The ABS Ten was not very popular in the UK and they only sold a handful in the year it was sold, so information is a bit thin I'm afraid. They do seem more popular in Scandinavia though, can you actually even buy the non-ABS version new?

Anyway, I don't have an ABS model, but if I did, I'd probably go down the route of cutting the +12V feed to the ABS pump and fitting a relay to switch the supply to the pump controlled by a bar mounted switch.

There seems to be a lot more discussion regarding disabling the ABS on the 1200. Here's one such method that I see no reason shouldn't work on the 660?

http://xladv.com/articles/_/articles/yamaha-super-tenere-abs-disable-switch-r28

and be sure to post whatever solution you come up with for others to reference.

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