Some specs are hard-wired into the old Popular Mods thread are remain available. This particular section needs updating but that thread is no longer managed.
Making it confusing, early bikes have a different nut size and torque versus later bikes. Yamaha messed-up the service manuals. Plus, subsequent to the Popular Mods entry, it was found that 110 pounds was best for early bikes. And later bikes too.
Helpful info mostly regarding early bikes:
UNRELATED TO THIS THREAD in the url above inside the old service manual notes document the Bosch 3323 oil filter was redesigned and the newest version does not seal well on the Warrior.
Back to this topic:
Drive Pulley: (see also 'Final Drive') (see also 'Belt')
Drive Pulley - Front: (see also 'fasteners')
Drive Pulley - Front - 2002-2010 OEM: 5PX-17651-00-00 (32-tooth steel pulley)
Drive Pulley - Front - 2002-2005: Special Nut with Tabbed Washer (use 36mm wrench, 125 Ft/Lbs).(added: 110 Ft/Lbs is best)
Drive Pulley - Front - 2006-2010: Dimpled-Locknut with Conical Washer (use 30mm wrench, 100Ft/Lbs).(Added: Many find 110Ft/Lbs is best)
Drive Pulley - Front - 2006-2010: Dimpled-Locknut's back mating surface is 22.37mm ID, 29.84mm OD.
Drive Pulley - Front - 2006-2010: Conical washer is directional, 22.35mm ID, 35mm OD, 4mm thick.
Drive Pulley - Front - 2002-2006 - Slider: (white keeper-rollers): 2 each Part# 4WM-17653-00-00