Joined: Jan 2008
Posts: 23,642
Likes: 1,106
From: Mans of NC & SW UT Desert
Bikes: 86 Katakura Silk, 87 Prologue X2, 88 Cimarron LE, 1975 Sekai 4000 Professional, 73 Paramount, plus more
Just tight enough that there is no deflection on the crank arms, but no tighter. I spin it pretty good first to make sure bearings are fully seated. Easiest to adjust with just the crank side installed (leave the other crank arm off). Makes it easier to get your tools to the lock ring.