Laser pointer mounts in the V-groove of the idler/tensioner pulley. Place the target in the V-groove of the prop or motor pulley and adjust them on the shaft until the red dot falls on the target’s yellow indicator. Designed to be used in A-belt pulley systems.
Recommended distance between laser and target is 3′ or less. Margin of error at 3′ distance is +/- 0.02″.
