Honda trial engine swaps

Discussion in 'Some Assembly Required' started by _T(A)i(N)T_trail90, Oct 18, 2017.

  1. _T(A)i(N)T_trail90

    _T(A)i(N)T_trail90 n00b

    Joined:
    Jun 21, 2017
    Oddometer:
    3
    A few months ago i heard my uncle had been rebuilding one of my grandfathers old trial 90's, when i talked to him about it he offered the project to me.

    A few months and a couple hundred dollars debt to my parents and i now have a 1975 honda trail 90 with a lifan 125cc semi auto engine swapped into it. Running but not yet ridable and a fair ways away from street legal

    I would love to see what everyone else has done with their old honda trail bikes 20171018_194328.jpg
    #1
    PTC likes this.
  2. tntmo

    tntmo Oops, I did it again.

    Joined:
    Jan 31, 2012
    Oddometer:
    913
    Location:
    San Diego, CA
    I'm working on one with a Honda 125M ATC (three wheeler) engine in it. 12V, CDI ignition, electric start and dual range....good stuff if I ever get it done.
    #2
  3. CA_Strom

    CA_Strom Cunning Linguist

    Joined:
    Jan 13, 2005
    Oddometer:
    4,938
    Location:
    The Temples of Syrinx (So. CA)
    I've got a 1965 ct200, the early ct90... I did a Lifan 125cc swap a couple of years ago and it has been great. I used a Honda ct110 exhaust and was able to keep the original heat shielding from the '65. I added a 12v-6v rectifier from Dr. ATV, so all OEM wiring remains and all electrics work. No issues at all, and that Lifan 125 runs strong! I'll try to post up some pics later.
    #3
  4. Salsa

    Salsa Long timer

    Joined:
    Dec 12, 2006
    Oddometer:
    1,020
    Location:
    Arizona, Alaska, Kalifornia
    I went to the DMV with the first picture and finished with the last picture. CT200YX160 RSide.JPG

    YX160 Right Side.JPG
    #4
  5. greasyfatman

    greasyfatman Long timer

    Joined:
    Oct 18, 2014
    Oddometer:
    1,596
    Do you have a build thread. I have seen your picture a few times. I would like to know more please.
    #5
  6. CA_Strom

    CA_Strom Cunning Linguist

    Joined:
    Jan 13, 2005
    Oddometer:
    4,938
    Location:
    The Temples of Syrinx (So. CA)
    Here’s some pics of my 1965 ct200 Lifan 125 swap. I still need to engineer a bracket to put the factory skid plate back on. A46DCFE6-89AE-4F80-BAE1-2E4F6BD37686.jpeg A1A70120-BE19-43A7-909B-AB819AE398AE.jpeg ED10EE0F-D83E-4CB4-BAA3-18EC0C1194A2.jpeg 0DDF59C0-393D-48E9-9FE2-82564B7C466C.jpeg
    #6
    JagLite likes this.
  7. GR0NK

    GR0NK Got some screws loose!

    Joined:
    Sep 24, 2006
    Oddometer:
    7,343
    Location:
    Stuck in 80s
    #7
  8. _T(A)i(N)T_trail90

    _T(A)i(N)T_trail90 n00b

    Joined:
    Jun 21, 2017
    Oddometer:
    3
    Update on my build:
    Took it for a quick spin down my alley yesterday, runs pretty well, still very bare bones

    Things left to do:
    -Lengthen chain
    -Chain guard, rack, mirrors, make stock air box work, grips
    -All new 12v wiring and lights

    Attached Files:

    #8
    CA_Strom likes this.
  9. _T(A)i(N)T_trail90

    _T(A)i(N)T_trail90 n00b

    Joined:
    Jun 21, 2017
    Oddometer:
    3
    IMG_20180603_202953_430.jpg
    #9
    CA_Strom, JagLite and invisa-bill like this.