1976 Bonneville T140V

Discussion in 'Technical Help' started by Jezr, Mar 19, 2016.

  1. Jezr

    Jezr New Member

    Mar 16, 2016
    1
    3
    Bath
    #1 Jezr, Mar 19, 2016
    Hello

    I have recently joined and have a 750 Bonneville powered Triton cafe racer that I'm re-building.
    I lost some new carbs I bought about 20 years ago! Can anyone advise on a good pair of carbs for this 1976 Bonneville T140V. The CR is upped to 10.5:1 if that makes a difference. I guess the originals were Amal inch and half's? Also can I buy a custom wiring loom and if so who supplies? Many thanks. Also - alternator? oh sorry I forgot - replacement parts for Triumph front twin leading shoe brake assembly and norton rear drum. It goes on!
     
  2. stevethegoolie

    stevethegoolie Elite Member

    Oct 16, 2014
    2,456
    800
    East Riding of Yorkshire
    #2 stevethegoolie, Mar 19, 2016
    Have a look at www.amalcarb.co.uk for new concentrics. They will probably know what you will need. The newly manufactured carbs are (allegedly) better than the originals.
    As for the other bits you could try looking at the ads in Classic Bike, Classic Bike Guide or any other classic bike magazines or web sites. Google is your friend (sometimes!).
     
  3. Jezr

    Jezr New Member

    Mar 16, 2016
    1
    3
    Bath
    #3 Jezr, Mar 19, 2016
    Thanks for that advice. I wasnt sure Amal is the way to go as there are some Japenese carbs I recall, name slips me.
     
  4. sprintdave

    sprintdave Nurse, think it's time for his medications.
    Subscriber

    May 25, 2014
    1,643
    750
    Birmingham
    #4 sprintdave, Mar 20, 2016
    mikuni probably, also keihin but miks seem to be popular on older bikes from what i see elsewhere
     
  5. Jezr

    Jezr New Member

    Mar 16, 2016
    1
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    #5 Jezr, Mar 20, 2016
    Thanks - Mikuni is the name I had forgotten. Better than Amals would you say?
     
  6. sprintdave

    sprintdave Nurse, think it's time for his medications.
    Subscriber

    May 25, 2014
    1,643
    750
    Birmingham
    #6 sprintdave, Mar 21, 2016
    They seem to be the way to go, I am no expert tho and would not pretend to be. One concern i have is that I have miks on my old Sprint and it is very thirsty, for my bike keihins are better for fuel consumption, having said that the carbs have done 45000 miles so are bound to be worn and are 20 yrs old to boot.
    If you want it to look more original obviously amal are the way. I always found amal to be easy to play with but that was a few years ago
     
  7. Jezr

    Jezr New Member

    Mar 16, 2016
    1
    3
    Bath
    #7 Jezr, Mar 21, 2016
    thanks
     
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