The dreaded front sprocket nut!

[fazersharp]

I found the tech bulletin where Yamaha accept the problem and advise dealers to change to nut, but I notice that they only think there was a problem with '99 models onwards, if I had said it was a '99 and not a '98 would I have got a different answer from the guy on the parts desk I wonder?


I also noticed that the bulletin was issued by Yamaha USA, were the UK dealers similarly notified?


I'll go down the dealers and see what response I get claiming it's a '99 model, and then order the part number in the ebay listing anyway.

It will come off if it has been replaced in the past and not correctly torqued with properly bent washer tabs and lock thread whatever the year, so yours (im assuming has had them replaced from factory fit )  would be down to user error. ( They would say )

Here is what I have