'75 Triumph T-160 primary drive bearing alignment

Checking transmission input shaft and primary drive damper bearing bore alignment

None of the inner bearing, outer bearing, or transmission input shaft were found to align with each other within an acceptable tolerance. The tip-off had been abnormal spider thrust bearing race wear.

finding new center in cover

finding new seal center in inner case, top view

finding new seal center in inner case, side view

boring new seal center in inner case

seal with sleeve pressed on

performance upgrades

swingarm bearing conversion

motorcycle