sounds like these people are really pissing you about.

I know its easy to say as its not happening to me, but i would say have your bike, when you can fix it i'll have it back, but for now its not working sort it.

and leave it at that.

Ive read of a few people that yamaha basically didnt want to know until they just left there bike there and said its not working sort it!! and then the dealer had a problem so had to fix it.

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Plough on