Speed Twin 5ta Gearbox Problem

Discussion in 'Technical Help' started by KeithTween, Mar 25, 2024.

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  1. KeithTween

    KeithTween New Member

    Mar 24, 2024
    0
    1
    Retford
    I have a problem with my 1964 5TA, when engine is running or off, if I select 1st gear and pull in clutch lever, the bike will not roll backwards; the kickstart mechanism engages and the kickstart locks progress backwards when it jams up against footrest.

    I have dismantled gearbox twice now and all the kickstart mechanism and pawl all look in perfect condition. What can be causing this lock up?
     
  2. Bolosun

    Bolosun Well-Known Member

    Aug 25, 2020
    222
    93
    Crewe/Cheshire
  3. darkman

    darkman Crème de la Crème

    Oct 26, 2015
    7,575
    1,000
    Southcoast of the UK Earth
    1964 was the first year that the kickstart shaft had internal roller bearing for the layshaft, it's normally this that causes your problem.
     
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