Originally Posted by gastro
You shouldn't judge your preload by threads showing.
I'm not. I'm judging it by sag.
BUT, the link to the owners manual was very handy. It looks like someone swapped the shock or something, because according to the manual, it can't be an R because it has no dampening adjuster. So I think it's just a plain Vanilla (no pun intended). The spring is marked 500#1.6