To cut a long story short, there are issues with original size 9mm front sprocket nuts, ie: they fall off, weld themselves on, strip threads, etc.
So it's in your best interest to replace it with the new 12mm nut and washer kit, for peace of mind, and the recommended torque for the new one is 90Nm.
PLENTY of info on here bout it, just do a search above for "front sprocket nut" and fill yer boots.
NOTE: Part number for the kit is [size=1em]90891-10124 and can be bought from Wemoto, Fowlers of Bristol or AJ Sutton, or any Yamaha dealer.[/size]
So it's in your best interest to replace it with the new 12mm nut and washer kit, for peace of mind, and the recommended torque for the new one is 90Nm.
PLENTY of info on here bout it, just do a search above for "front sprocket nut" and fill yer boots.
NOTE: Part number for the kit is [size=1em]90891-10124 and can be bought from Wemoto, Fowlers of Bristol or AJ Sutton, or any Yamaha dealer.[/size]
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