I tried nipping up the drain plug and have stripped the thread:rage: I feel like there may be extra good thread behind the front 7mm that has stripped. Which means I may be ok using a drain plug/screw with a longer M10 x 1mm pitch thread. The standard drain plug has 8mm below the head with a 1mm thick washer. Has anyone had to overcome this problem before? Found a good solution? I would rather not go down the helicoil/screwed insert road if I don't have to, as it is only a drain plug.
Sorry, I'm not familiar with it. All the Ducatis I have dealt with have had an M6 screw at the bottom of the water pump cover for draining the coolant.
Have you got a spare banjo bolt you can try (most brembo MC's are 10x1) just to see if the deeper threads are good
The plug head only uses a small Allen key but I'm pretty sure they're bigger than M6 thread :Bookworm:
Yes it is definitely M10 x 1mm pitch. The head diameter is small than an M10 Cap head screw. Hexagon socket is the same size as the M6 engine screws. Banjo bolt is a good tip. I have borrowed a gauge so hope to get a better idea on the thread condition tonight.
Deeper threads are perfect and there are 5.5mm of them which is plenty for this application. Just need to get the optimum M10 x 1 screw now. I have the cover off now. Why is there a coating on the inside? Is it a friction free coating?
Sorry, just spotted your reply. I didn't have a banjo bolt to try but I would think it would work. However because of the poor quality of the thread in the cover, I had a screw made to give a tightish fit.
