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1986 FXSTC with 1340 Evolution motor

Discussion in 'Motorcycle Tech Talk' started by Tommyc, Feb 2, 2012.

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  1. Tommyc

    Tommyc Active Member

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    Is anyone familier with these soft tail custom models?
    What is your experience with them?
    I'm looking for an Evo project bike like this. Can it be converted to a fatboy type bike?
    The guy wants about $6k for his. It has a gas tank leak and brake leak too. She pukes oil sometimes also.
    Any opinions for me to consider?
    Should I stick to shovelheads or is this a good project idea?
    Thanks guys!!
    TC
    Tommyc, Feb 2, 2012
    #1
  3. HicCup

    HicCup Banned A-Hole

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    Where it puken from? There an overflow on the right side? If so, that is what it is for. I looked at an EVO and it did the same thing. I wasn't to worred bout it.
    HicCup, Feb 2, 2012
    #2
  4. Tommyc

    Tommyc Active Member

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    Yes, it's fcoming rom the crankcase vent.
    Tommyc, Feb 2, 2012
    #3
  5. cowboy

    cowboy Moderator Staff Member

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    Yes it can be swapped over the evo is basicley a up dated shovel
    But $6k is high for all you say is wrong with it , I bought my 94 softail custom all origanel for $5k & ride it all over
    cowboy, Feb 2, 2012
    #4
  6. hotroadking

    hotroadking Super Moderator Staff Member

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    Yep you can convert it to whatever you want, even make it a fake bagger with
    the stuff you can buy today.

    Evo is a good engine, if it's in decent shape, not much hop up material in the ol stock 80, a mild cam, head port, some pistons and pipes about it. Can't bore it out or jump it up to the next size without boring the cases.

    If it's puking oil my guess is the checkball in the cam case is stuck in the open
    position and the oil is seeping into the cases filling them. Let it run about 10 min and watch the oil in the tank, check to see if it's low first, then watch it fill back up
    as it runs. if all works well then you'll need to pull the cam cover (which requires taking the pushrods out or you'll never get the cover back on) and fixing the check ball.

    Offer him $5 and duck...
    hotroadking, Feb 2, 2012
    #5
  7. Tommyc

    Tommyc Active Member

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    Thanks.
    Was '86 a good year for the Evo motor?
    I think someone said '85 was good a year.
    Any know problems with the '86's??
    Thanks for your input guys.
    Tommyc, Feb 2, 2012
    #6
  8. hotroadking

    hotroadking Super Moderator Staff Member

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    The later years mid 90's had all the upgrades and fixes,

    The Evo came out in 84, so you are in Gen 1 first editions
    for the Evo, it won't have any of the internal fixes that
    typically follow the cycle of a product until it ended in 99 for FL
    00 for Softail..

    Nothing wrong with it design wise.

    http://en.wikipedia.org/wiki/Harley-Davidson_Evolution_engine
    hotroadking, Feb 2, 2012
    #7
  9. Tommyc

    Tommyc Active Member

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    Thanks HRK!
    Tommyc, Feb 2, 2012
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  10. HicCup

    HicCup Banned A-Hole

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    I notice that when the bik run fer a bit that the puken go away.

    Has this bike sit fer awhile? TC?
    HicCup, Feb 2, 2012
    #9
  11. Tommyc

    Tommyc Active Member

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    yes HicCup. The shovels and Evo do that sometimes after sitting for while without being started.
    Tommyc, Feb 2, 2012
    #10
  12. HarleysLR

    HarleysLR Active Member

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    I have a split fatbob tank and front wheel off a fatboy and a fatboy seat pan and the foam padding, used the seat cover on another fatboy I had. Also have stock fatboy pipes. Maybe some other stuff.
    HarleysLR, Feb 2, 2012
    #11
  13. Tommyc

    Tommyc Active Member

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    Tommyc, Feb 2, 2012
    #12
  14. Lucifer

    Lucifer Well-Known Member

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    '84 to '99 were good years for Evos...Softail is a Softail all you gotta do is change the front end to Fatboy or Heritage or whatever you want....
    Lucifer, Feb 2, 2012
    #13
  15. cowboy

    cowboy Moderator Staff Member

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    luifer , do all the engine parts inter change? I knew that a softail is a softail part for evos
    cowboy, Feb 2, 2012
    #14
  16. HarleysLR

    HarleysLR Active Member

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    The seat pan is off a 96 Fatboy, HD changed the pan in 95, it is just a little different, tank and fenders are off a 96 Fatboy, wheel is off a 2005 Fatboy it will fit cause I put the wheel I had on the 96 on the 05. You just have to use the spacers of an 00 - 06.
    No pictures of the fender, it matches the tanks, no pin stripping on fender, front fender is damaged and is Silver, I have been told it is repairable.

    Attached Files:

    HarleysLR, Feb 2, 2012
    #15
  17. Tommyc

    Tommyc Active Member

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    Thanks for the pics LR.
    Tommyc, Feb 3, 2012
    #16
  18. Lucifer

    Lucifer Well-Known Member

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    Most ,but not all...there are some differences in the bottom breathers and head breathers
    Lucifer, Feb 3, 2012
    #17
  19. cowboy

    cowboy Moderator Staff Member

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    Thanks lucifer I'll have to check into that
    tommy c i was just on the san antiono TX c list & theres a real clean 86 softail for $4600 add says runs good pics make it look good & happy birthday tommy
    cowboy, Feb 3, 2012
    #18
  20. Tommyc

    Tommyc Active Member

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    Thanks Cowboy!
    Tommyc, Feb 6, 2012
    #19
  21. cowboy

    cowboy Moderator Staff Member

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    Anytime , tommy surf C list around FL if you don't want to travel I found my 94 softail 300 miles & almost 2 k cheaper then around here , the only work I did was dump the handle bars he had on it & clean up the factory leather bags
    cowboy, Feb 6, 2012
    #20
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