OK for racing!
107mm 3 shoe centrifugal clutch, featuring high friction anti fade compound and adjustable spring tension. Comes with two sets of springs, and the preload tension (affects clutch meet point) can be adjusted using an allen key.
To suit 107mm clutches (inside diameter of the clutch bell) includes:
Piaggio 2 stroke 50cc, '98 on
Yamaha horizontal 2 stroke '98 on, plus some earlier models with 107mm clutch
Gilera 2 stroke 50cc, '98 on
This is a racing type clutch so it is light, strong and engages later to suit higher revving engines.