TAV2 Torq-A-Verter - 40 - 10 - 1"

Replaces centrifugal clutch system and boosts performance. Clutch is asymmetric-type torque converter system with asymmetric sheave faces; this makes it possible to force the belt to a diameter within the drive clutch (at high rpm) that exceeds the usual 1:1 drive ratio. TAV2 system can actually attain a .90:1 ratio (10% overdrive). Movable sheave face is 18°, stationary sheave is 2.5°, for a collective angle of 20.5°. For use with 2- and 4-cycle engines up to 8hp.