Street Twin Oil Gallery Plug Leak/identification?

Discussion in 'Technical Help' started by triumphant_rider, Jun 9, 2024.

  1. triumphant_rider

    triumphant_rider New Member

    May 21, 2024
    1
    3
    Australia
    Hello to all. I posted last week about a tiny oil leak coming from the clutch actuator arm area. There was definitely a leak there but have fixed that leak (with a new seal) however it seems that there is also another one elsewhere.
    After taking the bike for a long ride, parking it in the garage and then next day, I had noticed that some oil trickled down onto the silver exhaust guard which I suspect the source was the large allen bolt directly above that muffler guard, seeing as I had to dry the oil off it, and MAYBE the hex bolt to the left of that too, as seen in the attached photos, as that had some oil on it too.
    I can confirm that it is not excess oil, as I washed the bike thoroughly before riding it and can also confirm that it is not from the clutch cover gasket, as that is dry around the entire mating surface.
    I can also confirm that both bolts are tightened fully.

    So I'm just wishing to know a few things.
    1. Is anyone able to identify these bolts/parts? Is the allen one an oil gallery plug? Part numbers?, etc. I can't seem to find them on the parts diagram.
    2. What would be the best/easiest fix for it? I can only guess at this stage, until confirmed, that it's high temp & oil resistant thread sealant?
    3.Should I replace the washers around the bolts also?
    And 4. The bolt to the very left, also circled in red, do I also apply that same fix (whatever it may be), to it too?

    It's a Triumph Street Twin 2021.

    If possible I'd like to get confirmation and start the fix either tomorrow or the day after as later this week I have a couple days off and would just like to ride, oil leak free. So I appreciate any help/answers I can get, as quickly as I can get.
    TIA

    20240609_135907~2-red-circles.jpg

    20240609_135900~2.jpg
     
  2. Pegscraper

    Pegscraper Elite Member

    Jun 12, 2020
    3,504
    800
    Yorkshire
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