:27 PM Go to last post

  18. 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: 105,224
    Shep1970
    09-28-2020, 06:35 PM Go to last post

  19. Best frame for the job

    Started by JK47, 09-07-2020 11:15 AM
    • Replies: 0
    • Views: 14,704
    JK47
    09-07-2020, 11:15 AM Go to last post

  20. 87 200x Clutch Question

    Started by jasong_10, 07-25-2020 10:35 PM
    2 Pages •
    1 2
    • Replies: 15
    • Views: 31,160
    fieldy
    07-27-2020, 10:33 PM Go to last post

  21. 1983 250r airbox hose

    Started by ATC90JAY, 07-22-2020 09:06 PM
    • Replies: 0
    • Views: 14,192
    ATC90JAY
    07-22-2020, 09:06 PM Go to last post

  22. Locked up 85 atc 70 tranny.

    Started by Russman1986, 05-03-2020 03:39 PM
    • Replies: 2
    • Views: 15,714
    ATC King
    07-15-2020, 08:32 PM Go to last post

  23. What is it ? Help

    Started by jaybird4554, 06-15-2020 07:37 PM
    • Replies: 1
    • Views: 15,556
    oldskool83
    06-15-2020, 07:51 PM Go to last post

  24. New Pipe for the 250R!

    Started by Red Rider, 05-02-2020 12:51 AM
    2 Pages •
    1 2
    27 Attachment(s)
    • Replies: 25
    • Views: 35,269
    Tri-Z 250
    06-05-2020, 09:38 AM Go to last post

  25. Extreme Pipe Repair???

    Started by TheSuperJank, 05-01-2020 12:55 AM
    • Replies: 0
    • Views: 14,787
    TheSuperJank
    05-01-2020, 12:55 AM Go to last post

  26. Best cold starting but no starting when hot and eats plugs

    Started by RickieLee, 04-14-2020 04:14 PM
    • Replies: 2
    • Views: 16,426
    RickieLee
    04-14-2020, 07:39 PM Go to last post

  27. ATC 250R - Wider Footpegs

    Started by Red Rider, 11-03-2010 08:59 PM
    2 Pages •
    1 2
    10 Attachment(s)
    • Replies: 26
    • Views: 54,706
    Red Rider
    04-14-2020, 12:35 AM Go to last post

  28. need help for choose my carb for 84200m with wiseco 10.25 /1

    Started by superjeff97500, 03-25-2020 01:46 PM
    • Replies: 0
    • Views: 14,558
    superjeff97500
    03-25-2020, 01:46 PM Go to last post

  29. 200s Build

    Started by 3wheeler_kid, 03-23-2020 10:24 PM
    • Replies: 2
    • Views: 16,859
    3wheeler_kid
    03-24-2020, 04:42 PM Go to last post

  30. Fat Cat 250sx

    Started by atc500x, 11-29-2009 10:47 PM
    3 Pages •
    1 2 3
    23 Attachment(s)
    • Replies: 40
    • Views: 65,019
    atc500x
    02-02-2020, 09:10 AM Go to last post

  31. 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: 79,661
    El Camexican
    12-30-2019, 07:15 PM Go to last post

  32. TRX250R Airbox Install on ATC250R

    Started by Red Rider, 02-13-2011 01:51 AM
    2 Pages •
    1 2
    22 Attachment(s)
    • Replies: 16
    • Views: 39,445
    Red Rider
    11-26-2019, 11:27 PM Go to last post

  33. Chain Alignment

    Started by Gabriel, 10-23-2019 10:55 AM
    • Replies: 4
    • Views: 18,467
    NeverLift
    10-23-2019, 03:04 PM Go to last post

  34. External Oil cooler atc185s case?

    Started by Laredo, 10-23-2019 08:59 AM
    • Replies: 2
    • Views: 16,171
    Laredo
    10-23-2019, 10:14 AM Go to last post

  35. 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: 50,679
    atc300r
    10-22-2019, 01:08 PM Go to last post

  36. 1986 TRX/ATC Expansion Chamber Question

    Started by bauercolton2000, 08-22-2019 02:46 PM
    • Replies: 1
    • Views: 16,032
    Tri-Z 250
    08-23-2019, 10:34 AM Go to last post

  37. 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: 45,893
    ATC-Eric
    08-03-2019, 08:38 PM Go to last post

  38. Mini Bike trike

    Started by Gabriel, 07-10-2019 05:07 PM
    • Replies: 0
    • Views: 15,080
    Gabriel
    07-10-2019, 05:07 PM Go to last post

  39. mudproof air intake gen 1 aircooled suggestions?

    Started by OldNo437, 07-02-2019 10:27 AM
    • Replies: 0
    • Views: 15,140
    OldNo437
    07-02-2019, 10:27 AM Go to last post

  40. 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: 104,770
    yaegerb
    06-13-2019, 08:09 PM Go to last post

  41. EFI on an ATC??

    Started by Gabriel, 04-30-2019 02:07 PM
    2 Attachment(s)
    • Replies: 11
    • Views: 26,933
    RubberSalt
    05-01-2019, 01:30 PM Go to last post

  42. Single wheel pull conversion.

    Started by Gabriel, 01-22-2019 03:10 PM
    1 Attachment(s)
    • Replies: 10
    • Views: 24,345
    RubberSalt
    05-01-2019, 03:02 AM Go to last post

  43. Honda engine parts interchangeability

    Started by Gabriel, 03-25-2019 02:38 PM
    • Replies: 1
    • Views: 16,141
    RubberSalt
    04-30-2019, 11:34 AM Go to last post

  44. ATC 70 + Powerwheels = electric ATC 70

    Started by ADOR, 11-11-2010 05:39 PM
    2 Pages •
    1 2
    • Replies: 15
    • Views: 48,361
    Quinc
    04-04-2019, 11:54 AM Go to last post

  45. 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: 73,630
    HorseMcHorseman
    04-02-2019, 12:02 AM Go to last post

  46. 200cc engine build......

    Started by Gabriel, 02-06-2019 04:13 PM
    • Replies: 5
    • Views: 19,249
    oldskool83
    03-25-2019, 12:41 PM Go to last post

  47. Positive Crankcase Ventilation

    Started by Gabriel, 01-30-2019 11:38 AM
    • Replies: 1
    • Views: 15,302
    big specht
    01-30-2019, 08:56 PM Go to last post

  48. 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: 62,667
    Shep1970
    01-23-2019, 02:48 PM Go to last post

  49. Hand shifter

    Started by Gabriel, 01-23-2019 12:28 PM
    • Replies: 1
    • Views: 16,149
    shortline10
    01-23-2019, 12:38 PM Go to last post

  50. 200cc engine case swapping

    Started by Gabriel, 01-07-2019 03:41 PM
    • Replies: 1
    • Views: 15,909
    Gabriel
    01-08-2019, 09:55 AM Go to last post
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