Agm Battery For 71 Tr6r?

Discussion in 'Vintage Classics' started by James E Preuss, Jan 30, 2020.

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  1. James E Preuss

    James E Preuss Member

    Jul 10, 2019
    34
    13
    Kirkwood, MO
    #1 James E Preuss, Jan 30, 2020
    The current (no pun intended) battery in my 1971 Tiger TR6R is a Yuasa YB7L-B lead acid type and it is dying. It measures approx. 5 5/8" L, 2 7/8" W and 5 5/9" H. There is room for a slightly larger battery.
    I have AGM batteries in most of my vehicles and would like to find out which is the largest Absorbent Glass Mat battery that will fit. The original specification calls for a Lucas PUZ5A, which is NLA.
    Does anyone have an AGM battery in his/her 71 Tiger? If so, what is the model/brand and how well does it fit?
    Thanks,
    Jim
     
  2. Wishbone

    Wishbone First Class Member

    Nov 4, 2018
    866
    643
    Essex UK
    #2 Wishbone, Jan 30, 2020
    Until someone confirms their Agm batteries in TR6R, have a look at Tayna batteries, they give all the dimensions of their modern batteries and may even have a recommendation for your bike?
     
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  3. feckless

    feckless Noble Member

    Apr 16, 2019
    1,042
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    Cumbria
    #3 feckless, Jan 31, 2020
    most agm batteries have the same dimensions as the old acid equivalents probably a B7 series for the old trumpet.
    ps why do you need a big battery as it is only powering the coils ??
     
  4. James E Preuss

    James E Preuss Member

    Jul 10, 2019
    34
    13
    Kirkwood, MO
    #4 James E Preuss, Jan 31, 2020
    I always buy the largest battery I can fit into my vehicles since I am not able to drive each one as often as I would like, ergo, each battery will be inactive for days or even several weeks. I keep a trickle charger on each to maintain a decent charge.
    Plus my Tiger has turn signals and lights in addition to the twin coils.
    I have found the MotoBatt MB9U battery as the best AGM replacement. MotoBattMB9U .jpg
     
  5. feckless

    feckless Noble Member

    Apr 16, 2019
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    Cumbria
    #5 feckless, Feb 1, 2020
    seems like you have answered your own question James
     
  6. James E Preuss

    James E Preuss Member

    Jul 10, 2019
    34
    13
    Kirkwood, MO
    #6 James E Preuss, Feb 1, 2020
    Obviously. This thread should be closed.
     
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