Wards 350 Oil Filler Plug Solution
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Thread: Wards 350 Oil Filler Plug Solution

  1. #1
    Junior Member
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    Andy Whitaker
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    Wards 350 Oil Filler Plug Solution

    Having had both the original and a NOS replacement Bakelite oil filler plug decide to break off and leave the threaded portion in the engine followed by a nerve wracking retrieval of the remains I decided on a better engineered solution.

    A web search revealed brass nickel plated M25 x 1.5mm pitch electrical blanking plugs available from a famous UK electronics component distributor or from eBay. Cheap enough, well made and combined with a 24mm Viton 'O' ring seemed to offer a neat looking replacement which can be undone with a 50p coin at the roadside (see picture).

    Cheers

    Wards350


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    ron d likes this.

  2. #2
    FBM
    FBM is offline
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    well done. did you address a dipstick?

  3. #3
    Junior Member
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    Andy Whitaker
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    Thanks. This model doesn't run a dipstick - would get nicely ground up in the gearbox(?!) but has a sight glass to the wet sump instead. Quite ahead of its time and very useful in my opinion.

    Andy

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  5. #4
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    Andy, A very nice solution. Looks great. Why do you think the original plugs kept breaking off? Joe

  6. #5
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    Andy Whitaker
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    Thanks Joe. Not sure why both broke as always hand tight. Original had been on bike since ‘68 and broke off (fortunately) during the rebuild. NOS one had obviously degraded with time and the thermal cycling did for it?!
    Andy

  7. #6
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    Okay Andy. I'll take a critical look at my orig. plug.
    Thanks for posting your nice upgrade.
    I've got another oil question, but I'll start a new thread for it.
    Joe

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