Precision-engineered Stage6 shim washers for Minarelli-based variators—13 mm inner diameter, 18.8 mm outer diameter, ideal for fine-tuning variator boss height and clutch engagement timing.

Description

These tiny washers can have a dramatic effect on how your scooter performs.

In general, lengthening of the boss will give you better acceleration because the belt will sit lower in the front pulley.

A shorter boss will usually give you more top end speed.

Center hole measures 13mm Outer dimension is 18.8mm

Explore more from our collection.