Clutch gear set 24-72 Piaggio Ape Vespa 50 Tuning

The simple method is to change only the primary gear, but this is less effective. The ratio of this set is 24-72.

Piaggio Ape 50
TL1T TL2T TL3T TL4T TL5T TL6T ZAPC80 ZAPC81 FL FL2 FL3

PIAGGIO    VESPA 50   50   1963/1983    V5A1T
PIAGGIO    VESPA 50   50   1963/1983    V5SA1
PIAGGIO    VESPA 50   50   1967/1971    VA51T
PIAGGIO    VESPA 50 L   50   1966/1970    V5A1T
PIAGGIO    VESPA 50 REVIVAL   50   1991/1991    V5R1T
PIAGGIO    VESPA 50 S   50   1968/1982    V5SA1T
PIAGGIO    VESPA 50 SPECIAL   50   1970/1972    V5A2T
PIAGGIO    VESPA 50 SPECIAL   50   1972/1975    V5B1T
PIAGGIO    VESPA 50 SPECIAL   50   1975/1983    V5B3T
PIAGGIO    VESPA 50 SPECIAL ELESTART   50   1970/1972    V5A3T
PIAGGIO    VESPA 50 SPECIAL ELESTART   50   1972/1975    V5B2T
PIAGGIO    VESPA 50 SPECIAL ELESTART   50   1975/1976    V5B4T
PIAGGIO    VESPA PK   50   1982/1984
PIAGGIO    VESPA PK 50   50   1982/1985    V5X1T
PIAGGIO    VESPA PK 50   50   1984/1989    VA51T