Featured Triumph Bonnie Owner At Last-t140 Project

Discussion in 'Builds & Projects' started by RayV, Apr 14, 2021.

  1. Iron

    Iron Guest

    Ray, good on you. Keep up with the photos and progress I'm enjoying watching it come along. We'll help where we can.
     
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  2. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    Bit more done, great fun so far!

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  3. Iron

    Iron Guest

    The clutch and basket came off ok then? Sometimes these are a real bugger. Progressing well...
     
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  4. darkman

    darkman Crème de la Crème

    Oct 26, 2015
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    Great work :) used toilet roll centers make good rod protectors and they squeeze down in the crank webs when splitting cases.
     
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  5. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    Yes I must have been lucky, I locked up the primary with a bit of wood and the nut came off ok. I used a puller I bought to get the clutch off and it worked a treat, so all good so far, very enjoyable. Probably never run again though!
     
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  6. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    Thanks for that, good idea!
     
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  7. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    Ok but of a delay but back to it today and now the cases are split. All good so far, just wondering if the marks around the main bearing positions is machined in the factory or a sign of the crank catching the cases? No sign of anything on the crank itself so any advice gratefully received. Cheers.

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  8. darkman

    darkman Crème de la Crème

    Oct 26, 2015
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    Machine work on the cases is normal :)
     
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  9. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    Thanks, that’s a relief!
     
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  10. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    Despite being what I thought was careful with covering my con rods I have found small marks on them-is this a problem?

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  11. darkman

    darkman Crème de la Crème

    Oct 26, 2015
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    I always remove and small nicks with fine emery and re polish if i have to but i normally like to fit new rods.
     
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  12. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    As I am extremely tight I will polish it out, as new rods are a bit costly-or is that a false economy? I don’t want to keep going into the bottom end so maybe I should bite the bullet while I am in there? I will only use the bike for general road use so do you think it would be ok?
     
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  13. darkman

    darkman Crème de la Crème

    Oct 26, 2015
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    I always fit new if building a motor for my self but have used old rods cleaned up and polished when a customer has said that's what they want without any problems, very rare for a rod to let go if its not over revved.
     
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  14. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
     
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  15. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    Well I am definitely not planning on going mad on it, so I think I will use these ones once I have them looking nice. The big ends look good and are standard size so that’s good news

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  16. andyb57

    andyb57 Senior Member

    Apr 15, 2017
    284
    113
    Devon
    Enjoying watching you dive in deep..... To my unprofessional eye it looks surprisingly good inside the cases!
    I opted for a Morini project last year, nice bike and great to work on but my itch for a Brit project hasn't gone away and seeing what you are up to has got me thinking hard. Maybe it's time to sell the Morini and find a bike like yours. Thanks for the inspiration - I think!
     
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  17. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    You are welcome! I may have been lucky so far but it’s been very enjoyable and there is loads of stuff available for these bikes which makes things easier and a very helpful bunch of owners to point me in the right direction, which I definitely need as I have never done anything like this before !
     
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  18. Iron

    Iron Guest

    Rods should be fine with a bit of spit and polish. Shells are really cheap though, so get them renewed just as a matter of course.
    You can't stop there, the sludge trap plug really needs to be taken out. Then the sleeve and a clean of all oilways. Assuming sleeve is ok then just a new Allen key plug and centre punched.
     
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  19. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England

    Oh yes Sludge Trap Fans, it’s nearly time to whip out the plug, simply remove and clean the trap and pop it back together with a shiny new hex type. That’s the plan! Reality may bite hard here, I have read horror stories about getting these out involving broken bits, nuts being welded on and all sorts of woes. I have everything crossed, wish me luck!

    Thanks for the advice, I will fit some new shells while I am at it and replace all the bearings. Sounds easy enough
     
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  20. RayV

    RayV Well-Known Member

    Apr 16, 2019
    120
    83
    NW England
    The little laughing emoji didn’t appear! I don’t expect it to be easy but I am hopeful it will be ok
     
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