Oil Leak 2016 Street triple - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 11 (permalink) Old 07-14-2019, 11:59 PM Thread Starter
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Oil Leak 2016 Street triple

For a while I noticed a few drops of oil on my slip-on exhaust. Recently I discovered where it comes. The leak is super tiny and barely noticeable.

Se images below. Any suggestions?

If I take it of, change washer for a new one and put it on, will that do?
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post #2 of 11 (permalink) Old 07-15-2019, 06:29 PM
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I wouldn't bother changing washers. Take the bolt out and clean off all the oil. Use a bit of liquid gasket like permatex black or grey to seal it. That is a crank case bolt, I believe the torque spec is 32 NM. I have seen that one leak before.
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post #3 of 11 (permalink) Old 07-15-2019, 09:49 PM Thread Starter
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Thanks. Do I need to empty all the oil? When I remove it, will a lot of oil come out?


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post #4 of 11 (permalink) Old 07-15-2019, 11:21 PM
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No, the oil is down lower. Do this with the engine cold.
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post #5 of 11 (permalink) Old 07-15-2019, 11:51 PM Thread Starter
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Thanks! I just torqued it to 32Nm. I will check tomorrow to see if there is any oil around. The two other crankcase bolts close by that did not leaked where also slightly under-torqued, so I put them at 32 Nm as well.

If this doesn’t work, I will work on the weekend removing the bolt and putting sealant.


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post #6 of 11 (permalink) Old 07-16-2019, 07:28 PM
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I'd torque the oil pan and all engine cover bolts to spec as well (in the correct order). They loosen up with time, though mine seem to have stayed tight since I did the last re-torque.
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post #7 of 11 (permalink) Old 07-17-2019, 11:41 PM Thread Starter
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Leak is still there. I will remove bolt, clean and add some sealant during and torque again to 32Nm. I will do this on the weekend.

Any other suggestions are appreciated!



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post #8 of 11 (permalink) Old 07-18-2019, 09:25 AM
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Replace the sealing washer also. A good NAPA store might be able to fix you up.
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post #9 of 11 (permalink) Old 07-19-2019, 01:20 AM
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It is not a sealing washer really, and should not be leaking. Sealing washers are made from soft aluminum or copper, this one is steel. You would have to split the cases to really have a good look at where the oil is coming from. The quick fix is to use some liquid gasket around the bolt to seal it.
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post #10 of 11 (permalink) Old 07-19-2019, 10:24 AM
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Quote:
Originally Posted by dementedbrave View Post
It is not a sealing washer really, and should not be leaking. Sealing washers are made from soft aluminum or copper, this one is steel.
Good to know.
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