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Viewing 7 posts - 1 through 7 (of 7 total)
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  • in reply to: Help ! Why is my Scott running so badly ? #14767
    Adriangv
    Participant

    It’s just a thought but have you checked your centrifugal timing control? Are the bob weights piviting on their pins are the springs in good or good enough condition?
    Hiding as they do under the points they some times get overlooked; which reminds me, I really should check on mine.
    Adrian
    Brum Scott

    in reply to: HELP! Birmingham Scott won’t start ?? #12253
    Adriangv
    Participant

    I used a ‘ES13-6 Westco Motorcycle Battery 6V 13 Ah’
    From Tayna Batteries
    http://www.tayna.co.uk
    It is an Advanced Glass Mat (AGM) battery it fits well though the edges are not rounded
    it cost £36-57

    in reply to: HELP! Birmingham Scott won’t start ?? #12233
    Adriangv
    Participant

    Have you tried using a new set of plugs? Plugs that spark well in the open air sometimes fail under compression so it is worth fitting a new pair.

    Adrian

    in reply to: Ammeter not showing charge #14674
    Adriangv
    Participant

    Thanks, I will try swapping the leads over.

    in reply to: Ammeter not showing charge #14672
    Adriangv
    Participant

    My bike came as standard with just a selenium rectifier. The battery I guess, was meant to be the regulator. The problem for me with this system is if the bike is taken for a long run, then at best the battery will overcharge and at worst the battery may boil. This overcharging will shorten the life of a battery and spread acid fumes on to the paintwork. I am no electrician so I may be wrong but that is what I think happens. I have junked the selenium rectifier a design that has been about since the 1880’s and replaced it with 6v Alternator Regulator/ Rectifier, this comes wit a heatsink. This rectifies the current to DC and also regulates the current so that the battery does not overcharge.
    I was just surprised that after fitting it, the ammeter ceased to work properly only showing discharge. The battery itself is charging fine which has me even more perplexed. I wondered if anyone has a solution.

    in reply to: Ammeter not showing charge #14670
    Adriangv
    Participant

    It’a a Miller alternator

    in reply to: Zener Diode on Brums #14035
    Adriangv
    Participant

    Hi,
    I have a 1969 Brum Scott. It did not have a Zenner diode fitted. Just an unregulated 6 volt system.
    Adrian

Viewing 7 posts - 1 through 7 (of 7 total)