It's great, a perfect fit in the axle end, and takes up no room at all in the toolkit. I didn't like the idea of carrying round a huge, single-purpose Allen key just in case. Also, I like to torque things up correctly, at least while I am at home, and it's nigh impossible to do that with a plain old Allen key. With 3/8" drive, all my ratchets, bars and the small torque wrench will fit.
Just think, it would have cost Yamaha around a quid to put one of these in the owner's toolkit and saved us all the bother.
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