81.

Engine Parts
Model: SPEEDFIRE100
Original Size: 50.6x49.7 (99.9cc)

Big bore Size: 54x49.7 (113.8cc)

82.

Engine Parts
Model: X P'ro100
Original Size: 50x51.5 (101cc)

Big bore Size: 55x51.5 (122cc)

83.

Engine Parts
Model: SY150
Original Size: 62x49.6 (149cc)

Big bore Size: 65x49.6 (165cc)

84.

Engine Parts
Model: VINO 50 L/C
Original Size: 38x43.5 (50cc)

Big bore Size: 47x43.5 (75cc)

85.

Engine Parts
Model: CYGNUS-X125 A/C
Original Size: 52x57.9 (123cc)

Big bore Size: 59x57.9 (158cc)

86.

Engine Parts
Model: CYGNUS-X125 L/C
Original Size: 52x57.9 (123cc)

Big bore Size: 59x57.9 (158cc)

87.

Engine Parts
Model: RS100 A/C
Original Size: 49x54 (101cc)

Big bore Size: 55x54 (128cc)

88.

Engine Parts
Model: RS100 L/C
Original Size: 49x54 (101cc)

Big bore Size: 55x54 (128cc)

89.

Engine Parts
Model: DERBI SENDA 2006
Original Size: 39.88x40 (49.9cc)

Big bore Size: 47x40 (69.3cc)

90.

Engine Parts
Model: PIAGGIO S1
Original Size: 38.2x43 (49cc)

Big bore Size: 41x43 (56.7cc)