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These can be a bit of a pain.

http://www.apriliaforum.com/forums/show ... ost3236709

This was just posted up on AF1, & it prompted me to have a quick search for potential UK sources of a similar, improved product; these were the first results.

http://shop.motorsport-developments.co. ... -344-p.asp

http://www.pro-bolt.com/titanium/titani ... H3qI2-aW-k


http://www.mandp.co.uk/productinfo/5037 ... Drain-Bolt


However, I can't be certain if those I've listed above are the correct length; does anyone happen to know the overall length of the OEM plug, or have a spare one they could measure?

It say M12 x 12 in the same AF1 thread you link to:
http://www.apriliaforum.com/forums/show ... ost3237722

Several sources:
http://www.ebay.co.uk/sch/i.html?_trksi ... &_from=R40

Not sure it is that vital on dry sump motor.
I am pretty sure there is one on the oil tank, (the long plug), and this is where the oil "lives".

HowardQ wrote:Not sure it is that vital on dry sump motor.
I am pretty sure there is one on the oil tank, (the long plug), and this is where the oil "lives".

Manual tells you to drain from both

SimonDk wrote:It say M12 x 12 in the same AF1 thread you link to:
http://www.apriliaforum.com/forums/show ... ost3237722

Several sources:
http://www.ebay.co.uk/sch/i.html?_trksi ... &_from=R40

I think that refers to the length of the threaded part, not the overall length?

Does anyone know if OEM i has a tapered thread?

Edit. It is a taper thread