Author [NL] [FR] [ES] [DE] [SE] [IT] Topic: Oil Filler Cap Threads?  (Read 5254 times)

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  • Offline Rick505   us

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    Offline Rick505

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    Oil Filler Cap Threads?
    on: Oct 13, 2019, 07.58 pm
    Oct 13, 2019, 07.58 pm
    If this is listed someplace I'll again be embarrassed but can anyone tell me the thread size for the Oil Filler cap?   :034:

    I believe it's part T1261053 for "our" bikes.

    I'm thinking of 3D printing something that will fit the filler and would rather thread it in than a taper.

    Thanks,


  • Offline Coconut   gb

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    Re: Oil Filler Cap Threads?
    Reply #1 on: Oct 13, 2019, 09.09 pm
    Oct 13, 2019, 09.09 pm
     :440:Hi Rick505,

    That's the correct Part Number you quoted - They cost about £6.00 from a Dealer,
    and then there's the O-Ring ( T3600163 ) which is another £2.00 ish.

    I just went and measured mine for you - It's M19 x 2.5 pitch,
    and is 15mm long from underneath the sealing shoulder to the tip.

    Have you lost yours ?

    The O-Ring is M19 x 3.0.

    Cheers  :821:


    Last Edit: Nov 24, 2019, 01.22 pm by Coconut

  • Offline Rick505   us

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    Offline Rick505

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    Re: Oil Filler Cap Threads?
    Reply #2 on: Oct 13, 2019, 09.37 pm
    Oct 13, 2019, 09.37 pm
    Well, I just screwed the factory plug into an M22x2.5 nut I had and it fit but certainly not "tight".  It would not fit into an M20x2.5 nut at all.  If the seal/washer has an m19 diameter it would seem the threads would be larger since they fit on the inside of the plug threads.

    I have it but want to 3D print an adapter for an oil bottle since my funnel will not extend far enough into the hole to be stable/secure for me to walk away with confidence when filling. 

    Over-engineered part to pour oil into the engine.  Toyota has them for some of their engines at a price.

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    Offline Saddle Tramp

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    Re: Oil Filler Cap Threads?
    Reply #3 on: Oct 13, 2019, 11.27 pm
    Oct 13, 2019, 11.27 pm
    *Originally Posted by Rick505 [+]
    Well, I just screwed the factory plug into an M22x2.5 nut I had and it fit but certainly not "tight".  It would not fit into an M20x2.5 nut at all.  If the seal/washer has an m19 diameter it would seem the threads would be larger since they fit on the inside of the plug threads.

    I have it but want to 3D print an adapter for an oil bottle since my funnel will not extend far enough into the hole to be stable/secure for me to walk away with confidence when filling.

    Rick505, we must be twin sons of different mothers.
    If you figure it out let me know, and I might have you make a couple right away.  :169: 



  • Offline Coconut   gb

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    Re: Oil Filler Cap Threads?
    Reply #4 on: Oct 14, 2019, 06.18 am
    Oct 14, 2019, 06.18 am
    Rick505,

    When I measured mine, the outside diameter of the threads was 19mm, and the Pitch was 2.5mm.

    Metric threads are specified by the outside diameter of the threaded shank ( D ),
    and the Pitch ( P ) is the distance between each "peak" of the thread.

    I can't for a moment imagine that you have a different size,
    and would suggest measuring the actual plug fitted to your Trophy to make sure !

    O-Rings are specified by their Internal Diameter and thickness.

    The size of the O-Ring M19 x 3.0 was taken from the Triumph Parts List description.

    Last Edit: Nov 24, 2019, 01.22 pm by Coconut

  • Offline Rick505   us

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    Re: Oil Filler Cap Threads?
    Reply #5 on: Oct 23, 2019, 04.47 pm
    Oct 23, 2019, 04.47 pm
    I was able to make what is basically a bolt with a tapered hollow to allow my funnel to fit inside somewhat snugly.  I will probably still tweak the file since the threads certainly donít need to be over an inch long and could work as well shorter.  The Hex portion could also be reduced but might be nice with oily fingers.

    I took a M20x2.5 bolt and reducing the diameter to 95% and it screws in fine.  I was never able to take a M19 thread work correctly.  So apparently the reduced 20mm yielding 19mm did work.  :084: I admit probably an issue with dimensional accuracy and my printer.





    This is the type of funnel I generally use so tried to create a taper to match.

  • Offline HACKLE   au

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    Re: Oil Filler Cap Threads?
    Reply #6 on: Oct 24, 2019, 12.52 am
    Oct 24, 2019, 12.52 am
    Rick505. Mate you obviously lead a very busy lifestyle that requires you to multi task. I learnt that phrase from my wife, didn't know it till I married her.
     Anyway getting back to your problem, I would much prefer to sit and hold the funnel in place whilst pouring in the oil to alleviate the problem of the oil overflowing. But then I thought about your problem and it dawned on me that you don't have a busy lifestyle at all.
     If you've got the time to 3D print a bolt to fit the oil filler hole you got plenty of time. Then the "penny finally dropped". You just like 3D printing.
     I wish I had your resourcefulness and time, sorry, patience to work out an easier way to put oil into your Trophy. I commend you.  :745: :745:
    HACKLE     I'm too young to be this old.

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  • Offline 1675   gb

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    Re: Oil Filler Cap Threads?
    Reply #7 on: Oct 24, 2019, 09.50 am
    Oct 24, 2019, 09.50 am
    Not that it really matters for a job such as this, but I reckon the oil filler plug is M20 x 2.5. M19 is not even listed in any of the thread data books I have. My plug measures 19.31mm across its crests and this is normal for something made from plastic which is a loose fit in its hole. In addition, the female thread has a minor diameter of 17.50mm which is the correct "tapping size" for an M20 x 2.50 plug. But the job got done and that's all that counts!

     



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