BSA 420cc engine

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  • April 29, 2017 at 7:04 am #25057
    vhgmcbuddy
    Member

    Have a bsa 420cc engine I am trying to rebuild having problems with removing rope start pully , any advice. New to this club so hi to all. Thanks

    April 29, 2017 at 8:07 am #25058
    trusty220
    Keymaster

    How far have you got so far? Some pictures would be a great help, but remember to downsize them using Shrinkpic (instructions at top of menu).

    April 29, 2017 at 8:24 am #25060
    charlie
    Keymaster

    The BSA E and G engines are 420cc, looking at the diagram in the parts list it looks as if pulley is held on by large nut on end of crankshaft. Instruction manual does not sat anything about removal.

    April 29, 2017 at 8:17 pm #25076
    hortiman
    Participant

    Just a thought, could it be left hand thread??

    April 30, 2017 at 8:02 am #25083
    vhgmcbuddy
    Member

    Thanks guys, no large nut , obviously threaded end thinking left hand thread is probably it. Thanks hortiman. Will give it a try and see.

    April 30, 2017 at 8:14 am #25084
    charlie
    Keymaster

    demaskie if you could post a photo it would help us see what the problem might be.

    April 30, 2017 at 9:14 am #25086
    vhgmcbuddy
    Member

    Will do Charlie, out working today put some up when I get home.

    April 30, 2017 at 9:18 am #25087
    vhgmcbuddy
    Member

    Anyone know the best place to get the magnito repaired. Never done one and don’t want to trash it.

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