71.

引擎
型號: NH50
Original Size: 40x39.3 (49cc)

Big bore Size: 46x39.3 (65.3cc)

72.

引擎
型號: FILLY 50
Original Size: 39x41.4 (49cc)

Big bore Size: 47x41.4 (71.8cc)

73.

引擎
型號: KIWI70
Original Size: 47x41.4 (71.8cc)

Big bore Size: 51.5x41.4 (86.2cc)

74.

引擎
型號: ZING150
Original Size: 62x49.5 (149cc)

Big bore Size: 65x49.5 (164.2cc)

75.

引擎
型號: KIWI100
Original Size: 50x51.8 (101.7cc)

Big bore Size: 55x51.8 (123cc)

76.

引擎
型號: P103
Original Size: 40x39.2 (49cc)

Big bore Size: 46x39.2 (65cc)

77.

引擎
型號: SV80
Original Size: 48x44 (79.6cc)

Big bore Size: 54x44 (100.7cc)

78.

引擎
型號: LUDIX50
Original Size: 40x39.2 (49cc)

Big bore Size: 47x39.2 (68cc)

79.

引擎
型號: SPEEDFIRE100
Original Size: 50.6x49.7 (99.9cc)

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

80.

引擎
型號: X P'ro100
Original Size: 50x51.5 (101cc)

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