YAMAHA:

Original Size: 70x75.9 (292cc) Big bore Size: 75x75.9 (335cc)

Original Size: 70x75.9 (292cc) Big bore Size: 82x75.9 (400cc)

Original Size: 60x44.1 (249.4cc) Big bore Size: 66x44.1 (301.8cc)

Original Size: 68x44.1 (320cc) Big bore Size: 71x44.1 (349cc)

Original Size: 68x73 (530cc) Big bore Size: 70x73 (562cc)

Original Size: 58x58.6 (155cc) Big bore Size: 63x58.6 (183cc)

Original Size: 52x58.6 (124cc) Big bore Size: 61x58.6 (171cc)

Original Size: 52x47.6 (101cc) Big bore Size: 56x47.6 (117cc)

Original Size: 53.7x54.8 (124cc) Big bore Size: 61x54.8 (160cc)

Original Size: 52.4x 57.8(124.6cc) Big bore Size: 59x57.8(158cc)

Original Size: 40x 39.2(50cc) Big bore Size: 46x39.2(65cc)

Original Size: 51.5x 60(124.9cc) Big bore Size: 56x60(147.8cc)

Original Size: 49 x 54(101cc) Big bore Size: 55 x 54(128cc)

Original Size: 50 x 42(82cc) Big bore Size: 54 x 42(96cc)

Original Size: 49x54 (101cc) Big bore Size: 55x54 (128cc)

Original Size: 52.4x57.8 (124.6cc) Big bore Size: 59x57.8 (158cc)

Original Size: 52x47.6 (101cc) Big bore Size: 56x47.6 (117cc)

Original Size: 40x39.2 (50cc) Big bore Size: 47x39.2 (67.9cc)

Original Size: 50x42 (82cc) Big bore Size: 54x42 (96cc)

Original Size: 56x54 (133cc) Big bore Size: 62x54 (163cc)

Original Size: 69x66.8 (249cc) Big bore Size: 74x66.8 (287cc)

Original Size: 38x43.5 (50cc) Big bore Size: 47x43.5 (75cc)

Original Size: 52x57.9 (123cc) Big bore Size: 59x57.9 (158cc)

Original Size: 52x57.9 (123cc) Big bore Size: 59x57.9 (158cc)

Original Size: 49x54 (101cc) Big bore Size: 55x54 (128cc)

Original Size: 49x54 (101cc) Big bore Size: 55x54 (128cc)

• Original Size: 51.5x60 (124cc) • Big bore Size: 56x60 (147.8cc)

(O)51X54(110.3cc) (B)56x54(133CC)

Original Size: 52.4x57.8 (124.8cc) Big bore Size: 61x57.8 (169cc)

Original Size: 58x56.5 (149cc) Big bore Size: 66x56.5 (193cc)

Original Size: 54x58.6 (134cc) Big bore Size: 65x58.6 (194.5cc)

Original Size: 50x57.9 (113.7cc) Big bore Size: 58.5x57.9 (155.6cc)