On the XT they are easy, you only need to connect to one tube, and all you do is cut it and then place a T connector in and bobs your uncle.

Placing the oiler unit and tubing takes the longest but about 1hr or 1hr 30mins should do it depending on where you put it.

You dont even need to take the tank off which is a god send as i had to take the tank off my dads Triumph tiger 1050 which is a real *****.

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Plough on